問題詳情

9. A gas in a cylinder starts from initial state i to finialstate f through 4 different paths as shown in the figure.Regarding to the heat energy, work, and internalenergy, which statements is incorrect?


(A) Path 1 is isobaric expansion, gas must be heated.
(B) Path 2 is isothermal expansion； no work is involved in this process.
(C) Path 3 is adiabatic expansion, therefore no heat transfer occurred.
(D) Path 4 is isochoric cooling； heat is extracted out of gas.
(E) Gas do not do work for path 4 only.

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增