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£1559?9 kJ¡¤mol£¬Ôò·´Ó¦C2H4(g) + H2(g) == C2H6(g)ÔÚ25 ¡æµÄ?rH= ¡£ [2.0·Ö]6. 25¡æʱH2O(l)¼°H2O(g)µÄ±ê׼Ħ¶ûÉú³ÉìÊ·Ö±ðΪ£286 kJ¡¤mol-1¼°£242 kJ¡¤mol-1¡£ÔòË®ÔÚ25¡æʱµÄĦ¶ûÆø»¯ìÊ?vapHm = ¡£
[2.0·Ö]7. ÒÑÖªCH3OH(l) µÄ?cH(CH3OH , l , 298 K) =£726?64 kJ¡¤mol-1£»HCHO(g)µÄ ?cH(HCHO , g , 298 K) =£563?58 kJ¡¤mol-1£»ÔòÏÂÁз´Ó¦µÄCH3OH(l) + O2(g) == HCHO(g) + H2O(l)
µÄ?rH(298 K) = ¡£
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O2(g) == SO3(g)£¬ ?fH(SO3 ,g) =£395?7 kJ¡¤mol-1£»
O2(g) == SO3(g)
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ÔÚ25 ¡æʱµÄ ?fH= ¡£
[2.0·Ö]11. ÒÑÖªÆø̬±½ºÍҺ̬±½ÔÚ298 KµÄ±ê׼Ħ¶ûÉú³ÉìÊ·Ö±ðΪ82?93 kJ¡¤mol-1ºÍ49?03 kJ¡¤mol-1£¬Ôò298 K±½µÄĦ¶ûÆø»¯ìÊ?vapHm = ¡£
[2.0·Ö]12.ÒÑÖª£º?cH£¨C2H5OH , l , 298 K) =£1368 kJ¡¤mol-1£» ?cH£¨C2H4 , g , 298 K) =£1411 kJ¡¤mol-1£»
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C(ʯī) + 2H2O(g) === CO2(g) + 2H2(g) µÄ?rH= ¡£
[2.0·Ö]14. ÒÑÖª£º?cH(CH3COOH , l , 298 K) =£874 kJ¡¤mol-1£» ?cH(C2H5OH , l , 298 K) =£1368 kJ¡¤mol-1£»
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[2.0·Ö]15. ÒÑÖª25 ¡æʱC3H8(g)£¬C2H4(g)£¬CH4(g)£¬µÄ?cH·Ö±ðΪ£2220?07 kJ¡¤mol-1£¬£1410?97 kJ¡¤mol-1£¬£890?31 kJ¡¤mol-1£¬ÔòͬζÈÏ·´Ó¦C3H8(g) == C2H4(g) + CH4(g)µÄ?rH= ¡£ Ò»¡¢Ìî¿Õ(¶þ)
[2.0·Ö]1. 25¡æʱ·´Ó¦H2(g) +
Cl2(g) === HCl(g) µÄDrH= £92.3 kJ¡¤mol-1,ÈôÆøÌå¿É
¿´×÷ÀíÏëÆøÌ壬Ôò¸Ã·´Ó¦µÄDrU= ¡£
[2.0·Ö]2. ÒÑÖªDfH (SO2 , g , 298 K) =£296.81 kJ¡¤mol-1£» DfH(H2S , g , 298 K) =£20.50 kJ¡¤mol-1£» DfH (H2O , g , 298 K) =£241.81 kJ¡¤mol-1£»
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