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已知：Fe₂O₃(s) + C(s) = CO₂(g) + 2 Fe(s)   ΔΗ=234.1 kJ?mol^-1

          C(s) + O₂(g) = CO₂(g)                   ΔΗ=-393.5 kJ?mol^-1

  則2 Fe(s)+ O₂(g) = Fe₂O₃(s) 的ΔΗ 是

A．-824.4 kJ?mol^-1             B．-627.6 kJ?mol^-1

C．-744.7 kJ?mol^-1             D．-169.4 kJ?mol^-1

已知：Fe₂O₃(s) + C(s) = CO₂(g) + 2 Fe(s)   ΔΗ=234.1 kJ?mol^-1

          C(s) + O₂(g) = CO₂(g)                   ΔΗ=-393.5 kJ?mol^-1

  則2 Fe(s)+ O₂(g) = Fe₂O₃(s) 的ΔΗ 是

A．-824.4 kJ?mol^-1             B．-627.6 kJ?mol^-1

C．-744.7 kJ?mol^-1             D．-169.4 kJ?mol^-1

已知：Fe₂O₃(s) + C(s) = CO₂(g) + 2 Fe(s)   ΔΗ=234.1 kJ·mol^-1

          C(s) + O₂(g) = CO₂(g)                   ΔΗ=-393.5 kJ·mol^-1

  則2 Fe(s)+ O₂(g) = Fe₂O₃(s) 的ΔΗ 是

A．-824.4 kJ·mol^-1             B．-627.6 kJ·mol^-1

C．-744.7 kJ·mol^-1             D．-169.4 kJ·mol^-1

已知：Fe₂O₃(s) + C(s) = CO₂(g) + 2 Fe(s)  ΔΗ="+234.1" kJ·mol^-1
C(s) + O₂(g) = CO₂(g)                  ΔΗ="-393.5" kJ·mol^-1
則2 Fe(s)+ O₂(g) = Fe₂O₃(s) 的ΔΗ是：

已知：Fe₂O₃(s) + C(s) = CO₂(g) + 2 Fe(s)  ΔΗ="+234.1" kJ·mol^-1

C(s) + O₂(g) = CO₂(g)                  ΔΗ="-393.5" kJ·mol^-1

則2 Fe(s)+ O₂(g) = Fe₂O₃(s) 的ΔΗ是：

A．-169.4kJ·mol^-1                         B．-627.6 kJ·mol^-1

C．-744.7 kJ·mol^-1                        D．-824.4 kJ·mol^-1