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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/mol890.3 kJ/mol、2800 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(l)                  △H= +571.6 kJ/mol

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

D．C₆H₁₂O₆(s) +6O₂(g)＝6CO₂(g)+6H₂O(l)     △H=―2800 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、285.8 kJ/mol

890.3 kJ/mol、2800 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．2H₂O(l)＝2H₂(g)+O₂(g)                △H= +571.6 kJ/mol

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

D．C₆H₁₂O₆(s) +6O₂(g)＝6CO₂(g)+6H₂O(l)     △H= ―2800 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、285.8 kJ/mol、890.3 kJ/mol、2800 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(l)                 △H = +571.6 kJ/mol

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

D．C₆H₁₂O₆(s) +6O₂(g)＝6CO₂(g)+6H₂O(l)     △H = ―2800 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、285.8 kJ/mol、890.3 kJ/mol、2800 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(l)                   △H= +571.6 kJ/mol

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

D．C₆H₁₂O₆(s) +6O₂(g)＝6CO₂(g)+6H₂O(l)     △H= ―2800 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、285.8 kJ/mol、890.3 kJ/mol、2800 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(l)                   △H= +571.6 kJ/mol

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

D．C₆H₁₂O₆(s) +6O₂(g)＝6CO₂(g)+6H₂O(l)     △H= ―2800 kJ/mol