The Heat Capacity at Constant Volume and the Heat Capacity

Multiple Choice

The heat capacity at constant volume and the heat capacity at constant pressure have different values because:

A) heat increases the internal energy at constant volume but not at constant pressure
B) heat increases the internal energy at constant pressure but not at constant volume
C) the system does work at constant volume but not at constant pressure
D) the system does work at constant pressure but not at constant volume
E) the system does more work at constant volume than at constant pressure