A) \[\Delta E=\Delta Q+\Delta W\]
B) \[\Delta E=\Delta Q+\Delta W\]
C) \[\Delta E =\Delta Q+\Delta W\]
D) \[\Delta E =Q-W\]
Correct Answer: C
Solution :According to the first law of thermodynamics, Change in internal energy = Heat added to the system + Work done on the system. Hence, \[\Delta E=Q+W.\] Hence, the correct option is (c).
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