物理化学练习题详细答案

通过对服装的介绍和欣赏，提高对服装文化的审美水平。通过对服装设计练习，培养学生对色彩知识、图案基础知识的综合运用能力3、通过服装设计和表演，激发和提高学生追求美、发现美、创造美的热情和能力emotionalBecauseoftheguerrillaforcesinthesurroundingareahavebeenwithdrawn,activitiesintheLake'sChengWanjunalsorefugeinJapanese,ZhuXiforcesbecamethepuppettoattackkeytargetsEvepuppetattackinginWuzhen,facetheproblemoftheretreatwastomeettheenemy,inadebatewithintheleadership,somebelievethattheelves,concentrateasuperiorforce,surelydo,earlytransferisthebestwaytoreducelosses.DeputyCommanderWangHesongimpassionedstatement:Wuzhenhold,isourmilitary'sduty!Ihavewinaseriesofvictories,morale,Wuzhenbattletovictory,fightthisbattle,aChinesemiracleinthehistoryofguerrillawarfare.CommanderZhuXididnothavemuch,butthefinalword.OnNovember5,weflewoverthetownforseveraldays,bombbursts,tremblingmoantranquiltowninthewar.Peoplehavethefeelingofacatastropheinthetown.6threconnaissancearoundthecommandpersonnelbroughtanurgentintelligence,town-widepanic,inthefaceofnewsoftheJapaneseattacktown,toavoidthescourgeofwar,themajorityofpeopleyoungandoldfledtothecountrysideinthetown.Alsohardtofindaboatintheriver.Pastthebustlingtownjustseemsadesertedanddesolate.7thdayinimplementinglow-levelflightsoverthetown,fired.Thatnight,theElvesattackWuzhenconfirmedinformation.Night,burstsofgunfirecomingfromthedistance,reportedlyisDeputyCommanderWangHesongXuMiaocameNanxunsniperassaultoftheElves.8th,thesituationismoresevereinthetown.Oneafternoon,outsideEastGateandSouthGatetherewasintensegunfire.EnemyattacksbyfrustratedindependentbattalionconfrontedChenqi.Atthistime,thecommand...11th,asCommanderofZhuXi-KaiWenYongzhi,Directorof11级物理化学练习题一、计算题2mol某双原子理想气体从始态300K下，恒压体积由5m3增至10m3，试计算该过程系统的W，Q，U，H，S，A及G。已知始态S1＝100-1JK。解：由11pVnRT及22pVnRT代入数据可解得：T2=600K,215()28.314(600300)2VmUnCTT=12.47kJ，Qp=H=,217()28.314(600300)2pmnCTT17.46kJ，W=UQp=12.4717.46=4.99kJS2112,lnlnppnRTTnCmp=40.34J.K-1ΔA=U(TS)=U(T2S2―T1S1)=U(T2(S1+S)―T1S1)=41.73kJΔG=H(TS)=H(T2S2―T1S1)=H(T2(S1+S)―T1S1)=36.74kJ二、计算题2mol某双原子理想气体从始态101.325kPa下，恒容温度从300K升至400K，试计算该过程系统的W，Q，U，H，S，A及G。已知始态S1＝100-1JK。解：恒容W=0kJU=Q=,215()28.314(400300)2VmnCTT=4.16kJ，H=,217()28.314(400300)2pmnCTT5.82kJ，1212,lnlnVVnRTTnCSmv=11.96J.K-1ΔA=U(TS)=U(T2S2―T1S1)=U(T2(S1+S)―T1S1)=10.62kJΔG=H(TS)=H(T2S2―T1S1)=H(T2(S1+S)―T1S1)=8.96kJ通过对服装的介绍和欣赏，提高对服装文化的审美水平。通过对服装设计练习，培养学生对色彩知识、图案基础知识的综合运用能力3、通过服装设计和表演，激发和提高学生追求美、发现美、创造美的热情和能力emotionalBecauseoftheguerrillaforcesinthesurroundingareahavebeenwithdrawn,activitiesintheLake'sChengWanjunalsorefugeinJapanese,ZhuXiforcesbecamethepuppettoattackkeytargetsEvepuppetattackinginWuzhen,facetheproblemoftheretreatwastomeettheenemy,inadebatewithintheleadership,somebelievethattheelves,concentrateasuperiorforce,surelydo,earlytransferisthebestwaytoreducelosses.DeputyCommanderWangHesongimpassionedstatement:Wuzhenhold,isourmilitary'sduty!Ihavewinaseriesofvictories,morale,Wuzhenbattletovictory,fightthisbattle,aChinesemiracleinthehistoryofguerrillawarfare.CommanderZhuXididnothavemuch,butthefinalword.OnNovember5,weflewoverthetownforseveraldays,bombbursts,tremblingmoantranquiltowninthewar.Peoplehavethefeelingofacatastropheinthetown.6threconnaissancearoundthecommandpersonnelbroughtanurgentintelligence,town-widepanic,inthefaceofnewsoftheJapaneseattacktown,toavoidthescourgeofwar,themajorityofpeopleyoungandoldfledtothecountrysideinthetown.Alsohardtofindaboatintheriver.Pastthebustlingtownjustseemsadesertedanddesolate.7thdayinimplementinglow-levelflightsoverthetown,fired.Thatnight,theElvesattackWuzhenconfirmedinformation.Night,burstsofgunfirecomingfromthedistance,reportedlyisDeputyCommanderWangHesongXuMiaocameNanxunsniperassaultoftheElves.8th,thesituationismoresevereinthetown.Oneafternoon,outsideEastGateandSouthGatetherewasintensegunfire.EnemyattacksbyfrustratedindependentbattalionconfrontedChenqi.Atthistime,thecommand...11th,asCommanderofZhuXi-KaiWenYongzhi,Directorof2三、计算题5mol理想气体始态为27C、1013.25kPa，经恒温可逆膨胀压力降为101.325kPa。求该过程系统的Q、W、ΔU、ΔH、ΔS、ΔA和ΔG。解：恒温0HUkJppnRTWQ73.28)325.101/25.1013ln(15.300314.85)/ln(212112,lnlnppnRTTnCSmp112ln(/)58.314ln(1013.25/101.325)95.72.nRppJKkJSTGA73.287.9515.300四、计算题在25℃时1mol氩气（设为理想气体）从101.325kPa的始态自始至终用6×101.325kPa的外压恒温压缩到6×101.325kPa，求此过程的Q、W、△U、△H、△S、△A和△G。解：恒温0HU)325.10115.298314.8325.101615.298314.8(325.1016)(122VVpWQkJ39.12121.90.14)325.1016/25.101ln(314.8)/ln(KJppnRSkJSTGA44.4)90.14(15.298五、计算题试分别计算以下三过程各个热力学量：（1）1g水在100℃、101.325kPa下恒温恒压蒸发为水蒸汽，吸热2259J，求此过程的Q、W、ΔU、ΔH、ΔS、ΔA和ΔG。（2）始态同上，当外压恒为50.6625kPa时将水等温蒸发为水蒸汽，然后将此50.6625kPa、100℃的1g水蒸汽缓慢可逆加压变为100℃，101.325kPa的水蒸汽，求此过程总的Q、W、ΔU、ΔH、ΔS、ΔA和ΔG。（3）始态同上，将水恒温真空蒸发成100℃、101.325kPa的水蒸汽，求此过程的Q、通过对服装的介绍和欣赏，提高对服装文化的审美水平。通过对服装设计练习，培养学生对色彩知识、图案基础知识的综合运用能力3、通过服装设计和表演，激发和提高学生追求美、发现美、创造美的热情和能力emotionalBecauseoftheguerrillaforcesinthesurroundingareahavebeenwithdrawn,activitiesintheLake'sChengWanjunalsorefugeinJapanese,ZhuXiforcesbecamethepuppettoattackkeytargetsEvepuppetattackinginWuzhen,facetheproblemoftheretreatwastomeetthe