Chapter 12, Problem 4RQ

Interpretation Introduction

Interpretation: The difference between the terms ‘ $K$’ and ‘ $K_{\text{p}}$’ is to be stated. The condition when these are equal and when they are unequal is to be determined. The new value of $K$ if the coefficients in a reaction are tripled and the new value of $K_{\text{p}}$ if an equation is reversed is to be determined.

Concept introduction: When the equilibrium constant is expressed in terms of concentration, it is represented as $K$. When the equilibrium constant is expressed in terms of pressure, it is represented as $K_{\text{p}}$.

To determine: The difference between the terms ‘ $K$’ and ‘ $K_{\text{p}}$’; the condition when these are equal and when they are unequal and the new value of $K$ if the coefficients in a reaction are tripled and the new value of $K_{\text{p}}$ if an equation is reversed.