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H2(g)+1/2O2(g)H2O(l)ΔH=-285.8 kJ/mol
CO(g)+1/2O2(g)CO2(g)ΔH=-283.0 kJ/mol
C8H18(l)+25/2O2(g)8CO2(g)+9H2O(l)ΔH=-5 518 kJ/mol
CH4(g)+2O2(g)CO2(g)+2H2O(l)ΔH=-890.3 kJ/mol
相同质量的H2、CO、C8H18、CH4完全燃烧时,放出热量最少的是( )
A.H2(g) B.CO(g)
C.C8H18(l) D.CH4(g)
查看习题详情和答案>>H2(g)+O2(g)H2O(l);
ΔH=-285.8 kJ·mol-1
CO(g)+O2(g)CO2(g);
ΔH=-283.0 kJ·mol-1
C8H18(l)+O2(g)8CO2(g)+9H2O(l);
ΔH=-5518 kJ·mol-1
CH4(g)+2O2(g)CO2(g)+2H2O(l);
ΔH=-890.3 kJ·mol-1
相同质量的H2、CO、C8H18、CH4完全燃烧时,放出热量最少的是( )
A.H2(g) B.CO(g)
C.C8H18(l) D.CH4(g)
查看习题详情和答案>>H2(g)+1/2O2(g)====H2O(l);ΔH=-285.8 kJ·mol-1
CO(g)+1/2O2(g)====CO2(g);ΔH=-283 kJ·mol-1
C8H18(l)+25/2O2(g)====8CO2(g)+9H2O (l);ΔH=-5518 kJ·mol-1
CH4(g)+2O2(g)====CO2(g)+2H2O(l);ΔH=-890.3 kJ·mol-1
相同质量的H2、CO、C8H18、CH4完全燃烧时,放出热量最少的是( )
A.H2(g) B.CO(g) C.C8H18(l) D.CH4(g)
查看习题详情和答案>>H2(g)+O2(g)H2O(l) ΔH=-285.8 kJ·mol-1
CO(g)+O2(g) CO2(g) ΔH=-283.0 kJ·mol-1
C8H18(l)+O2(g) 8CO2(g)+9H2O(l) ΔH=-5 518 kJ·mol-1
CH4(g)+2O2(g) CO2(g)+2H2O(l) ΔH=-890.3 kJ·mol-1
相同质量的H2、CO、C8H18、CH4完全燃烧时,放出热量最少的是( )
A.H2(g) B.CO(g) C.C8H18(l) D.CH4(g)
查看习题详情和答案>>H2(g)+ O2(g)====H2O(l);ΔH=-285.8 kJ·mol-1
CO(g)+ O2(g) ====CO2(g);ΔH=-283.0 kJ·mol-1
C8H18(l)+O2(g)====8CO2(g)+9H2O(l);ΔH=-5518 kJ·mol-1
CH4(g)+2O2(g) ====CO2(g)+2H2O(l);ΔH=-890.3 kJ·mol-1
相同质量的H2、CO、C8H18、CH4完全燃烧时,放出热量最少的是( )
A.H2(g) B.CO(g) C.C8H18(l) D.CH4(g)
查看习题详情和答案>>