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A.C(s)+O₂(g)CO(g)ΔH=-393.5 kJ·mol^-1

B.2H₂(g)+O₂(g)2H₂O(g)ΔH=+571.6 kJ·mol^-1

C.CH₄(g)+2O₂(g)CO₂(g)+2H₂O(g)ΔH=-890.3 kJ·mol^-1

D.C₆H₁₂O₆(s)+3O₂(g)3CO₂(g)+3H₂O(l) ΔH=-1 400 kJ·mol^-1

A.C(s)+1/2O₂(g)====CO(g);ΔH=-393.5 kJ·mol^-1

B.2H₂(g)+O₂(g) ====2H₂O(g);ΔH=+571.6 kJ·mol^-1

C.CH₄(g)+2O₂(g) ====CO₂(g)+2H₂O(g);ΔH=-890.3 kJ·mol^-1

D.1/2C₆H₁2O₆(s)+3O₂(g) ====3CO₂(g)+3H₂O(1);ΔH=-1 400 kJ·mol^-1

25℃、101 kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5 kJ/mol、285.8 kJ/mol、890.3 kJ/mol、2 800 kJ/mol,則下列熱化學方程式正確的是（　�。�

A．C(s)+ O₂(g)=CO(g)；△H=－393.5 kJ/mol

B．2H₂(g)+O₂(g)=2H₂O(g)；△H=＋571.6 kJ/mol

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

D．C₆H₁₂O₆（s）+3O₂(g)=3CO₂(g)+3H₂O(l)；△H=－1 400 kJ/mol

25 ℃、101 kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5 kJ·mol－1、285.8 kJ·mol－1、890.3 kJ·mol－1、2 800 kJ·mol－1，則下列熱化學方程式正確的是????? (　　)。

A．C(s)＋O2(g)=CO(g)??? ΔH＝－393.5 kJ·mol－1

B．2H2(g)＋O2(g)=2H2O(g)???? ΔH＝＋571.6 kJ·mol－1

C．CH4(g)＋2O2(g)=CO2(g)＋2H2O(g)??? ΔH＝－890.3 kJ·mol－1

D．C6H12O6(s)＋3O2(g)=3CO2(g)＋3H2O(l)??? ΔH＝－1 400 kJ·mol－1

25℃、101 kPa下，碳、氫氣、甲烷和葡萄糖的燃燒熱依次是393.5 kJ/mol、285.8 kJ/mol、890.3 kJ/mol、2 800 kJ/mol，則下列熱化學方程式正確的是  (   )

A．C(s)＋O₂(g)=CO(g)  ΔH＝－393.5 kJ/mol

B．2H₂(g)＋O₂(g)=2H₂O(g)  ΔH＝＋571.6 kJ/mol

C．C₆H₁₂O₆(s)＋3O₂(g)=3CO₂(g)＋3H₂O(l)  ΔH＝－1 400 kJ/mol

D．CH₄(g)＋2O₂(g)=CO₂(g)＋2H₂O(g)  ΔH＝－890.3 kJ/mol