A.SO2(g)+1/202(g)SO3(g);△H=-98.3KJ·mol-1 |
B.2SO2(g)+O2(g)SO3(l);△H=-196.6KJ·mol-1 |
C.SO2(g)+1/2O2(g)SO3(g);△H=-78.64KJ·mol-1 |
D.2SO2(g)+O2(g)SO3(g);△H=+196.6KJ·mol-1 |
A.+184.6 kJ · mol-1 | B.-92.3 kJ · mol-1 |
C.-369.2 kJ · mol-1 | D.+92.3 kJ · mol-1 |
A.CH3CH2OH(l)+3O2(g)=2CO2(g)+ 3H2O(l);△H=+1367kJ/mol |
B.2CH3CH2OH(l)+6O2(g)=4CO2(g)+ 6H2O(l);△H=-2734kJ/mol |
C.2CH3CH2OH(l)+6O2(g)=4CO2(g)+ 6H2O(l);△H=-1367kJ/mol |
D.2CH3CH2OH(l)+6O2(g)=4CO2(g)+ 6H2O(l);△H=+2734kJ/mol |
A.Q1 > Q2 | B.Q1 = Q2 | C.2Q1 < Q2 | D.Q1 = 1/2Q2 |
A.5Q | B.小于2.5Q | C.大于5Q | D.2.5Q ~5Q |
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