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已知下列数据:Fe(s) + 1/2O2(g) = FeO(s) ΔH=-272kJ/mol;2Al(s) + 3/2O2(g) = Al2O3(s) ΔH=-1675kJ/mol;则2Al(s) +...
题目内容:
已知下列数据:Fe(s) + 1/2O2(g) = FeO(s) ΔH=-272kJ/mol;2Al(s) + 3/2O2(g) = Al2O3(s) ΔH=-1675kJ/mol;则2Al(s) + 3FeO(s) = Al2O3(s) + 3Fe(s)的ΔH是
A.-859 kJ/mol B.+859 kJ/mol C.-1403 kJ/mol D.-2491 kJ/mol
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