6. 2 ·Ö
[´ð] (A) (2·Ö)
7. 2 ·Ö
[´ð] (A)
8. 2 ·Ö
[´ð] (B) (2·Ö) ±ä»¯Ç°ºóÀíÏëÆøÌåµÄζȲ»±ä,µ«Ìå»ý¼õС,ËùÒÔ ¦¤SÌå< 0 £»Èô°ÑÌåϵºÍ»·¾³¼Ó ÔÚÒ»Æð¿´×÷Ò»¸öеĹÂÁ¢Ìåϵ,Ôò¾´Ë±ä»¯ºó,¹ÂÁ¢Ìåϵ¾ÀúµÄÊDz»¿ÉÄæ±ä»¯,ËùÒÔ ¦¤S¹ÂÁ¢ = ¦¤SÌå+ ¦¤S»·> 0 £»Òò´Ë ¦¤S»·> 0 ¡£
9. 2 ·Ö
[´ð] (B) ÔöѹÄÜʹ±ù±äΪˮÊǸßɽ±ù´¨»¬¶¯µÄÖØÒªÔÒòÖ®Ò»¡£
*. 2 ·Ö
[´ð] (A) (2·Ö)
¶þ¡¢Ìî¿ÕÌâ ( ¹² 9Ìâ 18·Ö ) 11. 2 ·Ö
[´ð] 88 (2·Ö)
12. 2 ·Ö
[´ð] (A) >
(B) < (C) < (D) <
13. 2 ·Ö
[´ð] < <
14. 2 ·Ö
[´ð] Ôö¼Ó (2·Ö)
15. 2 ·Ö
[´ð] ²»¿ÉÄæ¹ý³Ì ²»¿ÉÄÜ·¢ÉúµÄ¹ý³Ì
16. 2 ·Ö
[´ð] µÈÓÚ (2·Ö)
17. 2 ·Ö
[´ð] 20 ÒòΪ WR= QR= 600 J¡Á10 = 6.000 kJ
-1
ËùÒÔ ¦¤S = QR/T = 6000 J/300 K = 20 J¡¤K
18. 2 ·Ö
[´ð] µÈÎÂ; µÈѹ; ·â±ÕÌåϵ²»×öÆäËü¹¦; ¼õÉÙ (2·Ö) (2·Ö)
19. 2 ·Ö
[´ð] 7.88 (2·Ö)
Èý¡¢¼ÆËãÌâ ( ¹² 5Ìâ 40·Ö ) 20. 10 ·Ö
[´ð] (1) ¦¤subHm= RT 2¡Á2.303(dlg(pS/p)dT)
-1
= 35.71 kJ¡¤mol (2·Ö) (2) Tb= 298.7K (2·Ö)
(3) Òº¡¢¹ÌÕôÆøѹÏàµÈ½â³öÈýÏàµãµÄζȺÍѹÁ¦·Ö±ðΪ 260.0 K ºÍ 19130 Pa (3·Ö)
-1
(4) ¦¤fusHm= ¦¤subHm-¦¤vapHm= 7.89 kJ¡¤mol (3·Ö) $ ¦¤fusSm= 30.30 J¡¤K-1¡¤mol-1
21. 10 ·Ö
[´ð] (1)ÉèÖÕ̬ζÈΪT£¬ ÔònO2CV,m (T-283 K) = nN2CV,m (298 K-T) £¬ ½âµÃT = 293 K ÓÉÈÈ´«µ¼ÒýÆðµÄìØ±ä ¦¤S1= nO2CV,m ln(T/T1) +nN2CV,m ln(T/T2) = 2.48¡Á10-2 J¡¤K-1 ³éÈ¥¸ô°åµÄ»ìºÏìر䣺 ¦¤S2= -R¡Ænilnxi= 15.88 J¡¤K-1 ¦¤mix S = ¦¤S1+ ¦¤S2= 15.90 J¡¤K-1 (2)¦¤mix S = S2- S1= kln(?2/?1) ËùÒÔ ?1=exp(-1.15¡Á1024)¡Ö0
22. 10 ·Ö
[´ð] Q=0 ¦¤S=0 ¦¤S¸ôÀë=0 T2=297.0 K W= -¦¤U= -nCv,m(T2-T1)=4.126 kJ ¦¤H=nCp,m(T2-T1)=-5.776 kJ ¦¤F=¦¤U-S¦¤T=33.89 kJ ¦¤G=¦¤H-S¦¤T=32.24 kJ
23. 5 ·Ö
[´ð] ¦¤SÌå =
?T2T(1Cp/T)dT + (-¦¤
Tb= -110.4 J¡¤
K-1vapH)/ Q =?CpdT??vapH= -12.870 kJ (»ý·ÖÇø¼ä£º298.2 K µ½ 90.19 K) ¦¤S-1
»·= - Q/T»·= 922 J¡¤K ¦¤S×Ü= ¦¤SÌå+¦¤S»·= 811.6 J¡¤K-1
24. 5 ·Ö
[´ð] Wµç= ZFE = 2¡Á(1.10 V)¡Á(96 500 C¡¤mol-1) = 212.30 kJ¡¤mol-1 Q$-1R = ¦¤rH m+ Wµç= (-216.81+212.30) kJ¡¤mol = -4.51 kJ¡¤mol-1 (1·Ö)
(1·Ö)
(1·Ö) (1·Ö)
(1·Ö) (1·Ö) (1·Ö) (1·Ö) (1·Ö) (1·Ö) (1·Ö) (2·Ö) (2·Ö) (2·Ö)
(2·Ö) (1·Ö) (1·Ö)
(1·Ö)
¦¤rS m= QR/ T = -4.51¡Á103 J¡¤mol-1/ 298.15 K = - 15.13 J¡¤K-1¡¤mol-1 (1·Ö) ¦¤S»·¾³= 216.81¡Á103 J¡¤mol-1/298.15K
-1-1
= 727.18 J¡¤K¡¤mol (1·Ö) ¦¤S×Ü=¦¤rS +¦¤S»·¾³ = (-15.13+727.18) J¡¤K-1¡¤mol-1
-1-1
= 712.05 J¡¤K¡¤mol (1·Ö)
ËÄ¡¢ÎÊ´ðÌâ ( ¹² 3Ìâ 20·Ö ) 25. 10 ·Ö
[´ð] Éè H = f(T,p) $m$ dH = (?H/?T)pdT + (?H/?p)Tdp= 0
?J?T= (?T/?p)H = -(?H/?p)T/(?H/?T)p = -(?H/?p)T/Cp --------------------- (1) ÒòΪ dH = TdS+Vdp ËùÒÔ (?H/?p)T= T(?S/?P)T+ V = -T(?V/?T)p+ V = -(nRT/p) + V ---------------------(2) ½«(2)´úÈë(1)ʽ,ÔòµÃ£º ?J?T= -[-(nRT/p) + V] /Cp = -b/Cp,m
26. 5 ·Ö
[´ð] (a) (?Um/?Vm)T = T(?p/?T)V -p = a/V2m V2 (b) ¦¤Sm=?V(1?p/?T)VdVm=?2VmV(mR/Vm)dVm= Rln2
27. 5 ·Ö
[´ð] Éè¼ÆÈçÏ¿ÉÄæ¹ý³Ì£º ÒòΪÊÇ¿ÉÄæ¾øÈȹý³Ì£¬¹Ê
¦¤S = 0 = ¦¤S1+ ¦¤S2+¦¤S3 = n1Cp,m ln(T2/T1) + 0 + n¦¤subHm/T2 ½«ÉÏʽÕûÀíºó¿ÉµÃ£º n/n1= (Cp,m T2/¦¤subHm)ln(T1/T2)
(1·Ö) (3·Ö) (4·Ö)
(2·Ö)
(2·Ö) (3·Ö)