Question

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2CH3OH(l)£«3O2(g)==2CO2(g)£«4H2O(l) ¦¤H£½£­1452 kJ¡¤mol£­1

H£«(aq)£«OH£­(aq)==H2O(l) ¦¤H£½£­57.3 kJ¡¤mol£­1

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A£®H2(g)µÄȼÉÕÈÈΪ571.6 kJ¡¤mol£­1

B£®Í¬ÖÊÁ¿µÄH2(g)ºÍCH3OH(l)ÍêȫȼÉÕ£¬H2(g)·Å³öµÄÈÈÁ¿¶à

C£®1/2H2SO4(aq)£«1/2Ba(OH)2(aq)== 1/2BaSO4(s)£«H2O(l) ¦¤H£½£­57.3 kJ¡¤mol£­1

D£®3H2(g)£«CO2(g)=CH3OH(l)£«H2O(l) ¦¤H£½£«135.9 kJ¡¤mol£­1

Answer 1