   Chapter 17, Problem 46QAP ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
9 views

# . Consider the reaction SO 2 ( g ) + NO 2 ( g ) ⇌ SO 3 ( g ) + NO ( g )    Suppose it is found at a particular temperature that the concent rations in the system a equilibrium are as follows: [ SO 3 ( g ) ] = 4.99 × 10 − 5 M , [ NO ( g ) ] = 6.31 × 10 − 7 M , [ SO 2 ( g ) ] = 2.11 × 10 − 2 M , and [ NO 2 ( g ) ] = 1.73 × 10 − 3 M . Calculate the value of K for the reaction at this temperature.

Interpretation Introduction

Interpretation:

The value of K for the given reaction is to be calculated.

Concept Introduction:

In a balanced chemical reaction, the value of ratio of product of concentration of products raised to their respective stoichiometric coefficients by the concentration of reactants raised to their respective stoichiometric coefficients is constant. This constant is known as equilibrium constant and is denoted by K.

Explanation

The given reaction is,

SO2(g)+NO2(g)SO3(g)+NO(g)

The expression of equilibrium constant for general reaction is,

K=[Product][Reactant]

Therefore, the expression of equilibrium constant for given reaction is,

K=[Product][Reactant]=[SO3][NO][SO2][NO2] (1)

The given concentration value of [SO3] is 4.99×105M.

The given concentration value of [NO] is 6.31×107M.

The given concentration value of [SO2] is 2

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