5 mol single atomic perfect gas，from the initial state of 300K, 50kPa is firstly adiabatical reversible compressed to 100 kPa, then isobaricly cooled to decrease the volume to 85dm3 .Calculate W, Q,△U, △H and △S of the whole process.
答案：Q＝-19.892kJ,W=13.935kJ,△U=-5.958kJ，△H=-9.930kJ,△S=-68.66J/K 5. 甲醇在101.325kPa下的沸点（正常沸点）为64.65℃，在此条件下的摩尔蒸发焓
?vapHm?35.32kJ?mol?1。求在上述温度压力下，1kg甲醇全部成为甲醇蒸气时的
Q,W,△U，△H，△S,△A及△G
At 101.325kPa, the boiling point of CH3OH is 64.65℃, ?vapHm?35.32kJ?mol at this condition. Calculate Q,W,△U,△H，△S,△A and △G of the following process: 1kg CH3OH (l, 64.65℃,101.325kPa)→CH3OH (g, 64.65℃,101.325kPa)
答案：Q＝△H＝1102.65kJ,W=-87.65kJ,△U=1014.65kJ，△S=3.263kJ/K，△A=-86.58kJ，△G=0
6. 已知水的沸点是100℃，摩尔定压热容Cp,m?H2O,l??75.20J?mol?K,汽化
?1?1?1焓?vapHm?40.67kJ?mol，水气摩尔定压热容
?1Cp,m?H2O,g??33.57J?mol?1?K?1(摩尔定压热容可视为与温度无关)，求过程：
1molH2O(l,60℃,101325Pa) →1molH2O(g,60℃,101325Pa)的Q,W,△U，△H，△S,△A及△G Given the boiling point of water is 100℃, Cp,m?H2O,l??75.20J?mol?K,
?1?1?vapHm?40.67kJ?mol?1, Cp,m?H2O,g??33.57J?mol?1?K?1( don’t change with
temperature),
Calculate Q,W,△U，△H，△S,△A and △G of the following process: 1molH2O(l,60℃,101325Pa) →1molH2O(g,60℃,101325Pa)
答案：Q＝△H＝42.34kJ,W=-2.77kJ,△U=39.57kJ，△S=113.7J/K,△A=1.69kJ，△G=4.06kJ
7. 已知1mol、-5℃、100kPa的过冷液体苯完全凝固为－5℃、100kPa固态苯的熵变化为-35.5J/K,固态苯在－5℃时的蒸气压为2280Pa,摩尔熔化焓为9874J/mol。计算过冷液态苯在－5℃时的蒸气压。
Given that △S of the process 1molC6H6(l,-5℃,100kPa) →1molC6H6 (s,-5℃, 100kPa), 答案：2680Pa
8. 4mol理想气体从300K、p?恒压加热到600K,求此过程的Q、W、△U、△H、△S、
?△A、△G。已知此理想气体的Sm(300K)=150.0J·K-1·mol-1，Cp,m =30.00J·K-1·mol-1
4 mol perfect gas from the initial state of 300K, p? isobaricly heated to 600K. Calculate Q,W,△U,△H,△S,△A and △G of the proce