uppose n2h4 (l) decomposes to form nh3 (g) and n2 (g). if one starts with 2.6 mol n2h4, and the reaction goes to completion, how many grams of nh3 are produced?

Answers

Answer 1

If 2.6 mol of [tex]N_{2}H_{4}[/tex] is completely decomposed, 88.46 grams of [tex]NH_{3}[/tex] will be produced.

The balanced chemical equation for the decomposition of [tex]N_{2}H_{4}[/tex] is: [tex]N_{2}H_{4}[/tex] (l) → 2 [tex]NH_{3}[/tex] (g) + N2 (g)

According to the equation, 1 mole of [tex]N_{2}H_{4}[/tex] produces 2 moles of [tex]NH_{3}[/tex]. Therefore, 2.6 mol [tex]N_{2}H_{4}[/tex] will produce 2 x 2.6 = 5.2 mol [tex]NH_{3}[/tex].

To convert moles of [tex]NH_{3}[/tex] to grams, we need to use the molar mass of [tex]NH_{3}[/tex], which is 17.03 g/mol.

mass of [tex]NH_{3}[/tex] = number of moles of [tex]NH_{3}[/tex] x molar mass of [tex]NH_{3}[/tex]

mass of [tex]NH_{3}[/tex] = 5.2 mol x 17.03 g/mol = 88.46 g

Therefore, if 2.6 mol of [tex]N_{2}H_{4}[/tex] is completely decomposed, 88.46 grams of [tex]NH_{3}[/tex] will be produced.

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Related Questions

Iansiqnsdijsijnweijnjwn

Answers

Answer:

What is your question?

Explanation:

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Answer:

Stan TXT

Explanation:

because they are amazing

The study of the structure of matter and the composition of substance, their properties, and their chemical reactions is called:

Answers

Answer: chemistry

Explanation: see definition on wikipedia.

Which law states that the volume of a gas is proportional to the moles of the gas when pressure and temperature are kept constant?
Boyle’s law
Dalton’s law
Charles’s law
Avogadro’s law

Answers

The law that states that the volume of a gas is proportional to the moles of the gas when pressure and temperature are kept constant is Avogadro’s law. That is option D.

What is Avogadro’s law?

Avogadro’s law states that the volume of a gas is proportional to the moles of the gas when pressure and temperature are kept constant.

Mathematically the Avogadro’s law can be represented by the following:

V1/n1= V2/n1

Where,

V1 = first volume

n1 = first amount of gas

V2 = second volume

n2 = second amount of gas

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Answer:D

Explanation:Trust me bro

Which compound is not required for the oxidative decarboxylation of pyruvate to form acetyl-coa?

Answers

The compound that is not required for the oxidative decarboxylation of pyruvate to form acetyl-CoA is ATP.

What is oxidative decarboxylation?

The chemical process of oxidative decarboxylation is an oxidative process where carboxylate groups are eliminated to form CO2.

The process of oxidative decarboxylation is associated with cellular respiration, which generates ATP as a product (instead of reactant).

In conclusion, the compound that is not required for the oxidative decarboxylation of pyruvate to form acetyl-CoA is ATP.

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Identify all resonance forms of the enolate formed, and indicate whether or not a substantial amount of starting ketone will be present together with the enolate at equilibrium. (select all that apply)

Answers

At equilibrium, a significant quantity of starting ketone will be present with the enolate in the first case.

What is ketone?

Ketones are substances produced by the liver. It is formed when there is insufficient insulin in the body to turn sugar into energy.

What happens in scenario two where the formation of possible enolate ions from the cyclohexan-1, 4-di.ketone by abstraction of acidic proton by suing sodium ethoxide base occurs?

In this case a substantial amount of ketone will exist along side the enolate at equilibrium.


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When testing the temperature of catalase, what would happen if you changed the temperature using the same tube with the same catalase and hydrogen oxide mixture?.

Answers

If we change the temperature using same tube with the same catalase and hydrogen oxide mixture, the hydrogen peroxide will break into oxygen and water molecule.

What is catalase?

It is an enzyme which catalyses the decomposition reaction of hydrogen peroxide to water and oxygen.

Its function is to protect the oxidative damage by ROS

ROS is reactive Oxygen Species.

What is an enzyme?

Enzymes are made of proteins which catalyses the biological reaction.

Effect of temperature on catalase:

Increase of temperature results in the loosening of hydrogen bond and helps the catalase to decompose hydrogen peroxide.

The change in temperature using same tube with the same catalase and hydrogen oxide mixture, the hydrogen peroxide will break into oxygen and water molecule.

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Half-life expressions can be derived from?

Answers

Different half-life expressions can be chemically derived from integrated rate laws.

What are integrated rate laws?

In chemistry, the expression 'integrated rate laws' makes reference to the integration of different rate laws.

The constant rate refers to the specific amount of a given substrate or reactant that is used in a chemical reaction to produce a specific amount of product during such reactions.

The constant rate is very useful to determine the time required to generate a given amount of a product in a given chemical reaction (expressed per unit of time).

In conclusion, different half-life expressions can be chemically derived from integrated rate laws.

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A measure of peak separation in a chromatographic method that equals the difference in retention time for two components divided by the average of their peak widths is the definition of

Answers

A measure of peak separation in a chromatographic method that equals the difference in retention time for two components divided by the average of their peak widths is the definition of resolution.

Retention time can be referred to as the amount of time a solute spends in the stationary and mobile phases of a column.

The analyte's interaction with the stationary phase determines the longer retention period.

The duration of retention will increase as the interaction becomes more strong.

Resolution is defined as the peak separation in a chromatographic procedure that is equal to the difference in retention time for two components divided by the average of their peak widths.

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You have a 150mL sample of an aqueous solution at 25C. It contains 15.2mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 8.44 torr, what is the molar mass of the compound

Answers

The molar mass of the compound:

If the solution has an osmotic pressure of 8.44 torr, then the molar mass of the unknown non-electrolyte is 223.14 g.

What is osmosis?

Osmosis is defined as the flow of solvent molecules through semi-permeable membrane.Osmotic pressure is the pressure applied to stop the flow of solvent molecules.It is a colligative property that means osmotic pressure depends on the number of solute particles .

Therefore,

π[tex]V=inRT[/tex]  ( for electrolytes)

Where,   π= Osmotic pressure

i = Van 't Hoff factor

n= moles

R= Gaseous constant = 62.363577 L torr [tex]mol^{-1}K^{-1}[/tex]

T= Temperature

V= Volume of solution

Given:

T= 298K

V= 150 mL= 0.150 L

Given mass of unknown electrolyte= 15.2 mg = 15.2 x  [tex]10^{-3}[/tex] g

Osmotic pressure= 8.44 torr

Molar mass= ?

For non-electrolytes:

πV = n RT

πV=[tex]\frac{m}{M}[/tex]RT

Calculations:

Putting the given values in the formula:

8.44 x 0.150 =15.2 x [tex]10^{-3}[/tex]/ M x 62.36 x 298

1.266 = 282.5/M

M = 282.5/1.266

M = 223.14 g

Therefore,

The molar mass of the unknown non-electrolyte is 223.14g.

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How does the phase diagram of a substance illustrate the relationship between temperature and kinetic energy of molecules

Answers

A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance.

What is a Phase diagram ?

These diagrams indicate the physical states that exist under specific conditions of pressure and temperature, and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points).

At low temperatures, most substances are solid; as the temperature increases, they become liquid; at higher temperatures still, they become gaseous.

The phase change between a liquid and a gas has some similarities to the phase change between a solid and a liquid.

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Briefly explain how a titration experiment can be used to determine the concentration of a strong acid or strong base solution?

Answers

Answer:During an acid-base titration, an acid with a known concentration  is slowly added to a base with an unknown concentration (or vice versa). A few drops of indicator solution are added to the base. The indicator will signal, by color change, when the base has been neutralizedExplanation:

Assume there is an equal mass of each gas at a given temperature and pressure. Arrange the following gases based on the amount of volume they occupy, from the largest to the smallest volume.

Answers

At a given temperature and pressure, the arrangement of gases based on the amount of volume they occupy, from the largest to the smallest volume is CH[tex]_{4}[/tex] < NH[tex]_{3}[/tex] < Ar < SO₂ < Cl₂ .

According to Avogadro's law, all gases with an identical volume and the same temperature and pressure have an equal number of molecules.

If the temperature and pressure are constant, the volume and amount (in moles) of an ideal gas for a given mass are directly proportional.

The volume of gas ∝ No. of moles of gas

It means that the more the no. of moles of gas, the greater will be the volume of gas.

Now, No. of moles = Given mass/ Molar mass

Given,

There is an equal mass of each gas at a given temperature and pressure.

So,

No. of moles is inversely proportional to the Molar mass of the gas.

Therefore we can conclude that the less the molar mass of gas, the more will be the no. of moles and the higher will be the volume of that gas.

The gas with the least molar mass will occupy the highest volume.

The molar mass of [tex]CH_{4}[/tex] = 16g/mol

The molar mass of [tex]NH_{3}[/tex] = 17g/mol

The molar mass of [tex]Cl_{2}[/tex] = 70g/mol

The molar mass of Ar = 40g/mol

The molar mass of [tex]SO_{2}[/tex] = 64g/mol

Arrangement of gases on basis of molar mass

Cl₂ < SO₂ < Ar < [tex]NH_{3}[/tex] < [tex]CH_{4}[/tex]

So Arrangement on basis of decreasing volume

[tex]CH_{4} < NH_{3} < Ar < SO_{2} < Cl_{2}[/tex]

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The following is the reaction showing the complete neutralization of calcium hydroxide (a base) with phosphoric acid:

3Ca(OH)2​(aq) + 2H3​PO4​(aq) → Ca3​(PO4​)2​(s) + 6H2​O(ℓ)

A stock solution of calcium hydroxide (base) is made by dissolving 3.51 grams of it into some water and the volume is brought to 750 mL. A 50.0 mL portion of that stock solution is then titrated with a solution of 0.229 M phosphoric acid. How many milliliters (mL) of the acid are needed to completely neutralize the base in this reaction? (tolerance is ±0.1 mL)

Answers

9.17 milliliters (mL) of the acid are needed to completely neutralize the base in this reaction.

What is a neutralization reaction

A neutralization reaction is a reaction between an acid and a base to produce a salt and water only.

The process of reacting given volume of acids or bases to determine the concentration or volume of either the acid or base required for neutralization is known as titration in volumetric analysis.

The formula to determine the volume of the acid required is given below:

[tex]\frac{C_{a}V_{a}}{C_{b}V_{b}} = \frac {N_{a}}{N_{b}}[/tex]

where [tex]V_{a[/tex] is the volume of acid required

[tex]V_{a} = \frac {C_{b}V_{b}N_{a}}{C_{a}N_{b}}[/tex]

Concentration of base, Cb = (3.51/74)/0.75 = 0.063 M

Vb = 50. 0 mL

Ca = 0.229 M

Na = 2

Nb = 3

Va = (0.063 * 50 * 2)/(0.229 * 3)

Va = 9.17 mL

In conclusion, the volume of the acid is determined from the concentration, volume and mole ratio of the reaction.

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In which form are water molecules most closely bonded to each other?

Answers

Answer:

In solid

Explanation:

As a solid has very tightly packed molecules which move very difficulty and only vibrate

Which of these is the byproduct of fuel combustion that may result in death if such combustion equipment is not properly vented.
a. radon
b. lead
c. oxygen
d. carbon monoxide

Answers

Carbon monoxide is the byproduct of fuel combustion that may result in death if such combustion equipment is not properly vented and is denoted as option D.

What is Carbon monoxide?

This is a compound which is derived from the combustion of carbon in insufficient supply of oxygen. Carbon monoxide when inhaled replaces the oxygen content in the body which is dangerous because oxygen is needed for the survival of the cells of the body.

The carbon monoxide is usually formed when there is no properly vent thereby resulting in insufficient supply of air. This therefore results in its presence in the body results in the death of cells of the body system.

This is therefore the reason why carbon monoxide was chosen as the most appropriate choice.

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why is fruit cake a heterogeneous mixture ??

Answers

Answer because it is made of many components that can be separated through physical means.
It cannot be a homogeneous mixture, as its composition is not uniform all throughout.

A teacher divides her class into four groups. She assigns
each group the task of measuring the temperature of a
given object three times. The teacher already knows that
the temperature of the object is 31°C.
Based on each group's results, which group makes the most precise
measurements of the object's temperature?
A. Group A: 31.0°C, 32.0°C, 30.0°C
B. Group B: 29.5°C, 33.0°C, 31.8°C
C. Group C: 32.1°C, 31.9°C, 31.8°C
D. Group D: 29.0°C, 35.0°C, 32.0°C

Answers

The group that makes the most precise measurements of the object's temperature is Group C : 32.1°C, 31.9°C, 31.8°C. That is option C.

What is a precise measurement?

Precise measurement are those values that are gotten during a measurement which when compared are closest to the given constant value.

Precision refers to a value in decimal numbers after the whole number, and it does not relate with accuracy.

From the measurement gotten from the different groups, the results that are precise are the results of group C.

This is so because,

32.1-31 = 1.1

31.9-31 = 0.9

31.8- 31 = 0.8

All the values gotten are in decimals as stated above. Therefore, the group that makes the most precise measurements of the object's temperature is Group C.

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Which color change represents a positive reaction for the presence of sugar using the Benedict's test

Answers

Answer:

my best answer is blue

Explanation:

1. Explain why halogens are rarely found in native state?​

Answers

Halogens are rarely found in native state because halogens are highly reactive.  

What is Halogens ?

The group 17 elements are known as Halogen group. These elements include Fluorine, Chlorine, Bromine, Iodine and Astatine. Halogens react with metals to form salts. Halogens are non metals. Halogens are highly reactive and halogens are never found in pure form. Halogens not occur in free state.

How many valence electron are present in Halogens ?

Halogens have seven valence electrons in the outermost shell. The electronic configuration of Halogen is ns² np⁵.

Thus from the above conclusion we can say that Halogens are rarely found in native state because halogens are highly reactive.

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Nal+ Pb(SO4)2
→> products and reaction type

Answers

The reaction is based on law of conservation of mass.

The balanced chemical equation is

[tex]$4 \mathrm{NaI}+\mathrm{Pb}\left(\mathrm{SO}_{4}\right)_{2} \rightarrow \mathrm{PbI}_{4}+2 \mathrm{Na}_{2} \mathrm{SO}_{4}$[/tex]

What is law of conservation of mass?

Every balanced chemical equation follows the direction of conservation of mass. This law states that mass can neither be completed nor can be destroyed but it can only be transformed from one condition to another form. This law likewise states that the total number of individual atoms on the reactant side must be comparable to the total number of individual atoms on the product side.

The Law of Conservation of Mass holds because naturally occurring elements are stable under the conditions located on the surface of the Earth. Most elements come from fusion reactions found only in stars or supernovae. Consequently, in the ordinary world of Earth, from the peak of the highest mountain to the depths of the deepest ocean, atoms are not transformed into other elements during chemical reactions. Because of this, individual atoms that make up living and nonliving subjects are very old and each atom have a history. An individual atom of a biologically essential element, such as carbon, may have expended 65 million years buried as coal before standing burned in a control plant, followed by two decades in Earth's environment before being disbanded in the ocean,

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________ are weak bonds that are not strong enough to hold atoms together to form molecules but are strong enough to form bonds within and around large molecules.

Answers

Hydrogen bonds are weak bonds that are not strong enough to hold atoms together to form molecules but are strong enough to form bonds within and around large molecules.

The hydrogen bond is weak bond.The hydrogen bond  is electrostatic force of attraction between hydrogen atom and more electronegative atoms or group ( like Florine , oxygen or nitrogen) which is contently bonded.The hydrogen bond is occur in polar , contently bond atoms in different molecules.Example is H-O-H or [tex]NH_{3}[/tex]The positively charged hydrogen side of one water molecule is bond with negatively charged oxygen side of another molecule.

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Cabbage juice indicator solutions can show pH values from acidic to basic.

Which color represents the most basic solution?

Which color represents the most acidic solution?

Which color represents a neutral solution?

Answers

More acid solution has red colour, more basic solution has purple colour whereas neutral solution has green colour.

Which color represents the most acidic solution?

As the solution becomes more acidic, the color of the solution changes from green toward red.

Which color represents the most basic solution?

As the solution becomes more basic, the color changes of the solution from green toward purple.

Which color represents a neutral solution?

Green color of the solution represents a neutral solution having pH 7.

So we can conclude that More acid solution has red colour, more basic solution has purple colour whereas neutral solution has green colour.

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What amino acid is formed using the n-phthalimidomalonic ester synthesis when the following alkyl halides are used in the third step?.

Answers

Threre are two amino acid is formed using the n-phthalimidomalonic ester synthesis when the following alkyl halides are used in the third step -

a. leucine

b. methionine

What is Gabriel malonic ester synthesis?

A reaction that enables us to generate amino acids is the Gabriel synthesis, also referred to as the Gabriel malonic ester synthesis. We can convert primary alkyl halides into primary amines using this procedure. Remember that 19 of the 20 amino acids are actually primary amines.

Who should not take methionine?

Supplemental methionine shouldn't be used by people with the genetic condition homocystinuria type I. Methionine can become more homocysteine if you take methionine supplements without getting enough folic acid, vitamin B-6, or vitamin B-12. Your risk of heart disease could rise as a result.

What does leucine do in the body?

Leucine is an essential amino acid for protein synthesis. Additionally, similarly to other amino acids, the carbon skeleton of leucine can be used to generate ATP. However, leucine can also regulate several cellular processes such as protein synthesis, tissue regeneration, and metabolism.

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The complete question is -

What amino acid is formed using the N-phthalimidomalonic ester synthesis when the following alkyl halides are used in the third step?

a. Ch3Ch(Ch3)Ch2-Br

b. Ch3SCh2Ch2-Br

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What can be done to double the power output of an object?

Neither of these

Both of these

Take half the time to do the work

Double the work done by the object

Answers

Double the work done by the object.Hope this helps

PLEASE HELP THANKSS-
How does a heterogeneous mixture differ from a homogeneous mixture? How are they similar?

Answers

A homogenous mixture has uniformly dispersed components while a heterogeneous mixture does not.

Homogenous vs heterogeneous mixtures

First of all, both homogenous and heterogenous mixtures consist of 2 or more non-reacting chemical components.

In homogenous mixtures, the chemical components are uniformly dispersed throughout the entire mixture.

In heterogeneous mixtures, the reverse is the case. The components are not uniformly dispersed. They are skewed to a particular side.

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A boy of mass 60 kg and a girl of mass 40 kg are together and at rest on a frozen pond and push each other apart. The girl moves in a negative direction with a speed of 3 m/s. What must be the total final momentum of the boy and girl combined?
A. 120 kgm/s
B. -100 kgm/s
C. 0 kgm/s
D. -120 kgm/s

Answers

The aggregate ultimate momentum of the boy and girl must be 0 kgm/s (option C).

Conservation of momentum:

According to the principle of momentum conservation, momentum is only modified by the forces acting as they are outlined by Newton's equations of motion; momentum is never generated nor destroyed inside a problem domain.

Example- A bullet leaves the pistol when it is fired and picks up speed. The gun recoils to maintain the system's motion. After the pistol is discharged, the total momentum of the pistol and the bullet will be zero in accordance with the law of conservation of momentum.

What is Momentum?

A characteristic of a moving body that it possesses due to its mass and motion and is equal to the sum of its mass and speed.

Therefore, according to the momentum conservation law, it can be concluded that the aggregate end momentum of the boy and girl must be 0 kgm/s (option C).

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Calculate the pH if the [H^+] = 9.71 ×
10^-8

Answers

Answer:

pH = 7.01

Explanation:

The pH can be calculated using the formula:

pH = -log[H⁺]

In this formula, [H⁺] represents the concentration of H⁺. Since you have been given this value, you can easily find the pH.

pH = -log[H⁺]

pH = -log[9.71 x 10⁻⁸]

pH = 7.01

The answer is 7.01

Steps

please help me with this questio

Answers

The mass of the precipitate is 8.74 g and the concentration of the calcium nitrate is 0.061 M.

What mass of precipitate is formed?

The reaction is given by; 2AgNO3(aq) + CaCl2 (aq) ------>2AgCl(s) + Ca(NO3)2(aq)

Number of moles of AgNO3 = 195/1000 * 0.500 = 0.0975 moles

Number of moles of CaCl2 = 305/1000 * 0.100 = 0.0305 moles

If 2 moles of AgNO3 reacts with 1 mole of  CaCl2

0.0975 moles reacts with  0.0975 moles * 1 mole / 2 moles = 0.04875 moles

Thus CaCl2 is the limiting reactant.

1 mole of CaCl2 produces 2moles of AgCl

0.0305 moles produces 0.0305 moles * 2 moles/ 1mole

= 0.061 moles

Mass of precipitate =  0.061 moles * 143.32 g/mol

= 8.74 g

Now 1 mole of CaCl2  produces 1 mole of Ca(NO3)2

Total volume of solution = 195 ml + 305 ml = 500 ml or 0.5 L

Concentration of Ca(NO3)2 = 0.0305 moles/ 0.5 L

= 0.061 M

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Treatment of DCS may involve: Select one: In-water recompression. Administration of pure oxygen. Recompression in a hyperbaric chamber. Both the second and third answers are correct.

Answers

Treatment of DCS may involve Recompression in a hyperbaric chamber.

Hence, Option (3) is correct answer.

What is DCS ?

DCS is Decompression Sickness which is followed by recompression in a hyperbaric chamber. They prevent long term effects.  It is also known as generalized barotrauma. It occur mostly in Scuba divers.

What are the Sign and Symptoms of DCS ?

The sign and symptoms of DCS are

Skin itchShortness of breathA blotchy rashPain in joints or armDizziness

Thus from the above conclusion we can say that Treatment of DCS may involve Recompression in a hyperbaric chamber.

Hence, Option (3) is correct answer.

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What are the spectator ions when k2s and mgcl2 are combines

Answers

The spectator ions of when k2s and mgcl2 are combined are 1. Cl- (aq) and 2. K (aq)

the balance equation of MgCl2 and  K2S is as follows:

MgCl2(aq) + K2S(aq) ------> MgS(s) + 2KCl(aq)

the net ionic equation is as follows:

Mg 2+ (aq) + 2 Cl- (aq) + 2K (aq) + S 2- (aq) = MgS(s) +2 Cl- (aq) + 2K (aq)

The overall reaction is as follows:

Mg 2+ (aq) + S 2- (aq) = MgS(s)

Thus the spectator ions are the following:

Cl- (aq)

K (aq)

If we compare the solutions before and after the reaction, sodium and nitrate ions are present in both the solutions. They do not undergo any chemical exchange at all. These ions are called spectator ions since they don't participate in the chemical reaction at all (they simply "watch").

Compare the reactant and product sides of the rewritten reaction and cross out the spectator ions. Any dissolved ions that appear in the same form on both sides are spectator ions.

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according to sigmund freud, the aspect of personality that is partly conscious, but mostly unconscious, is the Hi. I need the solution of the below question using C#. "A bag of cookies holds 40 cookies. The calorie information on the bag claims that there are 10 servings in the bag and that a serving equals 300 calories. Create an application that lets the user enter the number of cookies he or she ate and then reports the number of total calories consumed. " What percentage of the psychic's claims about the photo of Ted Bundy were correct?Select one:a. 100%b. 50%c. 33%d. 0% 9. The specification for a plastic liner for concrete highway projects calls for a thickness of 6.0 mm 0.1 mm. The standard deviation of the process is estimated to be 0.02 mm. What are the upper and lower specification limits for this product? The process is known to operate at a mean thickness of 6.03 mm. What is the Cp and Cpk for this process? About what percent of all units of this liner will meet specifications? 10. A local business owner is considering adding another employee to his staff in an effort to increase the number of hours that the store is open per day. If the employee will cost the owner $4,000 per month and the store takes in $50/hour in revenue with variable costs of $15/hour, how many hours must the new employee work for the owner to break even? controlling or altering _____________ is necessary to retain the initiative. commanders increase this to maintain momentum. steroid use by athletes to improve performance is generally considered to be Which depreciation method is most frequently used in businesses today?a) Straight-lineb) Units-of-activityc) Declining-balanced) Double-declining-balance draw a pentagram to represent an undirected graph g with 5 vertices and 10 edges. label the vertices a, b, c, d and e. 1 Explain the basic idea and possible outcomes of the unfolded protein response in your own words. 2 If many cells commit apoptosis in any one organ, what may happen to that particular organ? (2 marks) 3 Besides response to unfolded proteins, under what other conditions might apoptosis be a positive thing in a cells life? (4 marks) 4. Explain how endoplasmic stress and cell death could cause these symptoms (explain for each one) (4 marks) An object pivoting about its center of mass isA: Free of net torqueB: MotionlessC: Always in motionD: Experiencing a torque about its center of mass. sales reported on the income statement were $270,310. the accounts receivable balance declined $16,020 over the year. determine the amount of cash received from customers. The following entities issue bonds to raise long-term loans except _____.a. the federal governmentb. state and local governmentsc. companiesd. individuals higher levels of confidence generally require: a. larger sample sizes. b. smaller standard deviation. c. greater variance. d. smaller sample sizes. Esplanade Marine Parts Inc. wants to produce parts in batches of 140 parts. Each part must be processed sequentially from workstation A to B.ProcessingWorkstationBatch Size (Q)Time per PartA14040 secondsB14035 secondsHow many seconds are required to produce the batch under the assumptions of batch processing? Round your answer to the nearest whole number._______ secondsHow many seconds are required to produce the batch under the assumptions of single-piece flow processing? Round your answer to the nearest whole number.________ secondsCompare the two solutions in terms of time saved. Round your answer to the nearest whole number.Using the assumptions of (SELECT: batch or single-piece flow) processing saves _______ seconds. 2. Find the amount of tax owed: commercial property valued at $340,000.00; assessed at 25%; taxed at $14.00 per hundreddollars worth of property. electrons in a photoelectric-effect experiment emerge from a aluminum surface with a maximum kinetic energy of 1.30 evev. What is the wavelength of the light? determine whether the function represents exponential growth or exponential decayy=3(1.88) the cardinality of a class is a measure of the number of objects in the class. true or false today your goal should be to finish mp1 by enabling the search bar. T/F margaret mead helped craft a social constructivist view regarding sexuality through her studies of young women in samoa.