생성엔탈피로 반응엔탈피 계산. CO(g) + NH3(g)

생성엔탈피로 반응엔탈피 계산. CO(g) + NH3(g)

 

 

What is ΔH°_rxn for the following chemical reaction?

CO(g) + NH3(g) → HCN(g) + H2O(g)

 

Element/Compound ... Standard Heat of Formation (kJ/mol)

H(g) ... 218

N(g) ... 473

NH3(g) ... -45.90

O(g) ... 249

CO(g) ... -110.5

H2O(g) ... -241.8

C(g) ... 71

HCN(g) ... 130.5

HNO3(aq) ... -206.6

 

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▶ 참고: 표준생성엔탈피로 표준반응엔탈피 계산

[ https://ywpop.tistory.com/3431 ]

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CO(g) + NH3(g) → HCN(g) + H2O(g)

 

ΔH°_rxn = [생성물들의 ΔH°_f 합] – [반응물들의 ΔH°_f 합]

= [(130.5) + (-241.8)] - [(-110.5) + (-45.90)]

= +45.1 kJ

= +45.1 kJ/mol