問題詳情
46. If a gas undergoes a series of pressure (P) and volume (V) changes, as shown below, how much work is done by the gas alongthe path a→b→c→d→e→f→a? 
(A) 20 J
(B) 30 J
(C) 40 J
(D) 50 J
(E) 60 J
參考答案
無參考答案
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