logo - 刷刷题
下载APP
【简答题】

试由二元系固溶体(Ω<0)吉布斯自由能曲线说明固溶体中出现成分不均匀在热力学上是不稳定的。

举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】按照热力学上通常的规定,下列反应中ΔrHm和生成物的ΔfHm相等的是…( )

A.
CaO(s)+CO2(g) →CaCO3
B.
6Li(s)+N2(g) →2Li3N(s)
C.
1/2H2(g)+1/2Br2(l) →HBr(g)
D.
2H2(g)+ O2(g)→2H2O(g)

【单选题】蒸馏过程的热力学基础是( )。

A.
溶解平衡
B.
气液平衡
C.
吸附平衡
D.
离子交换平衡

【单选题】热力学中平衡态指______。

A.
系统宏观性质不随时间改变的状态
B.
没有外界作用时系统宏观性质不随时间改变的状态
C.
外界作用不变时,系统宏观性质不随时间改变的状态
D.
没有外界作用时的状态

【单选题】Many objects in daily use have clearly been influenced by science, but their form and function, their dimensions and appearance were determined by technologists, artisans, designers, inventors, and en...

A.
Mathematical thinking is essential to any design course.
B.
Nonverbal thinking has its advantage over other perceptive processes.
C.
Engineering design demands scientific thought.
D.
Artists play a primitive role in engineering design.

【单选题】下列热力学条件中,有利于脱硫的是( )。

A.
高温、高R、高[O]
B.
高温、高R、低[O]
C.
低温、高R、高[O]