Chapter 11, Problem 11.99PAE

Interpretation Introduction

Interpretation: T

o determine that why high temperature is used in Haber process

Concept introduction:

The dependence of temperature on the chemical kinetics is given by the relation:

${\text{k=Ae}}^{{\text{-E}}_{\text{a}}\text{/RT}}$

Given:

Haber process:

${\text{N}}_{\text{2}}{\text{(g)+3H}}_{\text{2}}\text{(g)}\to {\text{2NH}}_{\text{3}}\text{(g)}$

$\text{ΔH° and ΔS°}$ are negative for this process which means thermodynamically low temperature is favored.

The industrial reaction is carried out at $\text{400}°\text{C and 600}°\text{C}$.

Industrial production of ammonia is responsible for $1\%$ of the world’s total energy consumption