题目内容

（化学反应熵）封闭系统中, W'= 0 ，恒温、恒压下的化学反应可用来计算系统的熵变。

A. ΔS＝Q／T
B. ΔS＝ΔH／T
C. ΔS＝(ΔH－ΔG)／T
D. ΔS＝nRln( V2／ V1).

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1. With regard to its size, Australia is ______ country in the world.

A. the third largest
B. the fourth largest
C. the fifth largest
D. the sixth largest

2. Most Australians live on the cool, wet, forested ______.

A. southeast coastland
B. southwestcoastland
C. northeastcoastland
D. northwestcoastland

3. Australia is politically divided into states and territories.

A. four/three
B. five/two
C. six/three
D. six/two