Module 3 : Reaction Thermodynamics

Lecture 8 : Reactive systems

Example 3:

For the reaction and , the value of are 55,000 and 61,800 cal/gmol respectively. Find the equilibrium constant for estimate equilibrium composition of mixture.

Solution

  ΔG°298 = 55500
  ΔG°298 = 61800
  ...............................................................................
   
Substraction ΔG°298 = -6300

From the equation
We get


At equilibrium,


Equilibrium composition: