Chapter 19, Problem 100AE

Interpretation Introduction

Interpretation:

The equilibrium constant at a given temperature for the given reaction is to be calculated; also, the reason for the difference in $\Delta G^{\circ }$ values and explanation related to reactions is to be determined.

Concept Introduction:

The equilibrium constant of the reaction is calculated by using the formula,

$\Delta G^{\circ }=-RT\ln K$

The difference in the $\Delta G^{\circ }$ values is either due to enthalpy term or due to entropy term.

(a)

To determine:

The equilibrium constant of the given reactions at $25°\text{C}$ and $500°\text{C}$ .

Step 1:

Interpretation Introduction

To determine:

The equilibrium constant of the given reaction at $25°\text{C}$ .

Step 2:

Interpretation Introduction

To determine:

The equilibrium constant of the given reaction at $25°\text{C}$ .

Step 3:

Interpretation Introduction

To determine:

The equilibrium constant of the given reaction at $500°\text{C}$ .

Step 4:

Interpretation Introduction

To determine:

The equilibrium constant of the given reaction at $500°\text{C}$ .

(b)

Interpretation Introduction

To determine:

The reason for the difference between the $\Delta G^{\circ }$ values of the given reactions.

(c)

Interpretation Introduction

To determine:

The explanation of the given statement.

(d)

Interpretation Introduction

To determine:

The most likely completing reaction of methane with oxygen.