In a certain process, a sample of gas does 950 J of work and releases 500...
In a certain process, a sample of gas does 950 J of work and releases 500 J of heat into the environment. What is the resulting change of the internal energy ∆E of the gas sample in this process?
(A) −1450 J (B) +1450 J (C) +450 J (D) −450 J (E) −500 J
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