GENERAL,ORGANIC,+BIOCHEMISTRY
GENERAL,ORGANIC,+BIOCHEMISTRY
10th Edition
ISBN: 9781260148954
Author: Denniston
Publisher: RENT MCG
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Chapter 7, Problem 7.93QP

(a)

Interpretation Introduction

Interpretation:

Addition of PCl5 in the given equilibrium reaction results in increase, decrease, or no change in the amount of PCl3 has to be predicted.

    PCl3(g)+Cl2(g)PCl5(g)+heat

Concept Introduction:

LeChatelier’s principle states that if a stress is applied on the system that is present at equilibrium, then the system will respond to the stress applied by altering the composition at equilibrium in a way to minimize the stress that is applied.

(a)

Expert Solution
Check Mark

Explanation of Solution

Given equilibrium reaction is,

    PCl3(g)+Cl2(g)PCl5(g)+heat

When stress is applied on a system that is at equilibrium, the system adjusts itself to get relieved from the stress.  PCl5 is present on right side of the equilibrium reaction.  Addition of PCl5 results in shift of equilibrium to the left side as per LeChatelier’s principle.  This results in increased concentration of PCl3.

(b)

Interpretation Introduction

Interpretation:

Addition of Cl2 in the given equilibrium reaction results in increase, decrease, or no change in the amount of PCl3 has to be predicted.

    PCl3(g)+Cl2(g)PCl5(g)+heat

Concept Introduction:

Refer part (a).

(b)

Expert Solution
Check Mark

Explanation of Solution

Given equilibrium reaction is,

    PCl3(g)+Cl2(g)PCl5(g)+heat

When stress is applied on a system that is at equilibrium, the system adjusts itself to get relieved from the stress.  Cl2 is present on left side of the equilibrium reaction.  Addition of Cl2 results in shift of equilibrium to the right side as per LeChatelier’s principle.  This results in decreased concentration of PCl3.

(c)

Interpretation Introduction

Interpretation:

Removal of PCl5 in the given equilibrium reaction results in increase, decrease, or no change in the amount of PCl3 has to be predicted.

    PCl3(g)+Cl2(g)PCl5(g)+heat

Concept Introduction:

Refer part (a).

(c)

Expert Solution
Check Mark

Explanation of Solution

Given equilibrium reaction is,

    PCl3(g)+Cl2(g)PCl5(g)+heat

When stress is applied on a system that is at equilibrium, the system adjusts itself to get relieved from the stress.  PCl5 is present on right side of the equilibrium reaction.  Removal of PCl5 results in shift of equilibrium to the right side as per LeChatelier’s principle.  This results in decreased concentration of PCl3.

(d)

Interpretation Introduction

Interpretation:

Decrease of temperature the given equilibrium reaction results in increase, decrease, or no change in the amount of PCl3 has to be predicted.

    PCl3(g)+Cl2(g)PCl5(g)+heat

Concept Introduction:

Refer part (a).

(d)

Expert Solution
Check Mark

Explanation of Solution

Given equilibrium reaction is,

    PCl3(g)+Cl2(g)PCl5(g)+heat

When stress is applied on a system that is at equilibrium, the system adjusts itself to get relieved from the stress.  As in the given equilibrium reaction, heat energy is liberated, it is an exothermic reaction.  Decrease in temperature shifts the equilibrium to the right.  Therefore, concentration of PCl3 decreases.

(e)

Interpretation Introduction

Interpretation:

Addition of catalyst to the given equilibrium reaction results in increase, decrease, or no change in the amount of PCl3 has to be predicted.

    PCl3(g)+Cl2(g)PCl5(g)+heat

Concept Introduction:

Refer part (a).

(e)

Expert Solution
Check Mark

Explanation of Solution

Given reaction is,

    PCl3(g)+Cl2(g)PCl5(g)+heat

Addition of catalyst increases both rate of forward reaction and reverse reaction.  Therefore, there is no change in concentration of the reactant or product.  There will not be any shift in the equilibrium also.  Addition of catalyst increases the rate at which the equilibrium can be attained only.  Therefore, there will not be any change in concentration of PCl3.

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Chapter 7 Solutions

GENERAL,ORGANIC,+BIOCHEMISTRY

Ch. 7.2 - Prob. 7.7QCh. 7.2 - Prob. 7.8QCh. 7.2 - Prob. 7.5PPCh. 7.3 - Prob. 7.9QCh. 7.3 - Prob. 7.10QCh. 7.3 - Prob. 7.11QCh. 7.3 - Prob. 7.12QCh. 7.3 - Prob. 7.6PPCh. 7.4 - Prob. 7.13QCh. 7.4 - Prob. 7.14QCh. 7.4 - Prob. 7.15QCh. 7.4 - Prob. 7.16QCh. 7.4 - Prob. 7.7PPCh. 7.4 - Prob. 7.8PPCh. 7.4 - Prob. 7.17QCh. 7.4 - Prob. 7.18QCh. 7.4 - Prob. 7.9PPCh. 7.4 - Prob. 7.10PPCh. 7.4 - Prob. 7.11PPCh. 7 - Prob. 7.19QPCh. 7 - State the second law of thermodynamics. Ch. 7 - Describe what is meant by an exothermic reaction. Ch. 7 - Describe what is meant by an endothermic...Ch. 7 - Prob. 7.23QPCh. 7 - Prob. 7.24QPCh. 7 - Explain what is meant by the term free energy....Ch. 7 - Prob. 7.26QPCh. 7 - Prob. 7.27QPCh. 7 - Prob. 7.28QPCh. 7 - Predict whether each of the following processes...Ch. 7 - Predict whether each of the following processes...Ch. 7 - Prob. 7.31QPCh. 7 - Energy is required to break chemical bonds during...Ch. 7 - Prob. 7.33QPCh. 7 - Prob. 7.34QPCh. 7 - Prob. 7.35QPCh. 7 - Prob. 7.36QPCh. 7 - Prob. 7.37QPCh. 7 - Prob. 7.38QPCh. 7 - What are the energy units most commonly employed...Ch. 7 - What energy unit is commonly employed in nutrition...Ch. 7 - Prob. 7.41QPCh. 7 - Prob. 7.42QPCh. 7 - A 5.00-g sample of octane is burned in a bomb...Ch. 7 - Prob. 7.44QPCh. 7 - A 30-g sample of chips is burned in a bomb...Ch. 7 - Prob. 7.46QPCh. 7 - Prob. 7.47QPCh. 7 - Prob. 7.48QPCh. 7 - Prob. 7.49QPCh. 7 - Prob. 7.50QPCh. 7 - Prob. 7.51QPCh. 7 - Prob. 7.52QPCh. 7 - Prob. 7.53QPCh. 7 - Prob. 7.54QPCh. 7 - Prob. 7.55QPCh. 7 - Lactase is an enzyme featured in Chapter 16,...Ch. 7 - Prob. 7.57QPCh. 7 - Prob. 7.58QPCh. 7 - Prob. 7.59QPCh. 7 - Prob. 7.60QPCh. 7 - Prob. 7.61QPCh. 7 - Prob. 7.62QPCh. 7 - Prob. 7.63QPCh. 7 - Prob. 7.64QPCh. 7 - For the equilibrium the rate law is: at 23°C, k...Ch. 7 - Prob. 7.66QPCh. 7 - Prob. 7.67QPCh. 7 - Prob. 7.68QPCh. 7 - Prob. 7.69QPCh. 7 - Prob. 7.70QPCh. 7 - Prob. 7.71QPCh. 7 - Prob. 7.72QPCh. 7 - Prob. 7.73QPCh. 7 - Label each of the following statements as true or...Ch. 7 - Prob. 7.75QPCh. 7 - Prob. 7.76QPCh. 7 - Prob. 7.77QPCh. 7 - Prob. 7.78QPCh. 7 - Prob. 7.79QPCh. 7 - Prob. 7.80QPCh. 7 - Prob. 7.81QPCh. 7 - Prob. 7.82QPCh. 7 - Prob. 7.83QPCh. 7 - Prob. 7.84QPCh. 7 - Prob. 7.85QPCh. 7 - Prob. 7.86QPCh. 7 - Prob. 7.87QPCh. 7 - Prob. 7.88QPCh. 7 - Prob. 7.89QPCh. 7 - Prob. 7.90QPCh. 7 - Prob. 7.91QPCh. 7 - Prob. 7.92QPCh. 7 - Prob. 7.93QPCh. 7 - Prob. 7.94QPCh. 7 - Prob. 7.95QPCh. 7 - Prob. 7.96QPCh. 7 - Prob. 7.97QPCh. 7 - Prob. 7.98QPCh. 7 - Prob. 7.99QPCh. 7 - Prob. 7.100QPCh. 7 - Prob. 7.101QPCh. 7 - Prob. 7.102QPCh. 7 - Prob. 7.103QPCh. 7 - Prob. 7.104QPCh. 7 - Prob. 7.105QPCh. 7 - Prob. 7.106QPCh. 7 - Prob. 1MCPCh. 7 - Prob. 2MCPCh. 7 - Prob. 3MCPCh. 7 - Prob. 4MCPCh. 7 - Prob. 7MCPCh. 7 - Prob. 9MCPCh. 7 - Prob. 10MCP
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