Question

The heat of formation of methane at constant
pressure is -74.876 kJ at 298 K. The heat of
formation at constant volume will be,
[R = 8.314 x 10-3 kJ Kmoll
a) -60.5 kJ
b) -48.6 kJ
c) -78.4 kJ
dy-72.4 kJ​

Answer 1

Answer:

use Qp at constant pressure and Qv at constant vol.