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

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