《(完整word版)物理化学练习题详细答案.pdf》由会员分享,可在线阅读,更多相关《(完整word版)物理化学练习题详细答案.pdf(7页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、1 11 级物理化学练习题一、计算题2mol 某双原子理想气体从始态300 K 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S1100-1J K。解:由11pVnRT及22pVnRT代入数据可解得:T2=600K,215()28.314(600300)2V mUnCTT=12.47kJ,Qp=H=,217()28.314(600300)2p mnCTT17.46kJ,W=U Qp=12.47 17.46=4.99 kJ S2112,lnlnppnRTTnCmp=40.34 J.K-1A=U(TS)=U(T2S2T1S1)=U(T2(S1+S)
2、T1S1)=41.73 kJ G=H(TS)=H (T2S2T1S1)=H (T2(S1+S)T1S1)=36.74 kJ 二、计算题2 mol 某双原子理想气体从始态101.325kPa 下,恒容温度从300 K 升至 400K,试计算该过程系统的W,Q,U,H,S,A 及G。已知始态S1100-1J K。解:恒容W=0 kJ U=Q=,215()28.314(400300)2V mnCTT=4.16 kJ,H=,217()28.314(400300)2p mnCTT5.82 kJ,1212,lnlnVVnRTTnCSmv=11.96 J.K-1A=U(TS)=U(T2S2T1S1)=U(T
3、2(S1+S)T1S1)=10.62 kJ G=H(TS)=H (T2S2T1S1)=H (T2(S1+S)T1S1)=8.96 kJ 2 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、U、H、S、A 和 G。解:恒温0HUkJppnRTWQ73.28)325.101/25.1013ln(15.300314.85)/ln(212112,lnlnppnRTTnCSmp112ln(/)58.314ln(1013.25/101.325)95.72.nRppJ KkJSTGA73.287.9515.300四、计算题在 2
4、5时 1mol 氩气(设为理想气体)从101.325kPa 的始态自始至终用6101.325kPa的外压恒温压缩到6101.325kPa,求此过程的Q、W、U、H、S、A 和 G。解:恒温0HU)325.10115.298314.8325.101615.298314.8(325.1016)(122VVpWQkJ39.12121.90.14)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
5、Q、W、U、H、S、A 和G。(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、U、H、S、A 和G。(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、文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:C
6、P10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 H
7、Z5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL
8、8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码
9、:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4
10、 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9
11、ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档
12、编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H23 W、U、H、S、A 和G。解:(1)过程恒压且非体积功为零,所以Qp=H=2259J JJWQUJKKm o lJm o lggn R TVpVVpVVpWglglga m b8.2 0 8 6)2.1 7 22 2 5 9(2.1 7 215.373314.802.181)()(111221.05.615.3732259KJTHSA=U TS=170.8 J G=H TS=0(2)U、H、S、A 和G 同(1)。JKKmo lJmo lggppn RTn RT9.52)325.1016625.50ln1(15.
13、373314.802.181ln1112Q=UW=2086.8(52.9)J=2139.7J(3)U、H、S、A 和G 同(1)。W=0,Q=U W=2086.8J 六、计算题已知 H2O(l)在 100 时的饱和蒸气压为101.325 kPa,此时的蒸发焓为40.67kJ mol1,现有 2 mol H2O(l)在 298K、101.325 kPa 下变为同温同压的水蒸气。计算此过程的H,S,G。设 蒸 气 可 视 为 理 想 气 体。已 知-1-p,m2C(HO,l)7 5.7 5 Jm o l.K,-1-1p,m2C(H O,g)33.76J mol.K。解:22222 mol HO(l
14、)298.15K 101.325kPa 2 mol HO(g)298.15K 101.325kPa132 mol HO(l)373.15K 101.325kPa2 mol HO(g)373.15K 101.325kPa2ggVVglgppnRTVppdVVVpWWW2ln)(文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6
15、H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4
16、P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M
17、9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7
18、I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10
19、H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G
20、6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1
21、J7I6H24 33112 75.75(373.15298.15)102 33.76(298.15373.15)10kJ mol87.64kJmol123H=HHH =+2 40.67+11373.15298.15275.75ln233.76J K298.15373.15373.15236.82J K1233S=SSS2 40.6710 =+ln=3GHS87.642 9 8.152 3 6.8 21 0k J17.03k J=-T=七、计算题60C时,纯甲醇和纯乙醇的饱和蒸气压分别为83.39kPa和 47.01kPa,两者可形成理想液态混合物。恒温 60C下,甲醇与乙醇混合物气液两相达到平
22、衡时,液相组成x(甲醇)=0.5898。试求平衡蒸气的总压及气相的组成y(甲醇)。解:*(1)83.390.589847.01(10.5898)68.47AABBApp xpxxkPa7184.047.68/5898.039.83/*pxpppyAAAA八、计算题35.17时,丙酮(A)与氯仿(B)完全互溶,05880.xB时,测得溶液的蒸气总压为44.32kPa。试求:(1)12320.xB时的pp,pBA及;(2)12320.xB时的气相组成Ay及By。假定该溶液为理想稀溶液。已知35.17时kPa08.39,kPa93.45*BApp。解:(1)对于理想稀溶液:BB,xB*ABB,xA*
23、Axk)x(pxkxpp1时05880.xB:0.0588(kPa)k0.0588)-(1kPa93.45kPa32.44,Bx解得:kPa5518.kB,x时12320.xB:40.27kPa0.1232)-(1kPa93451.)x(pxppB*AA*AA2.2 8 5 k P0.12 3 2k P a5518.xkpBB,xBk P a55542kPa2852kPa2740.pppBA(2)95.0555.42/27.40/ppyAA,05.01AByy文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7
24、A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H
25、2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P
26、4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9
27、P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I
28、6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H
29、4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6
30、M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H25 九、计算题乙醇气相脱水可制备乙烯,其反应为:C2H5OH(g)=C2H4(g)+H2O(g)各物质 298 K 时的fH及 S如下:物质C2H5OH(g)C2H4(g)H2O(g)fH/kJ mol-1 235.08 52.23 241.60 S/J K-1 mol-1281.73 219.24 188.56 试计算 298 K 时该反应的rH(298 K)、rS(298 K)、rG(298
31、K)和 K(298 K)。解:rH(298 K)=241.60+52.23(235.08)=45.71 kJ mol-1rS(298 K)=188.56+219.24281.73=126.07 J K-1 mol-1rG(298 K)=45 710298 126.07=8141.14 J mol-1 K(298 K)=expK298molKJ8.314molJ8141.14-11-1=0.0374 十、计算题求反应)()()(2232gCOsOAgsCOAg在 100时的标准平衡常数K。已知 298.15K、100kPa 下:1molkJHmf11KmolJSm11,Kmo lJCmpAg2C
32、O3(s)501.7 167.4 109.6 Ag2O(s)31.05 121.3 65.86 CO2(g)393.51 213.74 37.11 解:反应)()()(2232gCOsOAgsCOAg)()()()15.298(3222COAgSCOSOAgSKSmmmmr=(121.3+213.74-167.4)=167.6411KmolJ)()()()15.298(3222COAgHCOHOAgHKHmfmfmfmr=-31.05+(-393.51)-(-501.7)1molkJ=77.141molkJpmrC=(65.86+37.11-109.6)11KmolJ=-6.6311KmolJ
33、文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4
34、Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P
35、7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6
36、H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4
37、P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M
38、9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7
39、I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H26 dTrCKKKHKHpmmrmr15.29815.373)15.298()15.373(=77.141molkJdTTrCKKKSKSmpmrmr,15.29815.373)15.298()15.373(=166.211KmolJ)15.373(15.373)
40、15.373()15.373(KSKHKGmrmrmr=15.141molkJKRTGmrlnK=0.00759 十一、计算题对于反应MgCO3(菱镁矿)=MgO(方镁石)+CO2(g)物质MgCO3(s)MgO(s)CO2(g)1298molkJkHmf 1112.9 601.83 393.5 11molKJSm65.7 27 213.6(1)计算 298K 时,mrH,mrmrGS 和的值。(2)计算在298K 时 MgCO3的分解压力。(3)设在 298K 时空气中CO2(g)的分压力为2COp=32.04Pa,问此时MgCO3能否自动分解为 MgO 和 CO2(g)?(4)当温度升高时
41、MgCO3(s)的稳定性如何(假设反应的pC为常数)?解:(1)由实验数据mmmmBmmfBmrSTrHrGmolKJSrSmolKJHrH1119.1747.656.2132757.1179.11125.39383.60111345.65109.17429857.117molKJmolKJ(2)KRTrGmlnPapppKKmolJmolJppKgCOgCOgCO71111038.3ln298314.865450222文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:C
42、P10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 H
43、Z5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL
44、8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码
45、:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4
46、 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9
47、ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档
48、编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H27(3)由于 MgCO3的分解压力=3.38 10-7Pa空气中 CO2的分压gCOp2=32.04Pa MgCO3不能自动分解。(4)057.1171molkJrHm由0ln2RTrHdTKdm随温度升高,K增大,分解压力gCOp2变大,MgCO3稳定性降低。十二、计算题反应 C(s)+H2O(g)=H2(g)+CO(g)在 1000 K 及 1200 K 时的 K分别为 2.472 和 37.58,试计算在此温度范围内反应的平均标准
49、摩尔焓及1100 K 时的 K。解:ln K(T2)/K(T1)=rH/R1211TT即 ln 37.582.472rH/(8.31411molKJ)K00011K20011则rH=135.8 kJ mol-1ln K(T)/K(T1)=rH/R111TT即 ln K(T)/2.472=111135.8 1000J mol118.314J Kmol1100 K1000 K故 K(T)=10.91 文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4
50、HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 ZL8W1J7I6H2文档编码:CP10H4P4Y6P4 HZ5G6M9P7A9 Z