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Questions  

A system performs work  ΔW when an amount of heat is ΔQ added to the system, the corresponding change in the internal energy is ΔU . A unique function of the initial and final states (irrespective of the mode of change) is 

a
ΔQ
b
ΔW
c
ΔU and ΔQ
d
ΔU

detailed solution

Correct option is D

Change in internal energy (ΔU) depends upon initial an final state of the function while ΔQ and ΔW are path dependent also.

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