B
已知:CO 2 (g) + 3H 2 (g) CH 3 OH(g) + H 2 O(g) ΔH=
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相关问题
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已知CO 2 (g)+3H 2 (g) CH 3 OH(l)+H 2 O(l) Δ H =-130.9 kJ·mol -
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已知:CO 2 (g)+3H 2 (g) CH 3 OH(g)+H 2 O(g) △H="-49.0" kJ/mol。一
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(2012•昌平区二模)已知:①CH3OH(g)+H2O(g)=CO2(g)+3H2(g),△H=+49.0kJ•mol
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CO、H 2 在一定条件下合成乙醇:2CO(g)+4H 2 (g) CH 3 CH 2 OH(g)+H 2 O(g) △
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(8分)已知反应:CO(g) + H 2 O(g) H 2 (g) + CO 2 (g) Δ H =" Q"
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已知 ①C2H5OH(g)+3O2(g)==2CO2(g)+3H2O(g);△H1=-a kJ/mol; ②H2O(g)
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CH3OH(g)+1/2O2(g)====CO2(g)+2H2(g) △H=+190KJ/mol
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已知:2H2(g)+O2(g)═2H2O(c)△H=-wx3.6kJ•moc-32CH3OH(c)+3O2(g)═2CO