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Question

According to the first law of thermodynamics which of the following quantities represents the change in a state function?


A
qreV
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B
qreVWreV
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C
qreVWreV
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D
qreV+WreV
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Solution

The correct option is D $$\displaystyle { q }_{ reV }+{ W }_{ reV }$$
A state function is a property whose value does not depend on the path taken to reach that specific value.
Internal energy is an example of state function.
$$\Delta E={ q }_{ rev }+{ w }_{ rev }$$
Whereas heat and work done are not state functions.

Chemistry

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