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【简答题】
热力学第二定的卡尔文-普朗克表述是从 （ ）角度阐述。
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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】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.
相关题目：
【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】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.
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