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Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
ISBN: 9781305079373

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Chapter
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BuyFindarrow_forward

Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
ISBN: 9781305079373
Textbook Problem

Sulfur oxychloride, SO2Cl2, decomposes to sulfur dioxide and chlorine gases.

SO 2 Cl 2 ( g ) SO 2 ( g ) +Cl 2 ( g )

At a certain temperature, the equilibrium partial pressures of SO2, Cl2, and SO2Cl2 are 1.88 atm, 0.84 atm, and 0.27 atm, respectively.

(a) What is K at that temperature?

(b) Enough Cl2 condenses to reduce its partial pressure to 0.68 atm. What are the partial pressures of all gases when equilibrium is reestablished?

(a)

Interpretation Introduction

Interpretation: The value of K at given temperature needs to be determined.

Concept Introduction: The system is said to be in equilibrium if the there is no change in the partial pressure or concentration of reactant and product takes place.

For a general equilibrium reaction as follows:

  A(g)+B(g)C(g)+D(g)

The expression for the equilibrium constant is represented as follows:

  K=(PC)(PD)(PA)(PB)

Here, to calculate the equilibrium constant, the values of partial pressure of all the species in reactant and product side are required.

Explanation

The given equilibrium reaction is as follows:

  SO2Cl2(g)SO2(g)+Cl2(g)

The partial pressures of SO2(g) , Cl2(g) and SO2Cl2(g) at equilibrium is given 1

(b)

Interpretation Introduction

Interpretation:The partial pressure of SO2(g) , Cl2(g) and SO2Cl2(g) when equilibrium is reestablished needs to be determined.

Concept Introduction: The system is said to be in equilibrium if the there is no change in the partial pressure or concentration of reactant and product takes place.

For a general equilibrium reaction as follows:

  A(g)+B(g)C(g)+D(g)

The expression for the equilibrium constant is represented as follows:

  K=(PC)(PD)(PA)(PB)

Here, to calculate the equilibrium constant, the values of partial pressure of all the species in reactant and product side are required.

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