Question

The difference between heats of reaction at constant pressure and constant volume for the reaction 

2C₆H₆ (l)+ 15O₂ ---> 12CO₂ (g ) + 6H₂O(l) at 25° C in kJ is

(a) -7.43

(b) +3.72

(c) -3.72

(d) +7.43

Answer 1

The correct option is (a) -7.43.

Explanation: