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Question

For a closed system, difference between the heat added to the system and work done by the gas, is equal to the change in ________ .

A.

Enthalpy

B.

Entropy

C.

Internal energy

D.

Temperature

Answer ( Option C)

Internal energy

Solution

For a closed system, difference between the heat added to the system and work done by the gas, is equal to the change in internal energy.

Refer Sol. 3.2 for more details

Hence, the correct option is (C).

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