A.431 KJ/mol | B.946 KJ/mol | C.649 KJ/mol | D.869 KJ/mol |
A.CH4 (g)+2NO2 (g)= N2 (g)+CO2 (g)+2H2O (l) ;△H=―867 kJ·mol-1 |
B.若0.2 mol CH4还原NO2至N2,在上述条件下放出的热量为173.4 kJ |
C.CH4催化还原NOx为N2的过程中,若x=1.6,则转移的电子为3.2 mol |
D.若用标准状况下2.24L CH4还原NO2至N2,整个过程中转移的电子为1.6 mol |
A.283 | B.374.4 | C.512 | D.566 |
① | ② |
③ | ④ |
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