阿摩線上測驗
9. According to the First Law of Thermodynamics, if a closed system absorbs heat Q from its surroundings and does work W on its surroundings, what is the change in the internal energy of the system, ΔU? (Sign convention: heat absorbed is positive, work done by the system is positive)
(A) ΔU = Q + W
(B) ΔU = Q - W
(C) ΔU = W - Q
(D) ΔU = -Q - W
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統計： A(1), B(4), C(0), D(0), E(0) #3840119
統計： A(1), B(4), C(0), D(0), E(0) #3840119
