寫作批改
VIP與詳解卡管理
私人筆記( 0 )
45. The figure shows a closed cycle for ..-阿摩線上測驗
【客服暫停服務時間】10/02(三)，影響：阿摩粉絲團、系統回報、信箱、鑽石兌換商城出貨事宜。
|
|
|
45. The figure shows a closed cycle for a gas. From c to b, 60 J is transferred from the gas as heat.
From b to a, 100 J is transferred from the gas as heat, and the magnitude of the work done by the
gas is 80 J. From a to c, 400 J is transferred to the gas as heat. What is the work done by the gas
from a to c?
(A) -240 J
(B) 240 J
(C) 320 J
(D) -320J
(E) -160 J