問題詳情

27.tA gas releases 2.0 J of heat and then performs 11.8 Jof woric. What is the change in the internal energy
of the gas?
(A)-13.8 J
(B)9.8Jt
(C)-9.8Jt
(D)2.0Jt
(E) 13.8 J

參考答案

答案：A

統計：A:3,B:0,C:0,D:0,E:0

難度：計算中