5
Example 3 5
Example 3 5
Solution
Solution
Solution
Solution
Solution
Let us consider a typical first order gas phase reaction
A(g) ® B(g) + C(g)
Let pi be the initial pressure of A and pt the total pressure at
time ‘t’ Integrated rate equation for such a reaction can be derived  as
Total pressure pt = pA + pB + pC (pressure units)
Rationalised 2023-24
75
Chemical Kinetics
pA, pB and pC are the partial pressures of A, B and C, respectively