天津大学 第五版 物理化学上册习题答案

?KnRVpT70.3003145.8210501010033111????????KnRVpT4.6013145.8210501020033222????????KnRVpT70.3003145.8210251020033333????????kJJVVpW00.5500010)5025(10200)(331322?????????????kJWkJWW00.5W W;00.5;02121?????0H0,U;70.30031???????KTT?-5.00kJ-WQ0,U?????2-114mol某理想气体,RCmP25,?。由始态100kPa,100dm3,先恒压加热使体积升增大到150dm3,再恒容加热使压力增大到150kPa。求过程的W,Q,△H和△U。解:过程为3303231150150415010041001004dmkPaTmoldmkPaTmoldmkPaTmolWW????????KnRVpT70.3003145.84101001010033111????????;KnRVpT02.4513145.84101501010033222????????KnRVpT53.6763145.84101501015033333????????kJJVVpW00.5500010)100150(10100)(331311???????????????kJWkJWW00.5W W;00.5;02112???????)(23)(13,,dTnCUTTmpTTmV??????????kJJ75.1818749)70.30053.676(314.8234???????)(2513,TTRndTnCHTTmP???????kJJ25.3131248)70.30053.676(314.8254???????kJkJkJWUQ23.75)00.5(75.18???????