Chapter 6, Problem 6.12NP

Interpretation Introduction

Interpretation : The value of $\Delta H_R^0\text{ at 125}{\text{.0 }}^0\text{C}$ should be calculated for the reaction ${\text{C(graphite) + H}}_2\text{O(g) }\rightleftharpoons {\text{ CO(g) + H}}_2\text{(g) }$ .

Concept Introduction :

The change in enthalpy can be calculated as follows:

  $\Delta H(T_2)=\Delta H(T_1)+\Delta C_{P,m}(T_2-T_1)$

Here,

  $\begin{array}{l}\Delta H\text{ - enthalpy change}\\ \text{T - temperature}\\ \Delta {\text{C}}_{P,m}\text{ - molar specific heat capacity change at constant pressure}\end{array}$