热化学方程式是表示化学反应热效应的化学方程式，表示化学反应中的物质变化和焓变(或能量变化、热量变化)。精品小编准备了高中化学热化学方程式知识点，具体请看以下内容。

C(s)+1/2O2(g)==CO(g)；△H=-393.5kJ/mol

C(s)+O2(g)==CO2(g)；△H=-110.5kJ/mol

CO(g)+1/2O2(g)==CO2(g)；△H=-283.0kJ/mol

H2(g)+1/2O2(g)==H2O(g)；△H=-241.8kJ/mol

H2(g)+1/2O2(g)==H2O(l)；△H=-285.8kJ/mol

2H2(g)+O2(g)==2H2O(g)；△H=-483.6kJ/mol

2H2(g)+O2(g)==2H2O(l)；△H=-571.6kJ/mol

CH4(g)+2O2(g)==CO2(g)+2H2O(l)；△H=-890.3kJ/mol

C8H18(l)+12.5O2(g)==8CO2(g)+9H2O(l)；△H=-5518kJ/mol

C6H12O6(s)+6O2(g)==6CO2(g)+6H2O(l)；△H=-2800kJ/mol

N2H4(g)+O2(g)==N2(g)+2H2O(g)；△H=-534kJ/mol

S(s)+O2(g)==SO2(g)；△H=-297kJ/mol

FeS2(s)+11/4O2(g)==1/2Fe2O3(s)+2SO2(g)；△H=-853kJ/mol

SO2(s)+1/2O2(g)==SO3(g)；△H=-98.3kJ/mol

SO3(g)+H2O(l)==H2SO4(l)；△H=-130.8kJ/mol

H2(g)+Cl2(g)==2HCl(g)；△H=-184.6kJ/mol

C(s)+H2O(g)==H2(g)+CO2(g)；△H=+131.5kJ/mol

3H2(g)+N2(g)==2NH3(g)；△H=-92.2kJ/mol

2O2(g)+N2(g)==2NO2(g)；△H=+68kJ/mol

O2(g)+N2(g)==2NO(g)；△H= -kJ/mol

O2(g)+2NO(g)==2NO2(g)；△H= -kJ/mol

2NO2(g)==N2O4(g)；△H= -kJ/mol

Cu(s)+1/2O2(g)==CuO(s)；△H=-157kJ/mol

CaCO3(s)+==CaO(s)+CO2(g)；△H=+1777kJ/mol

C(石墨) + O2(g) === CO2(g)；△H = -393.51kJ •mol-1

C(金刚石) + O2(g) === CO2(g)；△H = -395.41kJ •mol-1

C(石墨) ===C(金刚石)；△H = +1.9kJ •mol-1

NaOH(aq)+HCl(aq)=NaCl(aq)+H2O(l)；△H=-57.3kJ/mol

KOH(aq)+HNO3(aq)=NaNO3(aq)+H2O(l)；△H=-57.3kJ/mol

NaOH(aq)+1/2H2SO4(aq)=1/2Na2SO4(aq)+H2O(l)；△H=-57.3kJ/mol

高中化学热化学方程式知识点已经呈现在各位教师面前，希望对你有所帮助。

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