The mass of chromium ( III ) oxide produced by the decomposition of 1 .54 g of ammonium dichromate is to be calculated. Concept introduction: Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented at the left side of the arrow while the products are represented on the right of the arrow. Stoichiometric coefficient is the number preceding each symbol in a reaction which determines the moles of the reactants and products in the reaction.

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Answer 1

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Definition Definition Number that is expressed before molecules, ions, and atoms such that it balances out the number of components present on either section of the equation in a chemical reaction. Stoichiometric coefficients can be a fraction or a whole number and are useful in determining the mole ratio among the reactants and products. In any equalized chemical equation, the number of components on either side of the equation will be the same.

Chapter 9, Problem 81E

Interpretation Introduction

Interpretation:

The mass of chromium (III) oxide produced by the decomposition of 1.54 g of ammonium dichromate is to be calculated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented at the left side of the arrow while the products are represented on the right of the arrow.

Stoichiometric coefficient is the number preceding each symbol in a reaction which determines the moles of the reactants and products in the reaction.

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Using reaction free energy to predict equilibrium composition Consider the following equilibrium: N2 (g) + 3H2 (g) = 2NH3 (g) AG⁰ = -34. KJ Now suppose a reaction vessel is filled with 8.06 atm of nitrogen (N2) and 2.58 atm of ammonia (NH3) at 106. °C. Answer the following questions about this system: ? rise Under these conditions, will the pressure of N2 tend to rise or fall? ☐ x10 fall Is it possible to reverse this tendency by adding H₂? In other words, if you said the pressure of N2 will tend to rise, can that be changed to a tendency to fall by adding H₂? Similarly, if you said the pressure of N2 will tend to fall, can that be changed to a tendency to rise by adding H₂? If you said the tendency can be reversed in the second question, calculate the minimum pressure of H₂ needed to reverse it. Round your answer to 2 significant digits. yes no ☐ atm ☑ 5 00. 18 Ar

Answer 2

Question

Definition Definition Number that is expressed before molecules, ions, and atoms such that it balances out the number of components present on either section of the equation in a chemical reaction. Stoichiometric coefficients can be a fraction or a whole number and are useful in determining the mole ratio among the reactants and products. In any equalized chemical equation, the number of components on either side of the equation will be the same.

Chapter 9, Problem 81E

Interpretation Introduction

Interpretation:

The mass of chromium (III) oxide produced by the decomposition of 1.54 g of ammonium dichromate is to be calculated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented at the left side of the arrow while the products are represented on the right of the arrow.

Stoichiometric coefficient is the number preceding each symbol in a reaction which determines the moles of the reactants and products in the reaction.

Expert Solution & Answer

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Answer 3

Question

Definition Definition Number that is expressed before molecules, ions, and atoms such that it balances out the number of components present on either section of the equation in a chemical reaction. Stoichiometric coefficients can be a fraction or a whole number and are useful in determining the mole ratio among the reactants and products. In any equalized chemical equation, the number of components on either side of the equation will be the same.

Chapter 9, Problem 81E

Interpretation Introduction

Interpretation:

The mass of chromium (III) oxide produced by the decomposition of 1.54 g of ammonium dichromate is to be calculated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented at the left side of the arrow while the products are represented on the right of the arrow.

Stoichiometric coefficient is the number preceding each symbol in a reaction which determines the moles of the reactants and products in the reaction.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Number that is expressed before molecules, ions, and atoms such that it balances out the number of components present on either section of the equation in a chemical reaction. Stoichiometric coefficients can be a fraction or a whole number and are useful in determining the mole ratio among the reactants and products. In any equalized chemical equation, the number of components on either side of the equation will be the same.

Chapter 9, Problem 81E

Interpretation Introduction