已知C(s)+O2(g)=CO2(g);△H= —393.5KJ/mol
H2(g)+1/2O2(g)=H2O(g);△H= —241.5KJ/mol
欲得到相同热量,需充分燃烧C和H2的质量比约为 ( )
A.12:3.25 | B.3.25:12 | C.1:1 | D.6:1 |
已知C(s)+O2(g)=CO2(g);△H= —393.5KJ/mol
H2(g)+1/2O2(g)=H2O(g);△H= —241.5KJ/mol
欲得到相同热量,需充分燃烧C和H2的质量比约为 ( )
A.12:3.25 | B.3.25:12 | C.1:1 | D.6:1 |
试题篮
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