Chapter 12.2, Problem 12.1PSP

(a)

Interpretation Introduction

Interpretation:

The equilibrium constant expression for the reaction ${\text{CaCO}}_{\text{3(s)}}\rightleftharpoons {\text{ CaO}}_{\text{(s)}}{\text{ + CO}}_{\text{2(g)}}$ has to be written.

Concept Introduction:

Equilibrium constant: At equilibrium the ratio of products to reactants (each raised to the power corresponding to its stoichiometric coefficient) has a constant value, K

For a general reaction,

  $\text{aA+bB}\rightleftarrows \text{cC+dD}$

  $\text{Equilibrium}\text{constant}\text{K}\text{=}\frac{{\left[\text{C}\right]}^{\text{c}}{\left[\text{D}\right]}^{\text{d}}}{{\left[\text{A}\right]}^{\text{a}}{\left[\text{B}\right]}^{\text{b}}}$

(b)

Interpretation Introduction

Interpretation:

The equilibrium constant expression for the reaction ${\text{HCl}}_{\text{(g)}}{\text{ + LiH}}_{\text{(s)}}\rightleftharpoons {\text{ H}}_{\text{2(g)}}{\text{ + LiCl}}_{\text{(s)}}$ has to be written.

Concept Introduction:

Refer part (a) for concept.

(c)

Interpretation Introduction

Interpretation:

The equilibrium constant expression for the reaction ${\text{CH}}_{\text{4}}{}_{\text{(g)}}{\text{ + H}}_{\text{2}}{\text{O}}_{\text{(g)}}\rightleftharpoons {\text{ CO}}_{\text{(g)}}{\text{ + 3H}}_{\text{2}}{}_{\text{(g)}}$ has to be written.

Concept Introduction:

Refer part (a) for concept.

(d)

Interpretation Introduction

Interpretation:

The equilibrium constant expression for the reaction ${\text{CN}}^{-}{}_{\text{(aq)}}{\text{ + H}}_{\text{2}}{\text{O}}_{\text{(l)}}\rightleftharpoons {\text{ HCN}}_{\text{(aq)}}{\text{ + OH}}^{-}{}_{\text{(aq)}}$ has to be written.

Concept Introduction:

Refer part (a) for concept.