(a) Interpretation: The change in concentration of FeCl 2 + due to the addition of Fe ( NO 3 ) 3 needs to be determined using Le Chatelier’s principle. Concept introduction: According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant. If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

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Answer 1

Question

Chapter 15, Problem 15.125SP

Interpretation Introduction

(a)

Interpretation:

The change in concentration of FeCl2+ due to the addition of Fe(NO3)3 needs to be determined using Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(b)

Interpretation:

The change in concentration of FeCl2+ due to the precipitation Cl- as AgCl by addition of AgNO3 needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(c)

Interpretation:

The change in the concentration of FeCl2+ due to increasing temperature needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(d)

Interpretation:

The change in concentration of FeCl2+ due to the addition of catalyst needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

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Answer 2

Question

Chapter 15, Problem 15.125SP

Interpretation Introduction

(a)

Interpretation:

The change in concentration of FeCl2+ due to the addition of Fe(NO3)3 needs to be determined using Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(b)

Interpretation:

The change in concentration of FeCl2+ due to the precipitation Cl- as AgCl by addition of AgNO3 needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(c)

Interpretation:

The change in the concentration of FeCl2+ due to increasing temperature needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(d)

Interpretation:

The change in concentration of FeCl2+ due to the addition of catalyst needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

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Answer 3

Question

Chapter 15, Problem 15.125SP

Interpretation Introduction

(a)

Interpretation:

The change in concentration of FeCl2+ due to the addition of Fe(NO3)3 needs to be determined using Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(b)

Interpretation:

The change in concentration of FeCl2+ due to the precipitation Cl- as AgCl by addition of AgNO3 needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(c)

Interpretation:

The change in the concentration of FeCl2+ due to increasing temperature needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(d)

Interpretation:

The change in concentration of FeCl2+ due to the addition of catalyst needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

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Answer 4

Question

Chapter 15, Problem 15.125SP

Interpretation Introduction

(a)

Interpretation:

The change in concentration of FeCl2+ due to the addition of Fe(NO3)3 needs to be determined using Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(b)

Interpretation:

The change in concentration of FeCl2+ due to the precipitation Cl- as AgCl by addition of AgNO3 needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(c)

Interpretation:

The change in the concentration of FeCl2+ due to increasing temperature needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(d)

Interpretation:

The change in concentration of FeCl2+ due to the addition of catalyst needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

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Answer 5

Chapter 15, Problem 15.125SP

Interpretation Introduction

(a)

Interpretation:

The change in concentration of FeCl2+ due to the addition of Fe(NO3)3 needs to be determined using Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(b)

Interpretation:

The change in concentration of FeCl2+ due to the precipitation Cl- as AgCl by addition of AgNO3 needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(c)

Interpretation:

The change in the concentration of FeCl2+ due to increasing temperature needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Interpretation Introduction

(d)

Interpretation:

The change in concentration of FeCl2+ due to the addition of catalyst needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 6

Chapter 15, Problem 15.125SP

Interpretation Introduction

(a)

Interpretation:

The change in concentration of FeCl2+ due to the addition of Fe(NO3)3 needs to be determined using Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 7

Chapter 15, Problem 15.125SP

Interpretation Introduction

(a)

Interpretation:

The change in concentration of FeCl2+ due to the addition of Fe(NO3)3 needs to be determined using Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The change in concentration of FeCl2+ due to the precipitation Cl- as AgCl by addition of AgNO3 needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The change in concentration of FeCl2+ due to the precipitation Cl- as AgCl by addition of AgNO3 needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The change in the concentration of FeCl2+ due to increasing temperature needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The change in the concentration of FeCl2+ due to increasing temperature needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The change in concentration of FeCl2+ due to the addition of catalyst needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The change in concentration of FeCl2+ due to the addition of catalyst needs to be explained using the Le Chatelier’s principle.

Concept introduction:

According to Le Chatelier’s principle, if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance. For example, if number of moles or pressure of reactant is increased, the reaction will shift in forward direction to decrease the number of moles or pressure of the reactant.

If temperature is increased, the reaction moves to forward direction for an endothermic reaction and it moves to backward direction for exothermic reaction.

Answer 14

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Answer 15

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Answer 16

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Answer 17

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Solution Summary: The author explains Le Chatelier's principle that if equilibrium is disturbed by changing the number of moles, pressure and temperature, the equilibrium will shift to remove the disturbance.

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