本题目来源于试卷: Physics Unit15: Laws of Thermodynamics，类别为 国际高中通用物理
[单选题]
A system consists of 3.0 kg ofx xd 03q0.xl)q7zd nezf7ph0d water atl7sq7nxuphq:k1cnde,k 41,ta x2 5 ki $80 ^{\circ}C$. 30 J of work is done on the system by stirring with a paddle wheel, while 66 J of heat is removed. What is the change in internal energy of the system?
A. $36 \; J$
B. $-36 \; J$
C. $96 \; J$
D. $-96 \; J$
参考答案: B
本题详细解析:
暂无
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