本题目来源于试卷: Physics Unit15: Laws of Thermodynamics，类别为 通用国际物理
[单选题]
An ideal gas is compressed io u +falo8*mw2sothermally from c-8fjum9jk -w *fpp)f 30 L to 20 L. During this process, 6.0 J of energy is expended by the external mechanism that comprefpuf*p jf-) c-wkj 89mssed the gas. What is the change of internal energy for this gas?
A. $6.0 \; J$
B. zero
C. $-6.0 \; J$
D. none of the above
参考答案: B
本题详细解析:
暂无
| 
