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Question

Under what conditions does q, the heat evolved or absorbed by the system in a physical or chemical process, equal the change in enthalpy of the system?
1) When q0.
2) When w= 0.
3) When w= -PV.
A) 1 only
B) 2 only
C) 3 only
D) 2 and 3
E) 1, 2, and 3

Answer

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