If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system, then the increase in the internal energy ∆U is

Options

(a) ∆W+∆Q
(b) ∆W-∆Q
(c) ∆Q-∆W
(d) {-(∆Q-∆W)}

Correct Answer:

∆Q-∆W

Explanation:

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