Define specific heat of a gas at constant pressure and at constant volume.

Define specific heat of a gas at constant pressure and at constant volume.
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Specific heat of a gas at constant volume:- Specific heat of a gas at constant volume is defined as the amount of heat required to increase the temperature of unit mass of a gas by one degree at constant volume. 

Specific heat of a gas at constant pressure:- Specific heat of a gas at constant pressure is defined as the amount of heat required to increase the temperature of unit mass of a gas by one degree at constant pressure. 
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