生成物的标准摩尔生成焓减去反应物的标准摩尔生成焓就是反应的标准焓变,燃烧热是焓变得负值
CH3OH(g)+1/2氧气(g)=co2(g);△H=-192.9kj/mol
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相关问题
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CH5OH(g)+1/2O2(g)=CO2(g)+2H2(g) △H=-192.9 kj/mol的燃烧热为192.9kj
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ch3oh(g)+1/2o2(g)=co2(g)=2h2(g)+192.9kj
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CO(g)+2H2(g)=CH3OH(g) △H= -90.8kJ/mol
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CH3OH(g)+1/2O2(g)====CO2(g)+2H2(g) △H=+190KJ/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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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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反应CO2(g)+3H2(g)==CH3OH(g)+H2O(g),△H=-a KJ/mol.在1L密闭容器中充入1mol
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co(g)+2h2(g)可逆ch3oh(g) △h=-90.8kj·mol 该反应的化学平衡常数
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CH3CH2OH(l)+3O2(g)=2CO2(g)+3H2O(l) △H=1366.8kj/mol 2H2(g)+O2
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(2012•昌平区二模)已知:①CH3OH(g)+H2O(g)=CO2(g)+3H2(g),△H=+49.0kJ•mol