複選題
21. One mole of an ideal gas at 20 °C is expanded isothermally and reversibly from 100 L to 200 L. Which statement is correct?
(A)△ Sgas = 0
(B) △ Ssurr = 0
(C) △ Suniv = 0
(D) △ Sgas = Rln2
(E) △ Sgas = △Ssurr
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統計: A(1), B(5), C(35), D(45), E(6) #2020325
統計: A(1), B(5), C(35), D(45), E(6) #2020325