Would you expect MnO4-(aq) to react with NaI in acidic or in a basic solution?

Answers

Answer 1

MnO4-(aq) would react with NaI in a basic solution. In an acidic solution, MnO4-(aq) will not react with NaI.

What is acidic and basic solution?

Acidic solution has a higher concentration of hydrogen ions, greater than that of pure water. Basic solution has a low H +, less than that of pure water.

The pH scale is used to indicate how acidic or basic solution is. It ranges from 0 to 14, where 7 is taken neutral. Anything less than 7 is classified as acid and above 7 is classified as base. pH scale is a logarithmic scale in which a substance with pH of 2 is 10 times more acidic than pH of 3.

To know more about acidic and basic solution, refer

https://brainly.com/question/27915098

#SPJ4


Related Questions

help plssss!!!! i need this done by tonight!!!!

Answers

1. Using your knowledge of the Brønsted-Lowry theory of acids and bases, complete the following acid-base reactions and indicate each conjugate acid-base pair.

i. OH + HPO₂ → H₂O + H₂PO₄²⁻

The conjugate acid-base pair is OH/H₂O, HPO₂²⁻/H₂PO₄²⁻

2) Identify the conjugate acid-base pairs in the following reactions. Write A, B, CA, and CB below the appropriate substance.

i. HCO₃⁻ + NH₃ → NH₄⁺ + CO₃²⁻

The conjugate acid-base pair is HCO₃⁻/CO₃²⁻, NH₃/NH₄⁺

ii. HCI + H₂O → H₃O⁺ + Cl⁻

The conjugate acid-base pair is H₂O/OH⁻, HCI/Cl⁻, H₃O⁺/H₂O, Cl⁻/HCI

iii. CH₃COOH + H₂O → H₃O⁺ + CH₃COO⁻

The conjugate acid-base pair is CH₃COOH/CH₃COO⁻, H₂O/OH⁻, H₃O⁺/H₂O

iv. HOCI + NH₃ → NH₄⁺ + ClO⁻

The conjugate acid-base pair is HOCI/ClO⁻, NH₃/NH₄⁺

3. Write the formula for conjugate bases formed by the following acids.

i. HPO₄²⁻ → PO₄³⁻

ii. H₂O → OH⁻

iii. CN⁻ → HCN

iv. HOOC-COO⁻ → HOOCCOOH

4) Write the formula for conjugate acids formed by each of the following bases.

i. H₃O⁺ → H₂O

ii. HCN → H₂CN⁺

iii. NH₃ → NH₄⁺

5. Classify each of the following pH values as acidic, basic, or neutral.

10 - neutral1.5 - acidic7 - neutral7.5 - basic13 - basic1 - acidic

Learn more about Conjugate base pairs here:

https://brainly.com/question/13336099

#SPJ1

please help me!!!!!! Polonium-290 has a half-life of 57.6 years. If you start with a 10-gram sample of polonium-290, how much will be left after 172.8 years
^^^MUST SHOW WORK

Answers

It is significant to remember that the order of a reaction affects how a reaction's half-life is calculated. It is commonly expressed in seconds and is represented by the sign "t 1/2." The amount which is left after 172.8 years is 0.8 g.

The time it takes for the concentration of a particular reactant to reach 50% of its initial concentration, or the time it takes for the reactant concentration to reach half of its initial value, is known as the half-life of a chemical reaction.

To calculate the remaining amount:

N₀ / N = 2ⁿ

n = time / t1/2

172.8 / 57.6 = 3

N = 2ⁿ / N₀

N = 2³ / 10 = 0.8 g

To know more about half-life, visit;

https://brainly.com/question/31821452

#SPJ1

The Ksp for LaF3 is 2 x 10^-19. What is the solubility of LaF3 in water in moles per liter?

Answers

The solubility of[tex]LaF_3[/tex] in water is 3.04 x 10^-6 mol/L.

The solubility of [tex]LaF_3[/tex] in water can be determined using the Ksp expression:

[tex]Ksp = [La^{3+}][F^-]^3[/tex]

Where [tex][La^{3+}][/tex]and [tex][F^-][/tex] are the molar concentrations of the [tex]La^{3+}[/tex] and [tex]F^-[/tex] ions in the solution.

Since each [tex]LaF_3[/tex] formula unit dissociates into one [tex]La^{3+}[/tex] ion and three [tex]F^-[/tex] ions, the molar solubility of [tex]LaF_3[/tex] can be represented as x. Thus, the molar concentrations of [tex]La^{3+}[/tex] and [tex]F^-[/tex] ions in the solution can be written as x and 3x, respectively.

Substituting these values into the Ksp expression gives:

Ksp = x*(3x)^3 = 27x^4

Now, we can solve for x:

x = (Ksp/27)^(1/4)

= (2 x 10^-19 / 27)^(1/4)

= 3.04 x 10^-6 mol/L

For more question on solubility click on

https://brainly.com/question/24057916

#SPJ11

AUDITORS' REPORT & PROFESSIONAL BODIES PART B B1. How would anyone know that the published financial statements of Shoprite and Spar LTD reflect the real results for the financial year? B2. As you have studied the audit reports of the two companies, in which company would you buy shares and why? Quote page numbers / paragraphs, etc. to prove your answer or as evidence of research conducted. [24 marks] " B3. Do the auditors give an absolute assurance that everything is accurate and can be relied upon? Respond by quoting a line/statement in the report to substantiate your answer B4. Conduct further research about the Professional bodies indicated in brackets (SAICA, SAIPA and IRBA) and answer the questions that follow: What does SAICA, SAIPA and IRBA stand for? 4.1 4.3 4.2 What are the Roles and Objectives of SAICA, SAIPA AND IRBA? Explain TWO for each one of them. (2) What would be their Specific and General Actions that they would take in case their members are found guilty of unprofessional conduct / misconduct. B5. Give THREE types of Audit evidence that the auditors of SPAR Group Ltd could have used to arrive at their opinion. (3) (2) (3) (6) (5) (3)​

Answers

SAICA: South African Institute of Chartered Accountants

SAIPA: South African Institute of Professional Accountants

IRBA: Independent Regulatory Board for Auditors

B1. It is challenging for anybody to know whether the distributed budget summaries of Shoprite and Fight LTD mirror the genuine outcomes for the monetary year.

The reviewers' reports give some affirmation that the budget summaries are reasonably introduced, however they don't ensure the exactness or culmination of the data.

The inspectors' perspective depends on their assessment of the fiscal summaries and their evaluation of the bookkeeping approaches and gauges utilized by the organizations. Nonetheless, there is as yet a gamble of material misquote because of misrepresentation or mistake.

B2. In light of the review reports, it is hard to figure out which organization is a superior speculation. The two organizations got unfit suppositions, it are decently introduced to demonstrate that their fiscal reports.

In any case, the review reports truly do feature a few dangers and vulnerabilities that could influence the organizations' monetary exhibition. For instance, Fight's review report makes reference to a gamble connected with the effect of the Coronavirus pandemic on the organization's tasks and monetary outcomes.

Financial backers would have to lead extra examination and investigation to figure out which organization is a superior venture.

B3. No, the examiners don't give an outright affirmation that everything is precise and can be depended upon. In both review reports, the evaluators express that their viewpoint depends on their assessment of the budget summaries and their appraisal of the bookkeeping approaches and gauges utilized by the organizations.

In any case, they likewise note that there is a gamble of material misquote because of extortion or blunder, and that their assessment may not recognize every material error.

B4. SAICA represents the South African Organization of Contracted Bookkeepers, SAIPA represents the South African Foundation of Expert Bookkeepers, and IRBA represents the Autonomous Administrative Board for Examiners. The jobs and targets of these bodies are as per the following:

SAICA:

Jobs and targets:

Controlling the bookkeeping calling in South Africa

Setting moral and expert norms for bookkeepers

Giving instruction, preparing, and improvement for bookkeepers

Advancing the interests of the bookkeeping calling

Explicit and general activities in the event of amateurish direct:

Exploring grumblings of wrongdoing

Restraining individuals who have disregarded moral or expert principles

Suspending or disavowing the enrollment of individuals who are viewed as at legitimate fault for serious unfortunate behavior

SAIPA:

Jobs and targets:

Controlling and supporting the expert bookkeeping calling in South Africa

Setting moral and expert norms for bookkeepers

Giving schooling, preparing, and advancement for bookkeepers

Advancing the interests of the bookkeeping calling

Explicit and general activities in the event of amateurish direct:

Researching protests of unfortunate behavior

Restraining individuals who have disregarded moral or expert principles

Giving direction and backing to individuals who need help to agree with norms.

IRBA:

Jobs and goals:

Managing reviewers and the review calling in South Africa

Setting moral and expert norms for evaluators

Leading quality confirmation surveys of review firms

Advancing public trust in the review calling

Explicit and general activities in the event of amateurish direct:

Exploring grumblings of wrongdoing

Restraining evaluators who have abused moral or expert guidelines

Giving direction and backing to inspectors who need help to agree with principles

B5. Three kinds of review proof that the examiners of Fight Gathering Ltd might have used to show up at their perspective are:

Affirmation of balances: the inspectors might have mentioned affirmations from Fight's clients and providers to confirm the precision of the records receivable and creditor liabilities adjusts.

Perception: the reviewers might have noticed Fight's stock build up to confirm the presence and valuation of stock.

Scientific methodology: the examiners might have carried out logical systems, like pattern examination and proportion investigation, to distinguish any uncommon changes or connections in the monetary information.

To learn more about Audits, refer:

https://brainly.com/question/13769200

#SPJ1

What is the energy associated with the formation of 2.55 g of 4He by the fusion of 3H and 1H?

Substance Mass (u)
4He 4.00260
3H 3.01605
1H 1.00783

Answers

The energy associated with the formation of 2.55 g of 4He by the fusion of 3H and 1H is approximately -[tex]2.57 * 10^{-12 }.[/tex] Joules

How do we calculate?

The balanced nuclear equation for the fusion of 3H and 1H to form 4He is shown below:

3H + 1H → 4He

We find that the difference in mass between the reactants and products is: (3 × 3.01605 u) + (1 × 1.00783 u) - (1 × 4.00260 u) = -0.01854 u

Einstein's energy equation is E = mc².

E = (-0.01854 u) × (1.66054 × 10^-27 kg/u) × (2.998 × 10^8 m/s)^2

E = [tex]-4.03 * 10^{-12}[/tex] J

The number of reactions  =  2.55 g / 4.00260 g/mol = 0.637 mol

The total energy is =  [tex]-4.03 * {10^-12} J[/tex]× 0.637 mol

total energy = [tex]2.57 * 10^{-12} J[/tex]

Learn more about Einstein's energy equation at:

https://brainly.com/question/27158464

#SPJ1

Does anyone know the answer to this question

Answers

Answer:

A

Explanation:

If Hydrogen is H₂  There will be two silver

and is Carbon is C There will only be one gray

and if Oxygen is O₃ There will be three red

The axis of symmetry of a parabola is x = -2. It crosses the x axis at (-5,0). What is the coordinate of the other x-intercept?

Answers

The coordinate of the other x-intercept of a parabola with axis of symmetry x = -2 and crossing the x-axis at (-5,0) is (-1,0).

We know the vertex of the parabola in the example above is at the location (-2, y), where y is an integer. This is because the vertical line that passes through the vertex of a parabola is its axis of symmetry.

Since the parabola intersects the x-axis at (-5,0), we can infer that this location is a parabola's root. Given that the parabola is symmetric, a second root that is located at the same distance from the axis of symmetry must also exist.

The other root must be 3 units to the right of the axis of symmetry because the distance between the axis of symmetry and (-5,0) is 3 units to the left. The opposite x-intercept is therefore at (1, 0) or (-2 + 3, 0).

To know more about parabola, visit,

https://brainly.com/question/64712

#SPJ1

Attached below! I need help for part B

Answers

The heat capacity of a system is defined as the amount of heat required to raise the temperature through 1°C. It is denoted by c. It is an extensive property. The mass of steel bar is 47.93 g.

Here the amount of heat taken by the steel rod is equal to the amount of heat lost by water. The heat required to raise the temperature of the sample of mass 'm' having specific heat 'c' is:

Q = c (T - T₀) m

Cs (Ts - T0s) ms = -Cw (Tw - T0w) mw

ms = - Cw (Tw - T0w) mw / Cs (Ts - T0s)

Mass of water = 110 mL × 1.00 g / mL = 110.00 g

ms = -4.18 J / g°C × (21 .10 - 22.00) 110.00 g / 0.452 J / g°C (21.10 - 2.00) = 47.93 g

To know more about heat capacity, visit;

https://brainly.com/question/29766819

#SPJ1

Gaseous butane (CH₂(CH₂)₂CH₂) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂) and gaseous water (H₂O). Suppose 48. g of butane is mixed with 54.6 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.​

Answers

The maximum mass of carbon dioxide that could be produced by the chemical reaction is 46.2 g

How do i determine the mass of of carbon dioxide produced?

First, we shall determine the limiting reactant. This obtained as follow

2CH₃(CH₂)₂CH₃ + 13O₂ -> 8CO₂ + 10H₂O

Molar mass of CH₃(CH₂)₂CH₃ = 58 g/molMass of CH₃(CH₂)₂CH₃ from the balanced equation = 2 × 58 = 116 g Molar mass of O₂ = 32 g/molMass of O₂ from the balanced equation = 13 × 32 = 416 g

From the balanced equation above,

116 g of CH₃(CH₂)₂CH₃ reacted with 416 g of O₂

Therefore,

48 g of CH₃(CH₂)₂CH₃ will react with = (48 × 416) / 116 = 172.14 g of O₂

From the above calculation, we can see that a higher amount (i.e 172.14 g) of O₂ than what was given (i.e 54.6 g) is needed to react with 48 g of CH₃(CH₂)₂CH₃

Thus, the limiting reactant is O₂

Finally, we shall determine maximum mass of carbon dioxide, CO₂ produced. Details below:

2CH₃(CH₂)₂CH₃ + 13O₂ -> 8CO₂ + 10H₂O

Molar mass of O₂ = 32 g/molMass of O₂ from the balanced equation = 13 × 32 = 416 gMolar mass of CO₂ = 44 g/molMass of CO₂ from the balanced equation = 8 × 44 = 352 g

From the balanced equation above,

416 g of O₂ reacted to produce 352 g of CO₂

Therefore,

54.6 g of O₂ will react to produce = (54.6 × 352) / 416 = 46.2 g of CO₂

Thus, the maximum mass of carbon dioxide, CO₂ produced is 46.2 g

Learn more about mass produced:

https://brainly.com/question/9526265

#SPJ1

Part C
Close the simulation window for carbon dioxide and return to the Cool Molecules Explore page.
Next, click C and H in the periodic table and repeat the process for methane (CH₂). In the table below, record the names of its vibrational modes
and describe the vibration of the molecule in each mode. Also record the number of unique possible states for each mode.

Vibration Mode
Al stretch
E bend
T2 stretch
T2 bend

Number of States in the:
Mode


Description:

Answers

The vibrational modes and unique possible states for each mode are detailed in the table below.

What is the vibrational mode of a molecule?

A vibrational mode of a molecule refers to a specific way in which the atoms inside a molecule can move relative to each other. Molecules are made up of atoms that are connected to each other by chemical bonds, and these bonds act like springs that can vibrate.

When a molecule absorbs energy, it can cause the bonds to stretch, bend, or twist in specific ways, creating different vibrational modes. The vibrational modes of a molecule can provide important information about its structure and chemical properties.

Find out more on vibrational modes here: https://brainly.com/question/30936396

#SPJ1

An ideal gas (which is is a hypothetical gas that conforms to the laws governing gas behavior) confined to a container with a massless piston at the top. (Figure 2) A massless wire is attached to the piston. When an external pressure of 2.00 atm
is applied to the wire, the gas compresses from 4.40 to 2.20 L. When the external pressure is increased to 2.50 atm , the gas further compresses from 2.20 to 1.76 L .

In a separate experiment with the same initial conditions, a pressure of 2.50 atm
was applied to the ideal gas, decreasing its volume from 4.40 to 1.76 L
in one step.

If the final temperature was the same for both processes, what is the difference between q for the two-step process and q for the one-step process in joules?

Answers

The difference between q for the two-step process and q for the one-step process is 220.38 joules.

To solve this problem, we use the first law of thermodynamics, which states that change in internal energy (ΔU) of system will be equal to the heat (q) added or removed from the system, minus the work (w) done by or on the system;

[tex]Δ_{U}[/tex] = q - w

For an ideal gas, the internal energy depends only on the temperature, so [tex]Δ_{U}[/tex] is zero if the final temperature is the same for both processes. Therefore, we can set [tex]Δ_{U}[/tex] to zero and solve for the difference in heat (q) between the two processes;

q(two-step) - q(one-step) = w(two-step) - w(one-step)

The work done by or on the gas can be calculated using the equation;

w = -P[tex]Δ_{V}[/tex]

where P is the external pressure, and [tex]Δ_{U}[/tex] is the change in volume. The negative sign indicates that work is done on the gas when it is compressed ([tex]Δ_{U}[/tex] < 0), and work is done by the gas when it expands ([tex]Δ_{U}[/tex] > 0).

For the two-step process, we can calculate the work done in two stages;

w(two-step) = -2.00 atm × (4.40 L - 2.20 L) - 2.50 atm × (2.20 L - 1.76 L)

= -3.32 atm L - 0.605 atm L

= -3.925 atm L

For the one-step process, we can calculate the work done in one step;

w(one-step) = -2.50 atm × (4.40 L - 1.76 L)

= -6.10 atm L

Substituting these values into the equation for the difference in heat, we get;

q(two-step) - q(one-step) = -3.925 atm L - (-6.10 atm L)

= 2.175 atm L

To convert this to joules, we need to multiply by the conversion factor for atm L to joules;

1 atm L = 101.3 J

Therefore; q(two-step) - q(one-step) = 2.175 atm L × 101.3 J/atm L

= 220.38 J

Therefore, the difference in heat between the two processes is 220.38 joules.

To know more about  first law of thermodynamics here

https://brainly.com/question/3808473

#SPJ1

Background: At present, the debate on what will provide secure and sustainable
energy for the United States is of great concern to Americans. How the United
States uses energy is largely determined by policies set by National and State
Politicians. For this extension topic, you should create a letter to a government
official (governor, senator, president, etc.) that clearly states your
claim/conclusion about the best options for Energy Production. You should attempt
to convince your reader of the claim by using evidence from this activity as well as
additional research that you complete. (20 pts)

Answers

The debate on what will provide secure and sustainable energy for the United States is of great concern to Americans, and the policies set by National and State Politicians play a crucial role in determining how the United States uses energy.

In this context, a letter can be written to a government official such as a governor, senator, or president, to clearly state the claim/conclusion about the best options for energy production.

Evidence from this activity, as well as additional research, can be used to persuade the reader of the claim.

Thus by doing so, it can be ensured that energy policies are developed with the best options for energy production in mind, leading to a more secure and sustainable future for the United States.

For more details regarding research, visit:

https://brainly.com/question/18723483

#SPJ1

2H+O2 → 2H₂O
Three grams of hydrogen and 24 grams of oxygen were completely reacted to form
water. Which of the following is the amount of water produced?

Answers

27 grams of water are produced from the given amounts of hydrogen and oxygen.

To determine the amount of water produced from the reaction between hydrogen and oxygen, we need to compare the amounts of reactants (hydrogen and oxygen) to the stoichiometry of the balanced chemical equation.

The balanced equation is:

2H₂ + O₂ → 2H₂O

The molar mass of hydrogen (H₂) is 2 g/mol, and the molar mass of oxygen (O₂) is 32 g/mol.

Given:

Mass of hydrogen = 3 grams

Mass of oxygen = 24 grams

We can calculate the number of moles of each reactant by dividing their respective masses by their molar masses:

Number of moles of hydrogen = 3 grams / 2 g/mol = 1.5 moles

Number of moles of oxygen = 24 grams / 32 g/mol = 0.75 moles

According to the balanced equation, the ratio of hydrogen to water is 2:2, and the ratio of oxygen to water is 1:2. Therefore, the limiting reactant in this reaction is oxygen, as it is consumed in a smaller quantity compared to the stoichiometry of the reaction.

From the reaction, we can see that 1 mole of oxygen produces 2 moles of water. Thus, the number of moles of water produced is twice the number of moles of oxygen:

Number of moles of water = 2 * 0.75 moles = 1.5 moles

To determine the amount of water produced in grams, we multiply the number of moles by the molar mass of water (H₂O), which is approximately 18 g/mol:

Mass of water produced = 1.5 moles * 18 g/mol = 27 grams

for more such questions on water

https://brainly.com/question/19491767

#SPJ11

3: Given 12.3 grams of NH3, how many moles of N₂ were needed?​

Answers

0.361 moles of N₂ were required to produce 12.3 g of NH₃, using the balanced chemical equation N₂ + 3H₂ → 2NH₃.

The balanced chemical equation for the reaction is N₂ + 3H₂ → 2NH₃. We can use the balanced equation and the molar mass of NH₃ to calculate the number of moles of N₂ required to produce 12.3 g of NH₃,

1 mol NH₃ = 2 mol N₂ (from the balanced equation)

molar mass of NH₃ = 17.03 g/mol

moles of NH₃ = 12.3 g / 17.03 g/mol

moles of NH₃ = 0.722 mol

moles of N₂ = (0.722 mol NH₃) / 2

moles of N₂ = 0.361 mol

Therefore, 0.361 moles of N₂ were needed to produce 12.3 grams of NH₃.

To know more about moles, visit,

https://brainly.com/question/29367909

#SPJ1

Complete question - For the reaction, N₂ + 3H₂ → 2NH₃. Given 12.3 grams of NH3, how many moles of N₂ were needed?​

If you heat 400.0 grams of water in a pot on the stove from 20ºC to 99°C, how much heat did the water absorb?​

Answers

The amount of heat absorbed by 400 grams of water from 20°C to 99°C is 132,214.4 J.

How to calculate heat?

The amount of heat absorbed or released by a substance can be calculated using the following equation;

Q = mc∆T

Where;

Q = quantity of heat absorbed or releasedm = mass c = specific heat capacity∆T = change in temperature

According to this question, 400.0 grams of water is heated in a pot on the stove from 20ºC to 99°C. The amount of heat absorbed can be calculated as follows:

Q = 400 × 4.184 × {99 - 20}

Q = 132,214.4 J

Learn more about heat at: https://brainly.com/question/26322639

#SPJ1

if two magnets are placed on a table, which statement describes a situation with the most attraction between the two magnets

Answers

The north pole of one magnet is near the South pole of the other magnet.

The ends of a magnet are called its poles. One end is called the north pole, the other is called the south pole. If you line up two magnets so that the south pole of one faces the north pole of the other, the magnets will pull toward each other.

B. Answer the question.
How is living in space different from living on Earth?

Answers

Answer:

The three major differences are: atmosphere (vacuum in space), radiation (high level of dangerous particles), and gravity (weightlessness in space). The first difference between the Earth and space is the atmosphere.Jan

The only significant differences from living on Earth are that they operate in the confined space of the Space Shuttle orbiter cabin and that they, and all objects inside the cabin, float.

Explanation:

mark branliest

What is the change in temperature (AT) when a 25 g block of aluminum absorbs 10,000 J of heat?

Answers

The change in temperature (ΔT) when a 25 g block of aluminum absorbs 10,000 J of heat is approximately 44.32°C.

To calculate the change in temperature (T) that occurs when an aluminium block absorbs a certain quantity of heat, we must utilise the specific heat capacity of aluminium (c) and the equation:

Q = mcΔT

Where Q is the heat absorbed or released, m is the substance's mass, c is the substance's specific heat capacity, and T is the temperature change.

The specific heat capacity of aluminium is approximately 0.897 J/g°C.

Given that the aluminium block weighs 25 g and absorbs 10,000 J of heat, we can plug the following values into the equation:

(25 g) * (0.897 J/g°C) * T = 10,000 J

We can now solve for T:

T = 10,000 joules / [(25 g) * (0.897 J/g°C)]

ΔT ≈ 44.32°C

for more questions on temperature

https://brainly.com/question/4735135

#SPJ11

25g of NH3 is mixed with 4 mole of O2 is the given reaction
a.which is the limiting reaction
b.what mass of no is formed
c.what mass of h2o is formed

Answers

A) limiting reactant

B) 44.1 g

C) 39.6 g

how to get N-methyl-4-(p-tolyldiazenyl)aniline from benzene and toluene

Answers

The synthesis of N-methyl-4-(p-tolyldiazenyl)aniline can be accomplished in a few steps, as outlined below:

Step 1: Nitration of toluene

Step 2: Reduction of p-nitrotoluene

Step 3: Diazotization of p-toluidine

Step 4: Coupling with N-methylaniline

Toluene is first nitrated to form p-nitrotoluene. This can be done by treating toluene with a mixture of nitric acid and sulfuric acid under controlled conditions. The reaction can be represented as follows:

Toluene + HNO3 → p-nitrotoluene + H2O

The p-nitrotoluene is then reduced to form p-toluidine, using a reducing agent such as iron and hydrochloric acid. The reaction can be represented as follows:

p-nitrotoluene + 6HCl + Fe → p-toluidine + 3H2O + FeCl3

The p-toluidine is then diazotized using nitrous acid to form the diazonium salt. The reaction can be represented as follows:

p-toluidine + HNO2 → p-tolyldiazonium chloride + H2O

The diazonium salt is then coupled with N-methylaniline to form N-methyl-4-(p-tolyldiazenyl)aniline. The reaction can be represented as follows:

p-tolyldiazonium chloride + N-methylaniline → N-methyl-4-(p-tolyldiazenyl)aniline + HCl

Overall reaction:

Toluene + HNO3 → p-nitrotoluene + H2O

p-nitrotoluene + 6HCl + Fe → p-toluidine + 3H2O + FeCl3

p-toluidine + HNO2 → p-tolyldiazonium chloride + H2O

p-tolyldiazonium chloride + N-methylaniline → N-methyl-4-(p-tolyldiazenyl)aniline + HCl

It is important to note that these reactions require careful handling and should only be attempted by individuals with proper training and experience in organic chemistry.

For more question on synthesis click on

https://brainly.com/question/30332351

#SPJ11

The total pressure of gas collected over water is 770.0 mmHg and the temperature is 23.0 degrees Celsius what is the pressure of hydrogen gas formed in mmHg?

Answers

To calculate the pressure of hydrogen gas formed in mmHg, we need to apply the concept of Dalton's Law of Partial Pressures, which states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of each individual gas in the mixture.

Given that the total pressure of gas collected over water is 770.0 mmHg, we can assume that this gas mixture contains water vapor and hydrogen gas. We need to determine the partial pressure of hydrogen gas in the mixture.

First, we need to determine the vapor pressure of water at the given temperature of 23.0 degrees Celsius. According to a vapor pressure table, the vapor pressure of water at 23.0 degrees Celsius is 21.1 mmHg.

Next, we can use Dalton's Law of Partial Pressures to calculate the partial pressure of hydrogen gas:

Total pressure = Partial pressure of hydrogen gas + Partial pressure of water vapor

770.0 mmHg = Partial pressure of hydrogen gas + 21.1 mmHg

Partial pressure of hydrogen gas = 770.0 mmHg - 21.1 mmHg = 748.9 mmHg

Therefore, the pressure of hydrogen gas formed in the mixture is 748.9 mmHg.

Suppose you were doing a titration where you start out with a basic solution of around 8.0 and you expect to keep adding an acid until the mixture has a pH of 3.0. Based on the indicator chart which pH indicator would be the best one to use. Describe the color change that would be observed

Answers

Based on the information regarding the titration, as the pH of the solution decreases, phenolphthalein will change color to pink.

How to explain the color change

The best indicator to use for a titration where you start out with a basic solution of around 8.0 and you expect to keep adding an acid until the mixture has a pH of 3.0 is phenolphthalein.

Phenolphthalein is an indicator that changes color in the pH range of 8.3 to 10.0. In basic solutions, phenolphthalein is colorless. As the pH of the solution decreases, phenolphthalein will change color to pink. The color change will be observed at the equivalence point of the titration, which is the point at which the amount of acid added is equal to the amount of base present. At the equivalence point, the pH of the solution will be 7.0.

Learn more about titration on

https://brainly.com/question/186765

#SPJ1

If evaporation causes surface water to be salty, where would you expect ocean water to be very
dense?

Answers

One would expect to find the densest ocean water at the bottom of the ocean, where the water is coldest and under the greatest pressure.

Ocean water is densest at the bottom, where it is coldest and under the greatest pressure. The salt content of seawater does affect its density, but it is not the primary factor. The density of seawater is determined by its temperature and salinity.

As seawater evaporates, the concentration of salt increases, but the volume of water decreases, leading to an increase in density. However, this effect is relatively small compared to the influence of temperature. Colder water is denser than warmer water, which means that the deep ocean is much denser than the surface.

Therefore, The density of seawater at the bottom of the ocean can reach up to 1,040 kilograms per cubic meter, which is almost 5% denser than surface seawater.

For more such questions on ocean

https://brainly.com/question/31034213

#SPJ11

how to synthesize tripropylamine from propylene

Answers

The reactions that result in the emission of light involve the ruthenium label and tripropylamine (TPA), two electrochemically active molecules.

Thus, The electrode surface inside the measurement cell is where the reactions take place.

The ruthenium label is oxidized at the electrode surface as an electrical potential is applied, and TPA is oxidized into a radical cation that spontaneously loses a proton.

When the resultant TPA radical interacts with oxidized ruthenium, the ruthenium label enters an excited state and emits a photon (620 nm) before decaying. The ruthenium label is renewed and ready to carry out numerous light-generating cycles as it goes back to its ground state.

Thus, The reactions that result in the emission of light involve the ruthenium label and tripropylamine (TPA), two electrochemically active molecules.

Learn more about tripropylamine, refer to the link:
https://brainly.com/question/32070784?

#SPJ1

Which climatic change in Earth's history has resulted in glaciers?
cold climate
tropical climate
temperate climate
warm climate

Answers

The climatic change in Earth's history that has resulted in glaciers is the cold climate.

During the last 2.6 million years, the Earth has experienced a series of ice ages, or periods of colder global climate, which have led to the growth of glaciers in regions with sufficient snowfall.

These colder periods are associated with changes in the Earth's orbit, tilt, and precession, which affect the amount and distribution of solar radiation received by the Earth. These climatic changes have had significant impacts on the Earth's surface and have influenced the evolution of life on our planet.

Learn more about climate change, here:

https://brainly.com/question/28779953

#SPJ1

I need help right know please

Answers

The total volume of HCl(aq) used in the titration was 9.50 mL, the total volume of NaOH(aq) used was 3.80 mL, and the molarity of the sodium hydroxide solution was 0.25 M.

To determine the total volume of HCl(aq) used in the titration, we subtract the initial buret reading from the final buret reading:

Total volume of HCl(aq) = final buret reading - initial buret reading

Total volume of HCl(aq) = 25.00 mL - 15.50 mL

Total volume of HCl(aq) = 9.50 mL

To determine the total volume of NaOH(aq) used in the titration, we use the same approach:

Total volume of NaOH(aq) = final buret reading - initial buret reading

Total volume of NaOH(aq) = 8.80 mL - 5.00 mL

Total volume of NaOH(aq) = 3.80 mL

To calculate the molarity of the sodium hydroxide solution, we use the following formula:

Molarity of NaOH(aq) = (Molarity of HCl(aq) * Volume of HCl(aq)) / Volume of NaOH(aq)

Substituting the given values, we get:

Molarity of NaOH(aq) = (0.10 M * 9.50 mL) / 3.80 mL

Molarity of NaOH(aq) = 0.25 M

Therefore, the molarity of the sodium hydroxide solution is 0.25 M.

Learn more about Titration here:

https://brainly.com/question/13307013

#SPJ1

Whoever wrote that basic answer to my chemistry question that is NOT the complex equation. One of the reactants is [Cu(OH2)6]^2+
so what's the rest of the equation?

Answers

Here is the balanced chemical equation for the reaction involving [tex][Cu(OH_2)_6]^{2+}:[/tex]

[tex][Cu(OH_2)_6]^{2+} + 4Cl^- = [CuCl_4]^{2-} + 6H_2O[/tex]

In this reaction, [tex][Cu(OH_2)_6]^{2+}[/tex] is a complex ion of copper(II) that reacts with chloride ions to form the complex ion [tex][CuCl_4]^{2-}[/tex] and water molecules.

The balanced equation indicates that for every one mole of [tex][Cu(OH_2)_6]^{2+[/tex] that reacts, four moles of chloride ions are required and two moles of [tex][CuCl_4]^{2-[/tex] and six moles of water are produced.

A balanced chemical equation is a written representation of a chemical reaction that shows the same number of atoms of each element on both the reactant and product sides of the equation.

In other words, the law of conservation of mass is obeyed in a balanced chemical equation, which states that the total mass of the reactants must equal the total mass of the products.

For more question on balanced chemical equation click on

https://brainly.com/question/11904811

#SPJ11

SOMEONE PLEASEHELP!!!!!!! Using the graph to the right, answer the following questions:

1. What is the half-life of the radioactive isotope?

2. If someone had 4,000g of the sample remaining, how many half-lives has the sample gone through?

3. How many days would it take to have only 1,000g of the sample remaining?
^^^^show work!!!!!

Answers

The half-life of the radioactive isotope is 8 days.

Mass at 8 days = 8000 g

Number of half-lives in 4000 g = 8000 / 4000 = 2 half life

Time needed for 1000g to remain is 32 days.

The half life of a chemical reaction is the time required by the substance to reach half of its concentration. It is a characteristic property of the  unstable atomic nuclei and the way in which they decay.

For a given reaction the half life of a reactant is the time required for its concentration to reach a value that is the arithmetic mean of its initial and final value. For a reactant that is entirely consumed it is the time taken for the reactant concentration to fall to one half of its initial value.

Learn more about Half life, here:

https://brainly.com/question/31666695

#SPJ1

Two samples of carbon come into contact. A heat transfer will occur between sample A and sample B. What must be true
for heat to transfer from sample A to sample B?
The average kinetic energy of A is greater than that of B.
The average kinetic energy of B is greater than that of A.
The average kinetic energy of both samples is equal.
The average kinetic energy does not determine the direction of heat transfer.
Mark this and return
Save and Exit
56:26
Next
Submit

Answers

The average kinetic energy of A must be greater than that of B for heat to transfer from sample A to sample B.

Why does it conduct more before and after this minimum point? Explain how and why the ion concentrations change.

Answers

After the minimum point, the conductance typically increases again as the concentration of ions in the solution increases.

Without additional context, it is difficult to determine what exactly is being referred to by "this minimum point." However, in general, the conductance of an electrolyte solution depends on the concentration of ions in the solution. Before the minimum point, the conductance typically increases as the concentration of ions in the solution increases. This is because more ions are available to carry the electric current through the solution, leading to a higher conductance. At the minimum point, the conductance reaches a minimum value due to a balance between the effect of ion concentration and the effect of ion mobility. At this point, the concentration of ions in the solution is not high enough to support a high conductance, while the mobility of the ions is not low enough to reduce the conductance significantly. The ion concentration rises to a level where it can support a larger conductance than at the minimum point, which causes this increase in conductance to occur. The addition or removal of a solute, the reaction between various species in the solution, or any number of other events can cause the concentration of ions in the solution to change throughout the process of changing ion concentrations. The amount of accessible ions in the solution is affected by the change in concentration, and this in turn influences the conductance of the solution. In conclusion, the concentration of ions in an electrolyte solution affects the conductance of the solution. The conductance rises with increasing ion concentration, falls to a minimal value at a specific point, and then rises once more with increasing ion  concentration continues to increase. The ion concentration in the solution can change due to various factors, which can affect the conductance of the solution.

For more such questions on conductance

https://brainly.com/question/29419715

#SPJ11

Other Questions
Find two different integers that each square to become 196 true or false the products of fat (lipid) digestion are absorbed not into the blood stream directly, but into lymphatic vessels called lacteals. what is the average range of depth of cuts for finishing and abrsive machinging Delete the ServiceDate field from the Average By Month query. Add a new column using the Expression Builder. Create a formula to extract the name of the month from the ServiceDate field using a combination of the DatePart and MonthName functions. Name the column Month, and move the Month field to the left of the NumInParty field. Run the query. Save and close the query. What would be the formula for this? ba(oh) is a brnsted-lowry base becausea. it is a polar moleculeb. it is a hidroxide acceptorc. it is a proton acceptord. it can dissolve in water A 30.0-ml sample of 0.165 M propanoic acid is titrated with 0.300 M KOH. Calculate the at 0 of added base. Dillon and Samantha work at two different grocery stores. Dillon made $41. 50 for working 5 hours and Samantha made $50. 40 for 6 hours. Who makes more money per hour? HELP!!What is the authors main purpose in writing the passage?Answers:A. to explain why many bakers prefer whole wheat flour over white flour for bread makingB. to emphasize the added nutritional value in whole wheat bread compared to white breadC. to describe the differences in making bread with whole wheat flour compared to white flourD. to suggest when one should bake with white flour and when one should use whole wheat flour 5. According to the second law that entropy can never be destroyed, will entropy always increase from state 1 to state 2 after a process regardless of various complications brought by different systems? Why? The Compromise of 1850 polarized Americans, largely because: It made California into a slave state. a It promoted paid bounty hunters to track down escaped slaves in the North It made California into a free state with LOTS of voters, which unbalanced the pro & anti-slavery factions in Congress. Both B&C y The series of questions in lines 14-19 ("The ideas that came. Over any topic that was started?") is most likely intended to the duration of a 20-year zero-coupon bond is group of answer choices equal to that of a 20-year 10oupon bond. larger than 20. smaller than 20. equal to 20. Linear equation and matrices(a) show that if a square matirx A satisfies the equation A2+2A+I=0, then A must be invertible. What is the inverse?(b) show that if p(x) is a polynomial with a nonzero constant term, and if A is a square matrix for which p(A)=0, then A is invertible. Math Melanie went to have her hair coloredand cut last weekend. If her bill was$125 and she tips her hairdresser18%,how much did she pay in total? water flows in a 10-m wide open channel with a flowrate of 5 m3/s. determine the two possible depths if the specific energy of the flow is e = 0.6 m Identify the rule of inference that is used to arrive at the statement s(y) w(y) from the statement x(s(x) w(x)). 01. Write an iterative function that takes a positive integer and prints that many dots. 02. Write a recursive function that takes a positive integer and prints that many dots. Concisely describe thecircumstances that merit a professional response to an online post. Then describe the guidelines you shouldfollow when composing to customers online 8. consider the reaction of liquid methanol and gaseous oxygen at 298 k and 1 bar, resulting in the formation of gaseous carbon dioxide and liquid water. Since the 1930s, bank runs are not problematic in the United States because the FDIC's deposit insurance program punishes any banks that do not hold enough money in their reserves. O private deposit insurance programs have stepped in to supplement the FDIC and guarantee that depositors will receive all of their investments. O the FDIC provides deposit insurance and guarantees that depositors will receive a portion, if no all, of their money.