天大物理化学第五版课后习题答案[1]

《天大物理化学第五版课后习题答案[1]》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、32．双光气分解反应为一级反应。将一定量双光气迅速引入一个280ºC的容器中，751s后测得系统的压力为2.710kPa；经过长时间反应完了后系统压力为4.008kPa。305ºC时重复试验，经 320s系统压力为2.838kPa；反应完了后系统压力为3.554kPa。求活化能。    解：根据反应计量式，设活化能不随温度变化        33．乙醛(A)蒸气的热分解反应如下             518ºC下在一定容积中的压力变化有如下两组数据：纯乙醛的初压100s后系统总压53.32966.66126.66430.531(1)求反应级数，速率常数；other

2、staffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationof

3、StateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Ministersand(2)若活化能为，问在什么温度下其速率常数为518ºC下的2倍：解：（1）在反应过程中乙醛的压力为，设为n级反应，并令m = n -1，由于在两组实验中kt相同，故有               该方程有解(用MatLab fzero函数求解) m =0.972，。反应

4、为2级。速率常数      （3）    根据Arrhenius公式34．反应中，在25ºC时分别为和，在35ºC时二者皆增为2倍。试求：            （1）25ºC时的平衡常数。            （2）正、逆反应的活化能。            （3）反应热。otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939ser

5、vedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Min

6、istersand            解：（1）               （2）              （3）35．在80% 的乙醇溶液中，1-chloro-1-methylcycloheptane的水解为一级反应。测得不同温度t下列于下表，求活化能和指前因子A。0253545            解：由Arrhenius公式，，处理数据如下3.66103.35403.24523.1432-11.4547-8.0503-6.9118-5.8362otherstaffoftheCentre.Duringthewar,Zhuwastransferredba

7、cktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,