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ÌåϵµÄ¦¤T Áã, ¦¤U Áã,¦¤H Áã¡£

0422

?ZnO ¦¤cHm=351.5 kJ¡¤ ÒÑÖª£ºZn(s)+(1/2)O2??mol-1 ?HgO ¦¤cHm= 90.8 kJ¡¤ Hg(l)+(1/2)O2??mol-1 ?ZnO+Hg µÄ¦¤rHmÊÇ£º ( ) Òò´Ë Zn+HgO?? (A) 442.2 kJ¡¤mol-1 (B) 260.7 kJ¡¤mol-1

(C) -62.3 kJ¡¤mol-1 (D) -442.2 kJ¡¤mol-1 0423

´ÓÏÂÁÐÊý¾Ý¼ÆËãÎÞË®ÂÈ»¯ÂÁµÄÉú³ÉìÊ£º (1) 2Al(s)+6HCl(aq)=Al2Cl6(aq)+3H2(g) ¦¤rHm(1)=-1007 kJ¡¤mol-1 (2) H2(g)+Cl2(g)=2HCl(g) ¦¤rHm(2)=-184.8 kJ¡¤mol-1 (3) HCl(g)+aq=HCl(aq) ¦¤rHm(3)=-72.73 kJ¡¤mol-1 (4) Al2Cl6(s)+aq=Al2Cl6(aq) ¦¤rHm(4)=-645.5 kJ¡¤mol-1 0424 б·½ÁòµÄȼÉÕÈȵÈÓÚ ( )

(A) SO2(g)µÄÉú³ÉÈÈ (B) SO3(g)µÄÉú³ÉÈÈ (C) µ¥Ð±ÁòµÄȼÉÕÈÈ (D) Áã 0425 ÏÂÊö˵·¨,ºÎÕßÕýÈ·? ( )

(A) Ë®µÄÉú³ÉÈȼ´ÊÇÑõÆøµÄȼÉÕÈÈ (B) Ë®ÕôÆøµÄÉú³ÉÈȼ´ÊÇÑõÆøµÄȼÉÕÈÈ (C) Ë®µÄÉú³ÉÈȼ´ÊÇÇâÆøµÄȼÉÕÈÈ (D) Ë®ÕôÆøµÄÉú³ÉÈȼ´ÊÇÇâÆøµÄȼÉÕÈÈ 0426 ʯīµÄȼÉÕÈÈ ( )

(A) µÈÓÚCOÉú³ÉÈÈ (B) µÈÓÚCO2Éú³ÉÈÈ (C) µÈÓÚ½ð¸ÕʯȼÉÕÈÈ (D) µÈÓÚÁã 0427

Ò»ºãѹ·´Ó¦Ìåϵ,Èô²úÎïÓë·´Ó¦ÎïµÄ?Cp>0,Ôò´Ë·´Ó¦ ( )

(A) ÎüÈÈ (B) ·ÅÈÈ (C) ÎÞÈÈЧӦ (D) Îü·ÅÈȲ»Äܿ϶¨ 0428

Çó¼×±½·Ö½âΪCH3-ºÍ

$»ùʱ,C©¤C¼üµÄ¶ÏÁÑÄÜ¡£ÒÑÖª:

(1) ¦¤fH m(CH3Br,g)=-33.89 kJ¡¤mol-1 (2) ¦¤fH m(C6H5CH3,g)=50.21 kJ¡¤mol-1 (3) ¦¤fH m(Br2,g)= 31.80 kJ¡¤mol-1 (4) ¦¤fH m(C6H5Br,g)=97.07 kJ¡¤mol-1 (5) C6H5Br(g)=C6H5-+Br ¦¤rH m(5)= 297.1 kJ¡¤mol-1 (6) CH3Br(g)=CH3-+Br ¦¤rH m(6)= 276.1 kJ¡¤mol-1 (7) 2Br=Br2(l) ¦¤rH m(7)=-188.3 kJ¡¤mol-1 0429

ÒÑÖª£º (1) Na(s)???mol-1 ?Na(g) ¦¤rHm(1)= 105.0 kJ¡¤

291K$$$$$$ (2) Cl2(g)???mol-1 ?2Cl(g) ¦¤rHm(2)= 241.0 kJ¡¤ (3)

291K1291KCl2(g)+Na(s)???mol-1 ?NaCl ¦¤rHm(3)=-411.8 kJ¡¤20K (4) Na(g)??mol-1 ?Na+(g)+e¡¥ ¦¤rHm(4)= 493.3 kJ¡¤ (5) Na+(g)+Cl-(g)??mol-1 ?NaCl(s) ¦¤rHm(5)= 766.1 kJ¡¤ (6) NaCl(s)(0 K)??NaCl(s)(291 K) ¦¤rHm(6)= 100.4 kJ¡¤mol-1 (7) Na(g)(0 K)+Cl(g)(0 K)??Na(g)(291 K)+Cl(g)(291 K) ¦¤rHm(7)= 12.13 kJ¡¤mol-1 ÇóÂȵĵç×ÓÇ׺ÏÊÆ,¼´£ºCl+ e¡¥???Cl-µÄ-?U (0 K)Ö®Öµ 0430

$-1-1

298 Kʱ, ¦¤fH $(NaS,s)= -375.7 kJ¡¤mol, ¦¤H (NaCl,s)=-411.0 kJ¡¤mol 2fmm0K ¦¤fH $mol-1, ¦¤fH $mol-1 m(HCl,g)=-92.3 kJ¡¤m(H2S,s)= -20.2 kJ¡¤

?HCl(aq) ¦¤rHm(1)=-73.8 kJ¡¤ HCl(g)+H2O??mol-1 ?H2S(aq) ¦¤rHm(2)=-19.2 kJ¡¤ H2S(g)+H2O??mol-1 ?NaCl(aq) ¦¤rHm(3)= 4.8 kJ¡¤ NaCl(s)+H2O??mol-1

ÊÔÇóÏÂÁз´Ó¦µÄ¦¤rHm£º Na2S(s)+2HCl(aq)= H2S(aq)+2NaCl(aq) 0431

ÔÚp?,298 KÏ£º

?CuSO4¡¤ (1) CuSO4(s)+800H2O(l)??800H2O ¦¤rHm(1)=-68.74 kJ¡¤mol-1 ?CuSO4¡¤ (2) CuSO4¡¤5H2O(s)+795H2O(l)??800H2O

¦¤rHm(2)= 10.13 kJ¡¤mol-1

ÇóCuSO4(s)µÄË®ºÏÈȦ¤H3,¼´·´Ó¦

?CuSO4¡¤ (3) CuSO4(s)+5H2O(l)??5H2OµÄÈÈЧӦ¡£

0432

18¡æÒÒ´¼ºÍÒÒËáµÄȼÉÕÈÈ·Ö±ðΪ-1367.6 kJ¡¤mol-1ºÍ-871.5 kJ¡¤mol-1¡£ËüÃÇÈÜÔÚ´óÁ¿µÄË®Öзֱð·ÅÈÈ11.21 kJ¡¤mol-1ºÍ1.464 kJ¡¤mol-1¡£ÊÔ¼ÆËã18¡æÊ±·´Ó¦£º

C2H5OH(aq)+O2(g)???CH3COOH(aq)+H2O(l) µÄ¦¤rHm¡£ 0434

ÇóÏÂÁÐõ¥»¯·´Ó¦µÄ¦¤rH $m(298 K)£º (COOH)2(s)+2CH3OH(l)=(COOH3)2(s)+2H2O(l) ÒÑÖª£º¦¤cH $mol-1 m((COOH)2,s)= -120.2 kJ¡¤ ¦¤cH $mol-1 m(CH3OH,l)=-726.5 kJ¡¤ ¦¤cH $mol-1 m(CH3OOCH3,s)= -1678 kJ¡¤ 0435

ÒÑÖªÏÂÁз´Ó¦ÔÚp?ºÍ298 KʱµÄ·´Ó¦ÈÈΪ£º (1) CH3COOH(l)+2O2(g)=2CO2(g)+2H2O(l) ¦¤rHm(1)=-870.3 kJ¡¤mol-1 (2) C(s)+O2(l)=CO2(g) ¦¤rHm(2)=-393.5 kJ¡¤mol-1 (3) H2(g)+

1O2(g)=H2O(l) ¦¤rHm(3)=-285.8 kJ¡¤mol-1 2ÊÔ¼ÆËã·´Ó¦£º (4) 2C(s)+2H2(g)+O2(g)=CH3COOH(l) µÄ¦¤rH $m(298 K)¡£ 0436

ÒÑÖªp?,298 Kʱ

mol-1, ¦ÅC¡ªC= 607 kJ¡¤mol-1, ¦ÅC ¡ªO= 463 kJ¡¤mol-1 ¦ÅC¡ªH= 413 kJ¡¤

¦ÅC¡ªC=348 kJ¡¤mol-1, ¦Å C¡ªO= 351 kJ¡¤mol-1£¬ÒÒ´¼Æû»¯ìÊÆû»¯ìʦ¤

$vapH m$(ÒÒ´¼)= 42 kJ¡¤mol-1

¹ÀËã·´Ó¦£ºC2H4(g)+H2O(g)=C2H5OH(l) µÄ¦¤rH m(298 K)¡£

0437

ÒÑÖªp?,298 Kʱ£º (1) (COOH)2(s)+ (2) CH3OH(l)+

1$O2(g)=2CO2(g)+H2O(l) ¦¤rH m(1)=-251.5 kJ¡¤mol-1 23$O2(g)=CO2(g)+2H2O(l) ¦¤rH m(2)=-726.6 kJ¡¤mol-1 27$ (3) (COOCH3)2(l)+O2(g)= 4CO2(g)+3H2O(l) ¦¤rH m(3)=-1677.8 kJ¡¤mol-1

2 ÊÔÇó·´Ó¦£º (4) (COOH)2(s)+2CH3OH(l)=(COOCH3)2(l)+2H2O(l) µÄ ¦¤rHm(4)¡£ 0438

ÒÑÖªp?ºÍ298 Kʱ£º CH4(g)µÄÉú³ÉìÊΪ C(ʯ)+2H2(g)??mol-1 ?CH4(g) ¦¤fH $m(1)=-74.8 kJ¡¤ ʯīµÄÔ­×Ó»¯ìÊΪ C(ʯ)??mol-1 ?C(g) ¦¤atH $m(2)=717 kJ¡¤ H2(g)µÄÔ­×Ó»¯ìÊΪ

1H2(g)??mol-1 ?H(g) ¦¤atH $m(3)=218 kJ¡¤2 ÇóC¡ªC¼üµÄ¼üìÊÖµ¡£ 0439

¸ù¾ÝÏÂÁз´Ó¦ÈÈ,¼ÆËã298 KʱAgCl(s)µÄ±ê×¼Éú³ÉÈÈ¡£ p?,298 Kʱ£º (1) Ag2O(s)+2HCl(g)=2AgCl(s)+H2O(l) ¦¤rH $mol-1 m,1=-30.57 kJ¡¤ (2) H2(g)+Cl2(g)=2HCl(g) ¦¤rH m,2= -324.9 kJ¡¤mol-1 (3) 2Ag(s)+(1/2)O2(g)=Ag2O(s) ¦¤rH $mol-1 m,3=-184.62 kJ¡¤ (4) 2H2(g)+O2(g)=2H2O(l) ¦¤rH m,4=-571.68 kJ¡¤mol-1

0440

ÒÑÖªp?,298 Kʱ,·´Ó¦ (1) 2C(s)+O2(g)=2CO(g) ¦¤rH m,1(298 K)=-221.1 kJ¡¤mol-1 (2) 3Fe(s)+2O2(g)=Fe3O4(s) ¦¤rH mmol-1 2,(298 K)=-117.1 kJ¡¤ Çó·´Ó¦ (3)£ºFe3O4(s)+4C(g)=3Fe(s)+4CO(g) µÄ¦¤rH m(298 K)¡£ 0441

ÒÑÖª¼×´¼µÄ±ê׼ȼÉÕÈÈΪ-726.6 kJ¡¤mol-1,H2O(l)ºÍCOµÄ±ê×¼Éú³ÉÈÈ·Ö±ðΪ-285.8 kJ¡¤mol-1ºÍ-395.5 kJ¡¤mol-1¡£Çó¼×´¼µÄ±ê×¼Éú³ÉÈÈ¡£ 0442

ÖØÒªµÄ»¯¹¤Ô­ÁÏÂÈÒÒÏ©ÓÉÈçÏ·´Ó¦ÖƱ¸£º

$$$$$?CH2¨TCHCl(g) C2H2(g)+HCl(g)??¼ÙÉè·´Ó¦Îï½øÁÏÅä±È°´¼ÆÁ¿ÏµÊý¶ø¶¨ÇÒ·´Ó¦¿ÉÈÏΪÄܽøÐе½µ×¡£ÈôҪʹ·´Ó¦¸ªÎ¶ȱ£³ÖÔÚ

25¡æ,

ÔòÿÏûºÄ1kg HCl(g)Ðë¶àÉÙkgÀäÈ´Ë®?ÉèË®µÄ±ÈÈÈΪ4.184 J¡¤g-1¡¤K-1,½ø¿ÚË®ÎÂΪ10¡æ, ¸÷ÎïÖÊ ¦¤fHm(298 K)/kJ¡¤mol-1·Ö±ðΪ£ºCH2¨TCHCl(g) 35, C2H2(g) 227, HCl(g) -92¡£

$0443

ÒÑÖªÏÂÊö·´Ó¦ÔÚp?,25¡æÊ±µÄ·´Ó¦ÈÈ: (1) (1/2)Cl2(g)+KI(aq)=KCl(aq)+(1/2)I2 ¦¤rHm(1)=-109.66 kJ¡¤mol-1 (2) (1/2)H2(g)+(1/2)Cl2(g)=HCl(g) ¦¤rHm(2)= -92.05 kJ¡¤mol-1 (3) HCl(g)+(aq)=HCl(aq) ¦¤rHm(3)= -72.43 kJ¡¤mol-1 (4) KOH(aq)+HCl(aq)=HCl(aq) ¦¤rHm(4)= -57.49 kJ¡¤mol-1 (5) KOH(aq)+HI(aq)=KI(aq) ¦¤rHm(5)= -57.20 kJ¡¤mol-1 (6) HI(g)+(aq)=HI(aq) ¦¤rHm(6)= -80.37 kJ¡¤mol-1 ÇóÆøÌ¬µâ»¯ÇâµÄ±ê×¼Éú³Éìʦ¤fH$m(HI)¡£ 0444

ÒÑÖªCO(g)ºÍH2O(g)µÄÉú³ÉìÊ£¨±ê׼̬,298 K£©¸÷Ϊ-110.46 kJ¡¤mol-1ºÍ-243.01 kJ¡¤mol-1¡£ £¨1£©¼ÆË㹤ҵ»¯µÄË®ÃºÆø·´Ó¦H2O(g)+C(s)=CO(g)+H2(g)µÄ¦¤rH$m(298 K)£» £¨2£©½«Ë®ÕôÆøÍ¨Èë1000 ¡ãCµÄ½¹Ì¿ÖУ¬ÈôҪά³ÖζȲ»±ä£¬ÎʽøÁÏÖÐË®ÕôÆøÓë¿ÕÆøµÄÌå»ý±ÈӦΪ¶àÉÙ£¿£¨¼Ù¶¨¹¤Òµ»¯Éú²úÖÐC(s)ÓëO2(g)·´Ó¦²úÉúµÄÈÈÁ¿ÖÐÓÐ20%ɢʧ£¬°´298 K¼ÆËã¡££© 0445

ÂÈÒÒÏ©¿Éͨ¹ýÒÒȲÓëÂÈ»¯ÇâÔÚÂÈ»¯¹¯µÄ´ß»¯Ï¼ӳÉÖÆÈ¡

2 C2H2(g)?HCl(g)????CH2??CHCl(g)

HgCl¼Ù¶¨·´Ó¦ÎïÎïÖʵÄÁ¿±ÈΪ1 ©U 1ÇÒ·´Ó¦½øÐÐÍêÈ«¡£¼ÆËãΪʹ·´Ó¦ÈÝÆ÷ζÈʼÖÕ±£³ÖÔÚ25 ¡ãCʱ£¬Ã¿Ç§¿ËHCl·´Ó¦ËùÐèµÄÀäÈ´Ë®µÄÁ¿¡£ÉèÀäÈ´Ë®³õʼζÈΪ10 ¡ãC¡£ £¨ÒÑÖª£º¦¤fHm(298 K)(CH2==CHCl,g)=35 KJ¡¤mol-1 ¦¤fHm(298 K)(C2H2,g)=227 KJ¡¤mol-1 ¦¤fHm(298 K)(HCl,g)=-92 KJ¡¤mol-1

Ë®µÄÈÈÈÝ£º75 J¡¤K-1¡¤mol-1£© 0446

Ϊ½â¾öÄÜԴΣ»ú£¬ÓÐÈËÌá³öÓÃCaCO3ÖÆÈ¡C2H2×÷ȼÁÏ¡£¾ßÌ巴ӦΪ£º £¨1£©CaCO3(s)???CaO(s)+CO2(g) £¨2£©CaO(s)+3C(s)???CaC2(s)+CO(g) £¨3£©CaC2(s)+H2O(l)????CaO(s)+C2H2(g) ÎÊ£º£¨a£©1 mol C2H2ÍêȫȼÉտɷųö¶àÉÙÈÈÁ¿£¿

£¨b£©ÖƱ¸1 mol C2H2Ðè¶àÉÙC(s)£¬ÕâЩ̼ȼÉÕ¿É·ÅÈȶàÉÙ£¿ £¨c£©ÎªÊ¹·´Ó¦£¨1£©ºÍ£¨2£©Õý³£½øÐУ¬ÐëÏûºÄ¶àÉÙÈÈÁ¿£¿

298K¦¤$$$¦¤ÆÀÂÛC2H2ÊÇ·ñÊʺÏ×÷ȼÁÏ£¿ÒÑÖªÓйØÎïÖʵĦ¤fH$mol-1Ϊ: m(298 K)/kJ¡¤

CaC2£¨s£©£º-60£¬ CO2£¨g£©£º-393£¬ H2O£¨l£©£º-285£¬ C2H2£¨g£©£º227£¬

CaO£¨s£©£º-635£¬ CaCO3£¨s£©£º-1207£¬ CO£¨g£©£º-111 0447

ÒÑÖª£ºp$£¬298 KÏÂ

¦¤cHm(C3H8)=-2220 kJ¡¤mol-1 ¦¤fHm(H2O)=286.0 kJ¡¤mol-1 ¦¤fHm(CO2)=-393.5 kJ¡¤mol-1 ·Ö±ð¼ÆË㣨a£©ºãѹÏ¡¢£¨b£©ºãÈÝÏ£¬Óɵ¥ÖÊÉú³É±ûÍ鯸ÌåµÄÉú³ÉìÊ¡£ 0451

298 Kʱ£¬Ê¯Ä«µÄ±ê׼Ħ¶ûÉú³Éìʦ¤fH$m£º ( ) (A) ´óÓÚÁã (B) СÓÚÁã (C) µÈÓÚÁã (D) ²»ÄÜÈ·¶¨ 0452

0.500 gÕý¸ýÍé·ÅÔÚµ¯Ê½Á¿ÈȼÆÖУ¬È¼ÉÕºóζÈÉý¸ß2.94 K¡£ÈôÁ¿ÈȼƱ¾Éí¼°Æä¸½¼þµÄÈÈÈÝÁ¿Îª8.177 kJ¡¤K-1£¬¼ÆËã298 KʱÕý¸ýÍéµÄĦ¶ûȼÉÕìÊ£¨Á¿ÈÈ¼ÆµÄÆ½¾ùζÈΪ 298 K£©¡£Õý¸ýÍéµÄĦ¶ûÖÊÁ¿Îª 0.1002 kg¡¤mol-1¡£ 0523

ÒÑÖªÏÂÁÐÊý¾Ý£º

¦¤fHm[298 K,NH3(g)]=-46.2 kJ¡¤mol-1 Cp(H2)=(29.1+0.002T/K) J¡¤K-1¡¤mol-1 Cp(N2)=(27.0+0.006T/K) J¡¤K-1¡¤mol-1 Cp(NH3)=(25.9+0.032T/K) J¡¤K-1¡¤mol-1

ʽÖÐTΪÈÈÁ¦Ñ§Î¶ȡ£¼ÆËã398 KʱNH3(g)µÄÉú³Éìʦ¤fHm(398 K)ºÍÉú³ÉÈÈÁ¦Ñ§ÄÜ ¦¤fUm(398 K)¡£

0453

ÒÑÖª£º(a) ÏÂÁмüìʦÅÊý¾Ý

(b) ¹ÌÌåÆÏÌÑÌÇÉý»ªÈȽüËÆÎª 800 kJ¡¤kg (c) 1mol H2O(g) Äý¾Û³É H2O(l) ·ÅÈÈ 43.99 kJ¡¤mol-1 ÊÔÇó¹ÌÌåÆÏÌÑÌÇ C6H12O6µÄȼÉÕÈÈ¡£

-1

$$$0454

³ÆÈ¡0.727 gµÄ D-ºËÌÇC4H9O4CHO ·ÅÔÚÒ»Á¿ÈȼÆÖУ¬ÓùýÁ¿µÄ O2ȼÉÕ£¬Á¿ÈȼƵÄζÈÓÉ298 KÉý¸ß0.910 K£¬ÓÃͬһÒÇÆ÷ÔÙ×öÒ»´ÎʵÑ飬ʹ0.858 g±½¼×ËáȼÉÕ£¬ÉýÎÂ1.940 K£¬¼ÆËã¸ÃD-ºËÌǵÄĦ¶ûȼÉÕÄÚÄÜ¡¢Ä¦¶ûȼÉÕìʼ°D-ºËÌǵÄĦ¶ûÉú³ÉìÊ¡£ÒÑÖª±½¼×ËáµÄĦ¶ûȼÉÕÄÚÄܦ¤cUmΪ-3251 kJ¡¤mol-1£¬ÒºÌ¬Ë®ºÍ CO2(g) µÄĦ¶ûÉú³ÉìÊ·Ö±ðΪ-285.8 kJ¡¤mol-1ºÍ -393.5 kJ¡¤mol-1¡£ 0455

ÈçͼËùʾ£¬¶ÔÏÂͼµÄÐðÊö²»ÕýÈ·µÄÊÇ£º ( )

(A) ÇúÏßÉÏÈÎÒ»µã¾ù±íʾ¶ÔӦŨ¶Èʱ»ý·ÖÈܽâÈȵĴóС (B) ¦¤H1±íʾÎÞÏÞÏ¡ÊÍ»ý·ÖÈܽâÈÈ (C) ¦¤H2±íʾÁ½Å¨¶Èn1ºÍn2Ö®¼äµÄ»ý·ÖÏ¡ÊÍÈÈ (D) ÇúÏßÉÏÈÎÒ»µãµÄбÂʾù±íʾ¶ÔӦŨ¶È¶ÔHClµÄ΢·ÖÈܽâÈÈ

0456

ÒÑÖª 298 K£¬p?ʱ£¬CH3OH(l)ºÍH2O(l)µÄÆû»¯ìÊ·Ö±ðΪ37.99 kJ¡¤mol-1ºÍ44.011 kJ¡¤mol-1£¬»¹ÒÑÖªÈçϼüÄÜ£º

ÓÖÒÑÖªÑõÔ­×ӵıê׼Ħ¶ûÉú³ÉìÊΪ 249.2 kJ¡¤mol-1£¬ÊÔ¹ÀËã CH3OH (l) µÄ±ê׼ȼÉÕìÊ¡£ 0457

ÔÚÁ¿ÈȼÆÖУ¬ÓùýÁ¿µÄÑÎËáÖкÍŨ¶ÈΪ0.935 mol¡¤dm-3µÄÇâÑõ»¯ÄÆË®ÈÜÒº0.040 dm3ʱ£¬±´¿ËÂüζȼƵÄζÈÉÏÉýÁË0.695 K£¬×°ÖúÍÈÜÒºµÄÈÈÈÝÖ®ºÍΪ 3050 J¡¤K-1¡£Çó1 mol ÇâÑõ»¯ÄƺÍÑÎËáÖкÍʱµÄºãѹ·´Ó¦ÈÈ£¬¼´ÖкÍÈÈ¡£ 0458

ÒÑÖª H2(g,298 K) + (1/2)O2 (g, 298 K) = H2O (g, 298 K)????? (1) ¦¤rH m(1) = -241.8 kJ¡¤mol-1

$

H2(g, 298 K) = 2H (g, 298 K) ????? (2) ¦¤rH $mol-1 m(2) = 436.0 kJ¡¤

øÙO2(g, 298 K) = O (g, 298 K) ????? (3) ¦¤rH $mol-1 m(3) = 247.7 kJ¡¤¸ù¾ÝÉÏÊöÊý¾Ý¿É»ñµÃH¡ªO ¼üµÄƽ¾ù¼üÄܦÅH¡ªOԼΪ£º ( ) (A) 925.5 kJ¡¤mol-1 (B) 462.8 kJ¡¤mol-1 (C) 120.9 kJ¡¤mol-1 (D) 241.8 kJ¡¤mol-1 0459

ʯī(C)ºÍ½ð¸Õʯ(C)ÔÚ 25¡æ, 101 325 Paϵıê׼ȼÉÕìÊ·Ö±ðΪ-393.4 kJ¡¤mol-1ºÍ-395.3 kJ¡¤mol-1£¬Ôò½ð¸ÕʯµÄ±ê×¼Éú³Éìʦ¤fH$m(½ð¸Õʯ, 298 K)Ϊ£º ( )

(A) -393.4 kJ¡¤mol-1 (B) -395.3 kJ¡¤mol-1 (C) -1.9 kJ¡¤mol-1 (D) 1.9 kJ¡¤mol-1 0460

ÈçÓüüìʹÀËã 298K Se2Cl2(g) µÄ±ê׼Ħ¶ûÉú³ÉìÊ£¬Ó¦¸ù¾ÝÏÂÁÐÉú³É·´Ó¦

ÖеÄ( )ʽ¼ÆËãΪÕýÈ·¡£ (A) 2Se (g) + 2Cl (g) = Se2Cl2(g) µÄ¦¤rHm (B) 2Se (s) + Cl2(g) = Se2Cl2(g) µÄ¦¤rHm (C) 2Se (g) + Cl2(g) = Se2Cl2(g) µÄ¦¤rHm (D) 2Se (s) + 2Cl (g) = Se2Cl2(g) µÄ¦¤rHm 0462

ÈËÔÚÊÒÄÚÐÝϢʱ£¬´óԼÿÌìÒª³Ô 0.2 kg µÄôûÀÒ£¨ÉãÈ¡µÄÄÜÁ¿Ô¼Îª 4000 kJ£©¡£¼Ù¶¨ÕâЩÄÜÁ¿È«²¿²»´¢´æÔÚÌåÄÚ£¬ÎªÁËά³ÖÌåβ»±ä£¬ÕâЩÄÜÁ¿È«²¿±äΪÈÈʹº¹Ë®Õô·¢¡£ÒÑ֪ˮµÄÆû»¯ÈÈΪ 44 kJ¡¤mol-1£¬ÔòÿÌìÐèºÈË®£º ( ) (A) 0.5 kg (B) 1.0 kg (C) 1.6 kg (D) 3.0 kg 0463

ÎìÍéµÄ±ê׼Ħ¶ûȼÉÕìÊÊÇ -3520 kJ¡¤mol-1,CO2(g) ºÍ H2O(l) µÄ±ê׼Ħ¶ûÉú³ÉìÊ·Ö±ðÊÇ -395 kJ¡¤mol-1ºÍ -286 kJ¡¤mol-1£¬ÔòÎìÍéµÄ±ê׼Ħ¶ûÉú³ÉìÊΪ£º ( ) (A) 2839 kJ¡¤mol-1 (B) -2839 kJ¡¤mol-1 (C) 171 kJ¡¤mol-1 (D) -171 kJ¡¤mol-1

0464

ÔÚ 298.15 K ʱ£¬²ÝËáµÄ±ê׼Ħ¶ûȼÉÕìÊΪ -251.9 kJ¡¤mol-1£¬¸ù¾Ýϱíʾ¼ÆË㣺 (1) 298.15 K ʱ£¬²ÝËáµÄ±ê׼Ħ¶ûÉú³Éìʦ¤fHm(298.15 K) (2) 318.15 K ʱ£¬²ÝËáµÄ±ê׼Ħ¶ûÉú³Éìʦ¤fHm(318.15 K) (3) 298.15 K ʱ£¬²ÝËáȼÉÕʱµÄÄÚÄܱ仯¦¤cUm(298.15 K) ¦¤fH$mol-1 Cp(298.15 K)/J¡¤K-1¡¤mol-1 m(298.15 K)/kJ¡¤

H2(g) 0 28.87

O2(g) 0 29.29 C(ʯī) 0 8.79 H2O(l) -285.9 75.31 CO2(g) -393.5 37.24

(COOH)2(s) ? 97.91 0465

25¡æÊ±£¬C2H5OH (l) µÄ±ê׼Ħ¶ûȼÉÕìÊΪ -1367 kJ¡¤mol-1£¬CO2(g) ºÍH2O(l) µÄ±ê׼Ħ¶ûÉú³ÉìÊ·Ö±ðΪ -393.5 ºÍ -285.8 kJ¡¤mol-1£¬Çó 25¡æ ʱ£¬C2H5OH (l) µÄ±ê׼Ħ¶ûÉú³ÉìÊ¡£ 0466

0.5 mol25¡æµÄÒºÌå±½ÔÚµ¯Ê½Á¿ÈȼÆÖÐÍêȫȼÉÕ³ÉË®ºÍ¶þÑõ»¯Ì¼ÆøÌåʱ£¬·Å³öÈÈÁ¿ 1632 kJ£¬Çó¸ÃζÈʱҺÌå±½µÄĦ¶ûȼÉÕìʦ¤cH$m¡£

0467

ÒÑÖª 298K ʱ£¬CH4(g)£¬CO2(g)£¬H2O(l) µÄ±ê×¼Éú³ÉÈÈ·Ö±ðΪ -74.8£¬-393.5£¬-285.8 kJ¡¤mol-1£¬ÇëÇóËã298 KʱCH4(g) µÄ±ê׼ȼÉÕÈÈ¡£ 0469

ÖÆ±¸Ë®ÃºÆøµÄ·´Ó¦Îª£º

C(s) + H2O(g) = CO(g) + H2(g) (Ö÷·´Ó¦) (1)

CO(g) + H2O(g) = CO2(g) + H2(g) (ÉÙÁ¿) (2) ½«´Ë»ìºÏÆøÌåÀäÈ´ÖÁÊÒÎÂ(¼Ù¶¨Îª298 K)¼´µÃË®ÃºÆø£¬ÆäÖк¬CO(g)£¬H2(g)¼°ÉÙÁ¿µÄCO2(g)£¬Ë®ÕôÆø¿ÉºöÂÔ²»¼Æ¡£ÎÊ£ºÈçÖ»·¢ÉúµÚÒ»¸ö·´Ó¦£¬ÄÇô½« 1dm3µÄË®ÃºÆøÈ¼ÉշųöµÄÈÈÁ¿Îª¶àÉÙ?ÒÑÖªp?£¬298K ϸ÷ÎïÖʵıê×¼Éú³ÉìÊÊý¾ÝΪ£º ¦¤fHm(H2O,g)=-241.8 kJ¡¤mol-1, ¦¤fHm(CO,g)=-110.5 kJ¡¤mol-1£¬ ¦¤fHm(CO2,g)=-393.5 kJ¡¤mol-1¡£¼Ù¶¨È¼ÉÕ·´Ó¦µÄ²úÎï¾ùÎªÆøÌå¡£

0470

ÔÚ298.15 Kʱ£¬Ê¹5.27 gµÄ¼×´¼ÔÚµ¯Ê½Á¿ÈȼÆÖÐȼÉÕ£¬·Å³ö119.50 kJ µÄÈÈÁ¿¡£ÒÑÖª£ºÏà¶ÔÔ­×ÓÁ¿£º C 12.01, H 1.008, O 16

$$$ ¦¤fH$mol-1£¬¦¤fH$mol-1 m(H2O,l)=-285.84 kJ¡¤m(CO2,g)=- 393.51 kJ¡¤ (1) ¼ÆËãȼÉÕ¼×´¼µÄ¦¤cH$m£» (2) ÓÃH2O(l)ºÍCO2(g)µÄ±ê׼Ħ¶ûÉú³ÉÈȵÄÊý¾Ý¼ÆËãCH3OH(l)µÄ¦¤fH$m£» (3) Èç¹û¼×´¼µÄÆû»¯ìÊΪ 35.27 kJ¡¤mol-1£¬¼ÆËã CH3OH(g) µÄ¦¤fH$m¡£ 0471

ÓÃ΢Á¿ÈȼƲâµÃÏÂÊö·´Ó¦µÄ¦¤H $m·Ö±ðΪ£º

??-D-ÆÏÌÑÌÇ(l)£¬ ¦¤rH $ (1) ?-D-ÆÏÌÑÌÇ(l)??mol-1 m,1=-1.16 kJ¡¤??-D-ÆÏÌÑÌÇ(l)£¬ øÙ¦¤ (2) ?-D-ÆÏÌÑÌÇ(s)??$fusH m,2=10.72 kJ¡¤mol-1

??-D-ÆÏÌÑÌÇ(l)£¬ øÙ¦¤ (3) ?-D-ÆÏÌÑÌÇ(s)??$mol-1 fusH m,3=4.68 kJ¡¤

Çë¼ÆËã ?-D-ÆÏÌÑÌÇ(s) ±äΪ?-D-ÆÏÌÑÌÇ(s)µÄ¦¤rH $m¡£

0472

Äý¹ÌÈÈÔÚÊýÖµÉÏÓëÏÂÁÐÄÄÒ»ÖÖÈÈÏàµÈ£º ( ) (A) Éý»ªÈÈ (B) ÈܽâÈÈ (C) Æû»¯ÈÈ (D) ÈÛ»¯ÈÈ 0473

ÓÃÁ¿ÈȼƲâµÃÒÒ´¼(l),ÒÒËá(l)ºÍÒÒËáÒÒõ¥(l)µÄ±ê×¼ºãÈÝĦ¶ûȼÉÕÈȦ¤cUm(298 K)·Ö±ðΪ£º-1364.27£¬-871.50 ºÍ -2251.73 kJ¡¤mol-1¡£ (1) ¼ÆËãÔÚp?ºÍ298 Kʱ£¬ÏÂÁÐõ¥»¯·´Ó¦µÄ¦¤rH m(298 K)£»

C2H5OH (l) + CH3COOH (l) = CH3COOC2H5(l) + H2O (l)

(2) ÒÑÖª CO2(g) ºÍ H2O (l)µÄ±ê׼Ħ¶ûÉú³Éìʦ¤fHm(298K)·Ö±ðΪ -393.51ºÍ -285.84 kJ¡¤mol-1£¬Çó C2H5OH(l) µÄĦ¶û±ê×¼Éú³ÉìÊ¡£ 0474

ÒÑÖªÒÒËáÒÒõ¥µÄȼÉÕÈÈΪ 2246 kJ¡¤mol-1£¬298K ʱÏÂÁи÷ÎïµÄĦ¶û±ê×¼Éú³ÉìÊ·Ö±ðΪ£º

$$$

298 KʱH2O(l)µÄĦ¶ûÆø»¯ÈȵÈÓÚ43.93 kJ¡¤mol-1£¬ÇóÏÂÁз´Ó¦ÔÚ 298 K ʱµÄ¦¤rH m£¬¦¤rU m¡£

$$CH3COOH(l) + C2H5OH(l) = CH3COOC2H5(l) + H2O(g) 0475

ijÁ¿ÈÈѧʵÑéÈçϽøÐУº(1)ÔÚÒ»·â±ÕµÄ¾øÈȺãÈÝÁ¿ÈÈÆ÷ÖУ¬Ê¢ÓгõʼζÈΪ298.15 K¡¢ÖÊÁ¿Îª1.298 gÒÒËáÒÒõ¥¡£ÔÚ¹ýÁ¿O2´æÔÚÏÂȼÉÕºó£¬Á¿ÈÈÆ÷ζÈÉý¸ß2.13 K£»(2)È»ºóÈÃÁ¿ÈÈÆ÷ÀäÈ´µ½ 298.15 K£»(3)ÔÙʹµçÁ÷Ç¿¶ÈΪ2.134 76 AµÄµçÁ÷ͨ¹ýÁ¿ÈÈÆ÷Öеç×èΪ125.9 ?µÄ¼ÓÈÈÏßȦ75.26 s£¬ÒýÆðζÈÉý¸ß2.78 K£¬ÊÔÇó£º (A) ²½Öè (1) ÖУ¬Õû¸öʵÑé×°ÖõĦ¤rU (B) ²½Öè (3) ÖУ¬Õû¸öʵÑé×°ÖõĦ¤rU (C) ÓÉ×î³õ״̬µÄ·´Ó¦Îï±ä³É×îÖÕ²úÎïµÄ¦¤rU

(D) ¸Ã·´Ó¦ (CH3COOC2H5+ 5O2= 4CO2+ 4H2O) ÔÚ 298.15 KµÄ¦¤rUm 0476

ÒÑÖª 1mol HClµÄÎÞÏÞÏ¡ÊÍÈÜÒºÓë 1mol NaOH µÄÎÞÏÞÏ¡ÊÍÈÜÒºÔÚºãκãѹÏÂÍêÈ«·´Ó¦£¬ÈÈЧӦ¦¤rH $mol-1£¬Ôò 1mol HNO3µÄÎÞÏÞÏ¡ÊÍÈÜÒºÓë 1mol KOHµÄÎÞÏÞÏ¡ÊÍm=-55.9 kJ¡¤ÈÜÒºÔÚºãκãѹÏÂÍêÈ«·´Ó¦µÄÈÈЧӦ¦¤rH $mΪ£º ( ) (A) > -55.9 kJ¡¤mol-1 (B) < -55.9 kJ¡¤mol-1 (C) = -55.9 kJ¡¤mol-1

(D) ²»ÄÜÈ·¶¨ 0477

ÍêȫȼÉÕ 8 dm3ÒÒȲÐè¶àÉÙÌå»ýµÄ¿ÕÆø? ( ) (A) 20 dm3 (B) 120 dm3 (C) 100 dm3 (D) 4 dm3 0478

?CO2(g) µÄ·´Ó¦ÈÈΪ¦¤rH m£¬ÏÂÁÐÄÄÖÖ˵·¨ÊÇ´íÎóµÄ? ÔÚp?Ï£¬C(ʯī) + O2?? ( ) (A) ¦¤rH mÊÇCO2(g)µÄ±ê×¼Éú³ÉÈÈ (B) ¦¤rH m=¦¤rU m (C) ¦¤rH mÊÇʯīµÄȼÉÕÈÈ

(D) ¦¤rU m<¦¤rH m

0479

$$$$$$$ ÒÑÖª (1) 2Al(s) + 6HCl(aq) = 2AlCl3(aq) + 3H2(g)

-1

¦¤rH $(298 K) = -1003 kJ¡¤mol m,1 (2) H2(g) + Cl2(g) = 2HCl(g)

¦¤rH $mol-1 m,2(298 K) = -184.1 kJ¡¤

(3) HCl(g) + nH2O = HCl(aq)

¦¤rH $mol-1 m,3(298 K) = -72.45 kJ¡¤

(4) AlCl3(s) + nH2O = AlCl3(aq)

¦¤rH $mol-1 m,4(298 K) = -321.5 kJ¡¤

ÔòÎÞË®AlCl3ÔÚ298 KµÄ±ê׼Ħ¶ûÉú³ÉìÊΪ ¡£

0481

300 Kʱ£¬0.125 molÕý¸ýÍ飨ҺÌ壩ÔÚµ¯Ê½Á¿ÈȼÆÖÐÍêȫȼÉÕ£¬·ÅÈÈ 602 kJ£¬·´Ó¦C7H16(l)

+ 11O2(g) = 7CO2(g) + 8H2O(l) µÄ¦¤rUm= _____£¬¦¤rHm = _____¡£(RT¡Ö2.5 kJ) 0483

±ê×¼Àë×ÓÉú³ÉìÊÈ¡H+µÄĦ¶ûÉú³ÉìÊΪÁã,¼´ ¦¤fHm(H+,¡Þ,aq)=0¡£Ôڴ˹涨ÏÂ,H2µÄ

Ħ¶ûÉú³Éìʦ¤fHm(H2,g)ΪºÎÖµ? ( ) (A) ΪÁã (B) ´óÓÚÁã (C) СÓÚÁã (D) ²»¶¨ 0484

¼ÆË㻯ѧ·´Ó¦µÄÈÈЧӦ,ÏÂÊö˵·¨ÄÄЩÕýÈ·? ( ) (1) ÔÚͬһËãʽÖбØÐëÓÃͬһ²Î±È̬µÄÈÈЧӦÊý¾Ý (2) ÔÚͬһËãʽÖпÉÓò»Í¬²Î±È̬µÄÈÈЧӦÊý¾Ý (3) ÔÚ²»Í¬ËãʽÖпÉÓò»Í¬²Î±È̬µÄÈÈЧӦÊý¾Ý (4) ÔÚ²»Í¬ËãʽÖбØÐëÓÃͬһ²Î±È̬µÄÈÈЧӦÊý¾Ý (A) 1,3 (B) 2,4 (C) 1,4 (D) 2,3 0485 ÑõÆøµÄȼÉÕÈÈӦΪºÎÖµ? ( )

(A) ´óÓÚÁã (B) СÓÚÁã (C) µÈÓÚÁã (D) ²»È·¶¨ 0486

Cl2(g)µÄȼÉÕÈÈΪºÎÖµ? ( )

(A) HCl(g)µÄÉú³ÉÈÈ (B) HClO3µÄÉú³ÉÈÈ (C) HClO4µÄÉú³ÉÈÈ (D) Cl2(g)Éú³ÉÑÎËáË®ÈÜÒºµÄÈÈЧӦ

0487

1 mol 18¡æµÄHClÆøÌåÈܽâÔÚ×°ÓÐ900 gµÄ18¡æµÄÁ¿ÈÈÆ÷ÖÐ,ʹÁ¿Æ÷ÄÚµÄζÈÉýÖÁ35¡æ(¼Ù

ÉèÁ¿ÈȼÆÓë»·¾³Ã»ÓÐÈȽ»»»)¡£ÒÑÖªÁ¿ÈȼƵÄÈȵ±Á¿Îª 170 gË®,ÈÜÒºµÄ±ÈÈÈΪ 3.77 J¡¤K-1¡¤g-1, ÊÔ¼ÆËã18¡æÊ±1 mol HCl(g)ÈܽâÔÚ900 gË®ÖеÄÈܽâÈÈ¡£

0488

ÔÚʵÑéÊÒÁ¿ÈÈʵÑéÖУ¬½«0.100 dm3,0.500 mol¡¤dm-3µÄCH3COOHºÍ0.100 dm3, 0.500 mol¡¤dm-3

µÄNaOH»ìºÏÔÚÒ»Á¿ÈȼÆÖÐ,ζȴÓ25¡æÉýÖÁ27.55¡æ¡£Á¿ÈȼƵÄÓÐЧÈÈÈÝΪ150.6 J¡¤K-1, 0.250 mol¡¤dm-3µÄCH3COONaÈÜÒºµÄ±ÈÈÈΪ4.03 J¡¤K-1¡¤g-1,ÆäÃܶÈΪ1.034 g¡¤cm-3¡£ÊÔ¼ÆËãCH3COOHµÄĦ¶ûÖкÍÈÈ¡£ 0489

ÒÑÖªp?,298 Kʱ£º ¦ÅC¡ªC=348 kJ¡¤mol-1 , ¦ÅC¡ªH= 413 kJ¡¤mol-1 ¦ÅC¨TC=607 kJ¡¤mol-1 , ¦ÅH¡ªH= 436 kJ¡¤mol-1

?C2H4(g)+H2(g) µÄ¦¤rH $Çó·´Ó¦CH3¡ªCH3(g)??m(298 K)¡£

0490

ÇóÒÒ´¼ÍÑË®ÖÆÒÒÏ©·´Ó¦µÄ¦¤rH $m(298 K)¡£ÒÑÖª£º

¦ÅC¡ªH= 413 kJ¡¤mol-1, ¦ÅC¡ªC=345.6 kJ¡¤mol-1 ¦ÅC¡ªO=357.7 kJ¡¤mol-1, ¦ÅC¡ªC= 610.0 kJ¡¤mol-1 ¦ÅO¡ªH= 462.8 kJ¡¤mol-1

0491

¼ÆËãp?,298 Kʱ±ûȲµÄ±ê׼Ħ¶ûÉú³Éìʦ¤fH m(298 K)¡£ÒÑÖª£º (1) C(s)=C(g) ¦¤atH m=718.38 kJ¡¤mol-1 (2) H2(g)=2H(g) ¦¤atH m=217.94 kJ¡¤mol-1 (3) ?(C¡ªC)= 413 kJ¡¤mol-1 (4) ?(C£½C)=345.6 kJ¡¤mol-1 (5) ?(C¡ÔC)=835.1 kJ¡¤mol-1 0492

ÊÔ¼ÆËãC¡ªH¼üìÊÖµ ?(C¡ªH)¡£ÒÑÖª£º (1) CH4(g)+2O2(g)=CO2(g)+2H2O(l) ¦¤rH m(1)=-890.36 kJ¡¤mol-1 (2) CO2(g)=C(s)+O2(g) ¦¤rH m(2)= 393.5 kJ¡¤mol-1

$$$$$ (3) 2H2O(l)=2H2(g)+O2(g) ¦¤rH $mol-1 m(3)= 571.7 kJ¡¤ (4) 2H2(g)=4H(g) ¦¤rH $mol-1 m(4)= 871.57 kJ¡¤ (5) C(s)=C(g) ¦¤rH $mol-1 m(5)= 718.38 kJ¡¤ 0493

(1) ÒÑÖªÏÂÁÐÎïÖʵÄȼÉÕÈÈֵΪ£º ¦¤cH $mol-1 m(298 K)[H2(g)]=-241.8 kJ¡¤ ¦¤cH $mol-1 m(298 K)[C6H6(g)]=-3168 kJ¡¤ ¦¤cH $mol-1 m(298 K)[C6H12(g)]=-3689 kJ¡¤

¼ÆËã·´Ó¦£º C6H6(g)+3H2(g)=C6H12(g)µÄ¦¤rH $m(298 K)¡£

(2) ÒÑÖª¸÷ÎïÖʵÄĦ¶ûÈÈÈÝΪ£º Cp[C6H6(g)]=[11.7+0.247(T/K)] J¡¤K-1¡¤mol-1 Cp[C6H12(g)]=[10.9+0.401(T/K)] J¡¤K-1¡¤mol-1 Cp[H2(g)]=28.9 J¡¤K-1¡¤mol-1 Çó125¡æÊ±ÉÏÊö·´Ó¦µÄ¦¤rH $m¡£ 0494

»¯·Ê³§ÔìÆø¹¤¶ÎÖÐͬʱ½øÐÐÁ½¸ö·´Ó¦ (ÉèѹÁ¦ºã¶¨)£º (1) C(s)+(1/2)O2(g)=CO(g) ¦¤rHm,1=-110.5 kJ¡¤mol-1 (2) C(s)+H2O(g)=CO(g)+H2(g) ¦¤rH m,2= 131.3 kJ¡¤mol-1

ΪʹÔìÆøÂ¯Î±£³Öºã¶¨,ÎÊ¿ÕÆøºÍË®ÕôÆøÍ¨ÈëµÄÌå»ý±ÈÓ¦ÊǶàÉÙ? (ÉèÔìÆø¹ý³ÌÖÐÓÐ10% µÄÈÈÁ¿É¢Ê§;Éè¿ÕÆøÖÐN2ºÍO2Ìå»ý±ÈΪ80:20 ) 0495

ºÏ³É°±³§ÔìÆø¹¤¶ÎµÄÆø»¯Â¯Öзֱð½øÐÐÁ½¸ö·´Ó¦ (ÉèѹÁ¦ºã¶¨) (1) C(s)+(1/2)O2(g)=CO(g) ¦¤rHm,1=-110.5 kJ¡¤mol-1 (2) C(s)+H2O(g)=CO(g)+H2(g) ¦¤rHm,2= 131.3 kJ¡¤mol-1

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