体系由状态1可逆变化到状态2,该过程㶲变化等于( )
A:
B:
C:
D:
A:
B:
C:
D:
举一反三
- 关于逸度系数的描述不正确的是( ) A: <img src="https://image.zhihuishu.com/zhs/app/uploadimage/202104/1b6b41d63e2e46a38857469a12285e55.jpg" data-latex="{\phi }_{i}"/>—表示真实气体与理想气体的偏差 B: <img src="https://image.zhihuishu.com/zhs/app/uploadimage/202104/aaf088eb28cf4ec0ad28d73b6d5bd164.jpg" data-latex="{\phi }_{i}<1"/>—分子间有较强吸引力 C: 其他选项均不正确 D: <img src="https://image.zhihuishu.com/zhs/app/uploadimage/202104/f8a0687bacdb489ea9207b69e729a78d.jpg" data-latex="{\phi }_{i}>1"/>—分子间有较强排斥力
- <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/c3b75de7a0ff4216a7c936dfa863e921.PNG" /> A: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/9bc090082ac447aab731646e7ce4a372.PNG" /> B: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/5666843a7db64c75a2ec586b2db2f35f.PNG" /> C: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/fd98481c51284a9db6d3c21bd7fa60ca.PNG" /> D: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/6f7725736cf84d439343d0c213a650e7.PNG" />
- <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/9b4d8d9a44a447c2af0bf584f998415d.PNG" /> A: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/189e9a57dc014ea8900a1c5f439cd232.PNG" /> B: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/674e45e808174455ad0e186c323d1505.PNG" /> C: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/d383f19ca7094dfdaaa9c71c2b63d924.PNG" /> D: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/995fe28645a0486cbcd43885cdc51a76.PNG" />
- <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/8fe7daa028204d39a2138b39d2f9d72d.PNG" /> A: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/386b634b9aca4679881e6341dccc8f05.PNG" /> B: f(x)=1 C: f(x)= -1 D: <img src="https://image.zhihuishu.com/zhs/teacherExam_h5/COMMONUEDITOR/202104/8b275b97e5fb4087b7f6018fbcf73ec0.PNG" />
- 设集合A={1,2,3} 到B={a,b,c,d} 的关系 f= {<1,a>, <2,b>, <3,d>},则下列说法正确的是( )。 A: f是一个双射函数 B: <img src="https://image.zhihuishu.com/zhs/app/uploadimage/202103/38e87af32e9445dfb9eeacd5f1db60c3.jpg" data-latex="{f}^{-1}是一个函数"/> C: <img src="https://image.zhihuishu.com/zhs/app/uploadimage/202103/3662f0075ef14f888aa09956e532bec5.jpg" data-latex="{f}^{-1}=\{ <a,1>,<b,2>,<d,3>\} "/> D: f是一个单射函数