Reaction of ortho-bromotoluene with sodium amide in liquid ammonia produces two major products, ortho-toluidine (i.e., 2-methylaniline) and mete-toluidine (i.e., 3-methylaniline). From the list of possible intermediates shown at the right, choose those that would be: an intermediate in the formation of ortho-toluidine. an intermediate in the formation of meta-toluidine. Possible Intermediates

Answers

Answer 1

According to the statement aniline is an intermediate in the formation of both ortho-toluidine and meta-toluidine.

The reaction of ortho-bromotoluene with sodium amide in liquid ammonia is a classic example of nucleophilic aromatic substitution. This reaction involves the replacement of a leaving group (i.e., bromine in this case) with a nucleophile (i.e., sodium amide) on an aromatic ring. In this reaction, the sodium amide acts as a strong base and generates an intermediate, which then attacks the electrophilic carbon atom of the bromotoluene.
The possible intermediates shown at the right are benzene, aniline, 2-bromotoluene, and 3-bromotoluene. Among these, aniline is an intermediate in the formation of both ortho-toluidine and meta-toluidine. Aniline is generated by the reaction of sodium amide with ortho-bromotoluene, and it serves as a nucleophile in the subsequent step to form either ortho-toluidine or meta-toluidine. The position of the substituent (i.e., methyl group) is determined by the electronic nature of the substituent itself and the substituents on the ring. In this case, the methyl group directs the nucleophilic attack to the ortho or meta position relative to it, resulting in the formation of ortho-toluidine and meta-toluidine, respectively.
Therefore, aniline is an intermediate in the formation of both ortho-toluidine and meta-toluidine.

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Related Questions

Explain one way that God showed precision in his creation. (use complete sentences)

Answers

One way in which God showed precision in his creation was his mighty love on the he has on his creation

The book of John made us to know that: For God do love the world that he gave his only begotten son that whosoever believeth in him shall not perish but have everlasting life.

What is creation?

Creations is the art of producing or making something out of something

So therefore, one way in which God showed precision in his creation was his mighty love on the he has on his creation

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Radiometric dating allows scientists to figure out the absolute age of an event.
A. What is a half-life?

B. Which of these four radioactive elements would you choose to date a specimen from the most recent epoch?

Answers

Half-life in geology is defined as the time it takes for a radioactive material or element to decay half its original quantity into a daughter radiogenic isotope.

From the radioactive elements listed the Carbon-14 would be most preferable for dating a specimen.

What is radiometric dating?

Radiometric dating is defined as the process that is used by scientists to calculate the age of geologic materials.

From the data given in the table above, the radioactive element with the most recent half-life is carbon-14 being 5,730 years.

The uses os Carbon-14 include the following:

Used to measure the age of wood,

Used to measure sources of chloride and the age of water

Researchers can use that decay as a kind of clock that allows them to peer into the past.

Used in studying abnormalities of metabolism that underlie diabetes, gout, anemia, and acromegaly.

The carbon-14 is preferably used for dating specimen because it is the most stable and accurately dates archaeological artifacts.

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Explain why all the elements of period 3 is placed on the periodic table in period 3

Answers

Answer:

3 Electron shell/orbit

Explanation:

the number of shell an element has is what determines the period of that element.

This table resembles a condensed version of the modern periodic table. Using the full periodic table as a reference, type the symbols for the elements from part A into this table based on their appropriate group and period.

Answers

re write the question.

Explanation:

it seems incomplete.

A substance crystallizes with one atom at each corner, one atom on 8 of the edges, and one atom on 6 of the faces. How many atoms are present in one unit cell

Answers

The number of atoms in one unit cell with one atom at each corner, one atom on 8 of the edges, and one atom on 6 of the faces are 4.6atoms.

There is one atom at each corner and there are 8 corners in a unit cell, so there is one atom in each of the eight corners.

Therefore, the number of atom from corners = 1 x 1/8 = 1atom

There are 12 edges, since there are one atom on 8 of the edges the number of atom = 1 x 8/12 = 0.6atom

There is one atom at each face and there are 6 faces in a unit cell, each atom shares two face.

Therefore, the number of atoms on face = 2 x 1/6 = 3

Total number of atoms in one unit cell = 1 + 0.6 + 3 = 4.6atoms

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The statement, in a mixture of gases, the total pressure is the sum of the individual partial pressures of gases in the mixture paraphrases ________.

Answers

Dalton's law

States that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture.

What is Dalton's law of partial pressure ?

Dalton's law, which states that a gas mixture's overall pressure is equal to the sum of its component gases' partial pressures. The pressure that each gas would produce if it occupied the same volume of the mixture by itself at the same temperature is known as the partial pressure.

The pressure that each gas would produce if it occupied the same volume of the mixture at the same temperature alone is referred to as the partial pressure.

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A compound has an empirical formula of CH₂O. What is its molecular formula, if its molecular mass is 90 g/mol?

(C=12.01 amu, H=1.008 amu, O=16.00 amu)

A: C3H6O3
B: C9H1809

i need help asap, will give brainliest and 50 points, as this is on my final :)

Answers

Empirical formula mass

[tex]\\ \tt{:}\dashrightarrow 12+2+16[/tex]

[tex]\\ \tt{:}\dashrightarrow 30g/mol[/tex]

n:-

[tex]\\ \tt{:}\dashrightarrow \dfrac{Molecular\:mass}{Empirical\:mass}[/tex]

[tex]\\ \tt{:}\dashrightarrow \dfrac{90}{30}[/tex]

[tex]\\ \tt{:}\dashrightarrow 3[/tex]

Molecular formula

[tex]\\ \tt{:}\dashrightarrow n\times Empirical\: formula [/tex]

[tex]\\ \tt{:}\dashrightarrow 3(CH_2O)[/tex]

[tex]\\ \tt{:}\dashrightarrow C_3H_6O_3[/tex]

A solution contains 7.8% W/V ethanol. Express this in units of g/mL.

Answers

A solution that contains 7.8% W/V ethanol is equivalent to 0.078g/mL. Details about weights per volume can be found below.

How to convert W/V% to g/mL?

Weights per volume is a unit for measuring density of a substance. It can be converted to g/mL using the following expression:

w/v% = g/100mL

According to this question, a solution contains 7.8% W/V ethanol. The equivalent of this in g/mL is as follows:

7.8% W/V = 7.8g/100mL

= 0.078g/mL

Therefore, a solution that contains 7.8% W/V ethanol is equivalent to 0.078g/mL.

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The volume occupied by 0.4g of hydrogen gas at S.T.P is ________
{H=1.00, Molar volume at S.T.P =22.4dm^3

Answers

Answer:

4.48 dm^3

Explanation:

As given in the problem, the conversion factor for the molar volume of all gases is 22.4 dm^3/mole at STP.  A mole of all ideal gases will occupy 22.4 liters (dm^3).  Calculate the moles of hydrogen contained in 0.4 grams of the gas by dividing the mass by the molar mass of H2.  H2 has a molar mass of 2 grams/mole.

 (0.4 g)/(2 grams/mole) = 0.2 moles H2

(0.2 moles H2 at STP)*(22.4 dm^3/mole at STP) = 4.48 dm^3  (4.48 liters at STP)

What is the balanced chemical reaction for Mg+H2=MgH, K+O2= KO, K+S= KS, Ba + Br2= BaBr, Ca + N2= CaN
(Giving brainliest for the answer that shows work) Please and thank you!

Answers

Answer:

1.) 2 Mg + H₂ ------> 2 MgH

2.) 2 K + O₂ -----> 2 KO

3.) K + S -----> KS

4.) 2 Ba + Br₂ -----> 2 BaBr

5.) 2 Ca + N₂ ------> 2 CaN

Explanation:

An equation is balanced when there is an equal amount of each element on both sides of a reaction. If there is an unequal amount, they can be altered by adding coefficients which modify the amount of an element/molecule. It is important that the coefficients are as small as possible while staying as whole numbers.

1.) ------------------------------------------------------------------------------------------------------

The unbalanced equation:

Mg + H₂ -----> MgH

Reactants: 1 magnesium, 2 hydrogen

Products: 1 magnesium, 1 hydrogen

The balanced equation:

2 Mg + H₂ ------> 2 MgH

Reactants: 2 magnesium, 2 hydrogen

Products: 2 magnesium, 2 hydrogen

2.) ------------------------------------------------------------------------------------------------------

The unbalanced equation:

K + O₂ -----> KO

Reactants: 1 potassium, 2 oxygen

Products: 1 potassium, 1 oxygen

The balanced equation:

2 K + O₂ -----> 2 KO

Reactants: 2 potassium, 2 oxygen

Products: 2 potassium, 2 oxygen

3.) ------------------------------------------------------------------------------------------------------

The unbalanced equation:

K + S -----> KS

Reactants: 1 potassium, 1 sulfur

Products: 1 potassium, 1 sulfur

This equation is already balanced with all the elements/compounds having coefficients of 1.

4.) ------------------------------------------------------------------------------------------------------

The unbalanced equation:

Ba + Br₂ -----> BaBr

Reactants: 1 barium, 2 bromine

Products: 1 barium, 1 bromine

The balanced equation:

2 Ba + Br₂ -----> 2 BaBr

Reactants: 2 barium, 2 bromine

Products: 2 barium, 2 bromine

5.) ------------------------------------------------------------------------------------------------------

The unbalanced equation:

Ca + N₂ ------> CaN

Reactants: 1 calcium, 2 nitrogen

Products: 1 calcium, 1 nitrogen

The balanced equation:

2 Ca + N₂ ------> 2 CaN

Reactants: 2 calcium, 2 nitrogen

Products: 2 calcium, 2 nitrogen

Calculate the number of molecules in 3 mol of carbon dioxide (CO2).

Answers

18.06 ₓ [tex]10^{23}[/tex] molecules in 3 mol of carbon dioxide (CO2).

What is Avogadro's number?

The proportionality factor that connects the quantity of substance in a sample to the number of constituent particles in that sample is called the Avogadro constant. The reciprocal mole, which is its SI unit, is specified precisely as NA 6.02214076 × [tex]10^{23}[/tex] [tex]mol^{-1}[/tex]. It bears Amedeo Avogadro's name, an Italian scientist.

When dealing with very big quantities, chemistry uses Avogadro's number. It serves as the foundation for the mole, a unit of measurement that makes converting between moles, mass, and the number of molecules simple. The quantity, for instance, can be used to determine how many water molecules make up a single snowflake.

1 Mole is 6.02ₓ [tex]10^{23}[/tex] molecules.

Therefore 3 Moles of Carbon Dioxide ([tex]CO_{2}[/tex]) =3(6.02ₓ [tex]10^{23}[/tex])

3 Moles of Carbon Dioxide ([tex]CO_{2}[/tex]) =18.06 ₓ [tex]10^{23}[/tex]molecules of [tex]CO_{2}[/tex].

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When a hydrogen atom is part of a molecular structure, it is always a ___________ atom.

Answers

Answer:

terminal

Explanation:

When a hydrogen atom is part of a molecular structure, it is always a terminal atom.

Use the following, balanced equation for the question below:
2Al(s) + 3CuCl₂(aq) → 3Cu(s) + 2AlCl3(aq)
How many moles of aluminum are needed to produce 50.0 grams of aluminum chloride?

Answers

Answer:

0.375 moles Al

Explanation:

To find the moles Al, you need to (1) convert grams AlCl₃ to moles AlCl₃ (via molar mass) and then (2) convert moles AlCl₃ to moles Al (via mole-to-mole ratio from equation coefficients). It is important to arrange the ratios/conversions in a way that allows for the cancellation of units. The final answer should have 3 sig figs to match the sig figs of the given value (50.0 g).

Molar Mass (AlCl₃): 26.982 g/mol + 3(35.453 g/mol)

Molar Mass (AlCl): 133.341 g/mol

2 Al(s) + 3 CuCl₂(aq) -----> 3 Cu(s) + 2 AlCl₃(aq)

50.0 g AlCl₃           1 mole                 2 moles Al
--------------------  x  ------------------  x  -----------------------  =  0.375 moles Al
                               133.341 g           2 moles AlCl₃

Consider a 175.7 g sample of the compound manganese(IV) perchlorate.
Using the formula Mn(ClO₄)₄ (MM = 452.74), What quantity in moles of oxygen are in 175.7 g of manganese perchlorate?

Answers

Answer:

6.21 moles O

Explanation:

To find the moles of oxygen, you need to (1) convert grams Mn(ClO₄)₄ to moles Mn(ClO₄)₄ (via molar mass) and then (2) convert moles Mn(ClO₄)₄ to moles O (via mole-to-mole ratio from formula subscripts). It is important to arrange the conversions/ratios in a way that allows for the cancellation of units.

Molar Mass (Mn(ClO₄)₄): 452.74 g/mol

1 Mn(ClO₄)₄ = 1 Mn and 4 Cl and 16 O

175.7 g Mn(ClO₄)₄           1 mole                   16 moles O
---------------------------  x  -------------------  x  ---------------------------  =  6.21 moles O
                                       452.74 g            1 mole Mn(ClO₄)₄

The half-life of cesium-137 is 30 years. Suppose we have a 150 mg sample. (a) Find the mass (in mg) that remains after t years.

Answers

The half-life of cesium-137 is 30 years. Suppose we have a 150 mg sample. The masses (in mg) that remains after t years A=150/2^t/30yrs

what do you mean by half-life?

A substance's half-life is the amount of time it takes for half of it to decompose.

What is a half-life example?

Half-life is the length of time it takes for half of an unstable nucleus to go through its decay process. A radioactive element's half-life decay time varies depending on the element. For instance, carbon-10 has a half-life of only 19 seconds, making it impossible to discover in nature. On the other hand, uranium-233 has a half-life of almost 160000 years.

When n half-lives have passed, the formula for estimating the amount still left is:-

A=A°/2^n

where,

A=initial amount

A°=remaining amount

n=t/t_{1/2}

A=150/2^t/30yrs

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A physical change involves a change in the identity o the sample.
O True
O False

Answers

It is true because it changes the identity of a persin or a character

What is the concentration, in ppb, of
PCB's in a chemical spill, if there
are 6.0 x 10-5 g in 4,600 kg of soil?

Answers

Answer:

1ppm = 1 mg/kg

60460 = 0.13

0.13

Explanation:

Answer:0.013 ppb

Explanation:

point
Which is the correct balanced equation for copper(II) sulfate + aluminium -->
aluminium sulfate + solid copper?

Answers

Answer: 2Al(s) + 3CuSO4(aq) → Al2(SO4)3(aq) + 3Cu(s)

Explanation: The quantities of aluminum and copper sulfate used as reactants will be such that the copper sulfate will be in excess. Thus, the aluminum will be the limiting factor in determining the number of moles (gram-atoms) of products that will be formed.

Amines suitable for preparing buffers are often synthesized by treating ammonia with epoxides. Consider the following series of reactions, and draw the structure of compound B.

Answers

It is correct to state that Amines are suitable for preparing buffers are often synthesized by treating ammonia with epoxides. The relative structures of compound B are attached accordingly.

What is an Amine?

Amine is a family of basic chemical compounds formed by replacing hydrogen with one or more monovalent hydrocarbon radicals.

Apart from medications and pharmaceuticals, amines are employed in the production of azo-dyes and nylon.

They are commonly employed in the development of crop protection, pharmaceutical, and water purification chemicals. They are also used in personal care products.

Ethanol amines are the most widely utilized form of amine on the global market.

It should be noted that ammonia attacks epoxides at the least substituted carbon to produce (A.)

The generated product is then made to react with another epoxide, resulting in the synthesis of successive products.

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is glycine mono functional?

Answers

Answer:

Yes

Explanation:

Answer:it act as a precursor to proteins

Explanation:

when in extinguishing agent is determined to be safe and effective for you from combustible Metals it will

Answers

Dry powder extinguishers

They are for Class D or combustible metal fires, only. They are ineffective on all other classes of fires.

What is an Extinguishing agent ?

Extinguishing Agent means a source of extinguishment in which to quickly and effectively suppress the fire.

They consist of ABC Dry Chemical, BC Dry Chemical, Dry Powder, Water, Foam, Wet Chemical, Halogenated, and Carbon Dioxide.

Dry Chemical extinguishers: Dry chemical extinguishers are the most common and available in few types.

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State whether it would be worthwhile to investigate finding a catalyst to use in this reaction under standard conditions and explain why?.

Answers

Yes, it will be worthwhile to investigate finding a catalyst to use in this reaction under standard conditions because it is negative.

What is a Catalyst?

This is a substance which speeds up the rate of a chemical reaction by lowering the activation energy.

ΔG being negative indicates a a slow reaction which is why a catalyst under standard conditions should be used.

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Is copper and silver nitrate a physical change or Chemical change

Answers

Explanation:

One of the most fascinating chemical experiments is the reaction between silver nitrate and copper wire in water. Characterised by fractal-like precipitates, this experiment is a stunning example of a simple redox reaction.

Copper reacting with silver nitrate is a chemical change. In a chemical change, new substances are formed with different chemical properties.

Copper (Cu) is a metal, and silver nitrate is a compound made of silver (Ag), nitrogen (N), and oxygen (O).When copper is added to silver nitrate, a reaction occurs. The copper atoms react with the silver nitrate molecules, resulting in the formation of new substances.

The reaction produces copper nitrate  and silver (Ag) as products.Copper nitrate is a compound formed by the combination of copper, nitrogen, and oxygen, while silver remains unchanged.

The color of the solution changes, indicating a chemical reaction has taken place. Copper nitrate is usually a blue-green color, while silver is a metallic silver color.The chemical properties of the substances involved in the reaction are altered. Copper, being a metal, is malleable and conducts electricity, whereas copper nitrate is a compound and does not possess these properties.

Thus, the reaction between copper and silver nitrate is a chemical change because new substances with different properties are formed.

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What is the total pressure of a mixture of he and h2 if the partial pressures are 320 mm hg and 800 mm hg respectively

Answers

Answer:

1120 mm Hg

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What type of cleaning agent should be used to clean a laminar flow hood?
a. 70% Isopropyl Alcohol.
b. 90% Ethyl Propyl alcohol.
c. 90% Isopropyl Alcohol.
d. 50% Ethyl Propyl alcohol.

Answers

The type of cleaning agent that should be used to clean a laminar flow hood is 70% Isopropyl Alcohol.

Isopropyl alcohol is mixed with water for use as a rubbing-alcohol antiseptic. It is also utilized in aftershave creams, hand lotions, and other cosmetics. In enterprise, it is used as a less expensive solvent for cosmetics, drugs, shellacs, and gums, in addition to denaturing ethanol (ethyl alcohol).

Isopropyl alcohol is a colorless, flammable chemical compound with a robust alcoholic smell. As an isopropyl institution related to a hydroxyl group, it's far the handiest example of a secondary alcohol, wherein the alcohol carbon atom is connected to 2 other carbon atoms.

Isopropyl alcohol is pure alcohol and is a colorless liquid with a musty, sharp odor. There are no other components in a bottle of isopropyl alcohol. through assessment, rubbing alcohol consists of isopropyl alcohol among different components, including water. maximum rubbing alcohol manufacturers incorporate 70% isopropyl alcohol.

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Suppose 110.0 mL110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen fluoride dissolves in water to form 150.0 mL150.0 mL of an aqueous solution. What is the concentration of the resulting hydrofluoric acid

Answers

Suppose 110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen fluoride dissolves in water to form 150.0 mL of an aqueous solution. 0.032 M is the concentration of the resulting hydrofluoric acid.

What is Balanced Chemical Equation ?

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now write the balanced chemical equation

H₂ + F₂ → 2HF

What is Ideal Gas ?

An ideal gas is a gas that obey gas laws at all temperature and pressure conditions. It have velocity and mass but do not have volume. Ideal gas is also called perfect gas. Ideal gas is a hypothetical gas.

It is expressed as:

PV = nRT

where,

P = Pressure

V = Volume

n = number of moles

R = Ideal gas constant

T = temperature

Here,

P = 1 atm   [At STP]

V = 110 ml = 0.11 L

T = 273 K   [At STP]

R = 0.0821   [Ideal gas constant]

Now put the values in above expression

PV = nRT

1 atm × 0.11 L = n × 0.0821 L.atm/ K. mol × 273 K

[tex]n = \frac{1\ \text{atm} \times 0.11\ L}{0.0821\ \text{L. atm/ K. mol} \times 273\ K}[/tex]

n = 0.0049 mol

How to find the concentration of resulting solution ?

To calculate the concentration of resulting solution use the expression

[tex]C = \frac{n}{V}[/tex]

   [tex]= \frac{0.0049}{0.15}[/tex]  

   = 0.032 M

Thus from the above conclusion we can say that Suppose 110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen fluoride dissolves in water to form 150.0 mL of an aqueous solution. 0.032 M is the concentration of the resulting hydrofluoric acid.

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A compound has a percent composition of 81.71% C and 18.29% H. What is the empirical formula of this compound?

Answers

Considering the definition of empirical formula, the empirical formula is C₃H₈.

Definition of empirical formula

The empirical formula is the simplest expression to represent a chemical compound, which indicates the elements that are present and the minimum proportion in whole numbers that exist between its atoms, that is, the subscripts of chemical formulas are reduced to the most integers. small as possible.

Empirical formula in this case

In this case, in first place you know the percent composition:

C: 81.71 %H: 18.29%

Assuming a 100 grams sample, the percentages match the grams in the sample. So you have 81.71 grams of carbon and 18.29 grams of hydrogen H.

Then it is possible to calculate the number of moles of each atom in the molecule, taking into account the corresponding molar mass:

C: [tex]\frac{81.71 grams}{12\frac{grams}{mole} }[/tex]= 6.81 molesH:[tex]\frac{18.29 grams}{1\frac{grams}{mole} }[/tex]= 18.29 moles

The empirical formula must be expressed using whole number relationships, for this the numbers of moles are divided by the smallest result of those obtained. In this case:

C: [tex]\frac{6.81 moles}{6.81 moles}[/tex]= 1H:[tex]\frac{18.29 moles}{6.81 moles}[/tex]= 2.68 ≅ [tex]\frac{8}{3}[/tex]

To express this relationship in the form of simple integers, it is necessary to multiply by a simple number to achieve this:

C: 1×3  =3 H:≅ [tex]\frac{8}{3}[/tex]×3= 8

Therefore the C: H mole ratio is 3: 8

Finally, the empirical formula is C₃H₈.

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At a particular temperature, the solubility of Kr in water is 0.060 M when the partial pressure is 0.90 atm. What partial pressure (in atm) of Kr would give a solubility of 0.150 M

Answers

At a particular temperature, the solubility of He in water is 0.060 M when the partial pressure is 0.90 atm. 2.27 atm is the partial pressure of Kr would give a solubility of 0.150 M.

What is Henry's Law ?According to Henry's law, the weight of a gas dissolved by a liquid is proportional to the pressure of the gas onto the liquid.With very few exceptions, a solute molecule in an extremely diluted solution will only have solvent molecules as its close neighbors. This means that the likelihood that a specific solute molecule will escape into the gas phase is predicted to be independent of the total concentration of solute molecules.

Solution:

The solubility of gas is directly proportional to partial pressure. It is expressed as:

S = [tex]K_ h \times P _g_a_s[/tex]

where, S = Solubility of gas

[tex]K_h[/tex] = Henry's Law constant

[tex]P_g_a_s[/tex] = Partial pressure of gas

Now, put the values in above expression we get

0.060M = [tex]K_h[/tex] × 0.9 atm

   [tex]K_h[/tex] =  = 0.066 M/atm

Now we have to find the partial pressure of He

0.150 M = 0.066 M/atm × [tex]P_g_a_s[/tex]

[tex]P_g_a_s[/tex] = 2.27 atm

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What is the name of the molecule below?
G
O A. Ethyne
O B. Ethene
C. Methene
OD. Methyne
H-C=C-H

Answers

The name of the molecule above is Ethene

What are organic compounds?

Organic compounds can be defined as compounds containing carbon and hydrogen.

Some classes of organic compounds are:

AlkanesAlkenesAlkanolsAlkanalsAlkynes

So therefore, he name of the molecule above is Ethene

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You picked up a dirty test tube with a sticky substance on the outside. You get some of this substance on your hand. What is the first thing you should do

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You picked up a dirty test tube with a sticky substance on the outside. You get some of this substance on your hand. The first thing that I should do is wash my hand and then tell the teacher.

Define the test tube.

A test tube often referred to as a culture tube or sample tube, is a typical item of lab glassware that is made up of a finger-like length of clear plastic or glass tubing that is open at the top and closed at the bottom. Usually, test tubes are stored on dedicated racks.

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Let's say one person is going 30 mph and crashes into a stopped car and you are going 60 mph and crash. How much more powerful is your crash? Which enterprise file service allows you to create duplicate copies of files for high availability? The dsm-5 listing of ""gambling disorder"" suggests that people may become addicted to _____ beyond substance use. Suppose we have two planets with the same mass, but the radius of the second one is twice the size of the first one. How does the free-fall acceleration on the second planet compare to the first planet What is the element with the abbreviated electron configuration [kr]5 s 24 d 8? 1) What are three things recently decided, or debated, by the U.N. General Assembly?2) What are the ten rotating countries currently serving on the Security Council? Who is current Secretary-General and what country are they from?3) Find two instances where the Security Council has signed off on an issue and acted on it. For each one identify the who, what, when, where, and how of the action.4) Find two instances where the Security Council has vetoed an issue. For each one identify the who, what, when, where, and how of the action.5) Identify one case that has gone before the International Court of Justice and explain the case and what the verdict was. What happened to the people afterwards? 6) Identify and explain one thing the Economic and Social Council is currently working on, or has worked on. Do you think this is/was a good idea or not? Why?7) Explain one instance that the U.N. has gone on a Peacekeeping mission. What was the result?8) Explain one instance that the U.N. has protected, or failed to protect, human rights. What was the result?9) Find one political cartoon about the U.N. and explain what it is trying to say. evaluate f(x)=4|x|+3 for x=-5 Write an equation for this wordsentence: one fifth of a numberequals 16. What is the first step in deploying a firewall? What is cloud computing? Read the excerpt from "Binding Memories."Ah, the romantic soul!said my parents skeptically,worried that my business would fail,that I was behind the times.Based on this stanza, how do the speakers parents feel about her decision to pursue book publishing?They wish the speaker did not have such an active imagination.They want the speaker to build a large and successful company.They want the speaker to help her family through her work.They wish the speaker would choose a more reliable profession. How do i convert the follwing Powers Of Ten into standard numbers?[tex]10^{7}[/tex][tex]10^{5}[/tex][tex]10^{8}[/tex][tex]10^{12}[/tex][tex]10^{6}[/tex] Which choice best supports the idea that the author assumes that, all things being equal, people would rather drive than take mass transit As a social worker employed in a mental health center, cecilia is most likely to consult the ___, a tool for assessing behavioral disorders. Which of the following ordered pairs is a solution of the system?x + 3y = 12y-x=12 Identify the true and false statements about gender and labor force participation. Find the volume of the sphere. What is the function of tRNA in protein synthesis ? A. To combine with other proteins to form the ribosome where protein synthesis takes placeB. To match up codons with rRNA to signal the start of protein synthesis C. To transfer the amino acids from the cytoplasm to the ribosome where protein synthesis takes place Normally, whem I shut my door, it takes quite a bit of effort to shut it, but when my window is open, even if I just pull it slightly then let go, it slams automatically. It isn't an issue, I just want to know the physics behind it. Is it something to do with difference in pressure? What percentage of women experience disabling, incapacitating symptoms of premenstrual syndrome (pms)?