已知:Fe2O3= CO2 △H= +234.1kJ·mol-1 C(s)+O2(g)=CO2(g) △H=-393.5kJ·mol-1 则2Fe(s)+O2(g)=Fe2O3(s)的△H是 ——青夏教育精英家教网—

摘要：已知:Fe2O3= CO2 △H= +234.1kJ·mol-1 C(s)+O2(g)=CO2(g) △H=-393.5kJ·mol-1 则2Fe(s)+O2(g)=Fe2O3(s)的△H是 A．-824.4kJ·mol-1 B．-627.6kJ·mol-1 C．-744.7kJ·mol-1 D．-169.4kJ·mol-1

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

C(s)＋O₂(g)=CO₂(g) △H=－393.5kJ·mol^－1则2Fe(s)＋O₂(g ) = Fe₂O₃(s) 的△H是

A．－824.4kJ·mol^－1B．－627.6kJ·mol^－1

C．－744.7kJ·mol^－1D．－169.4kJ·mol^－1

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

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

则 2Fe(s)＋O₂(g)=Fe₂O₃(s)的△H是 ( )

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

C．－744.7kJ·mol^－1D．－169.4kJ·mol^－1

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已知：Fe₂O₃(s)＋3/2C(s)= 3/2CO₂(g)＋2Fe(s) △H =＋234．1kJ·mol^－1
C(s)＋O₂(g)=CO₂(g) △H=－393．5kJ·mol^－1 则2Fe(s)＋3/2O₂(g)=Fe₂O₃(s)的△H是

[ ]

A．－824．4kJ·mol^－1
B．－627．6kJ·mol^－1
C．－744．7kJ·mol^－1D．－169．4kJ·mol^－1

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已知：Fe₂O₃(s)+3/2C(s)=3/2CO₂(g)+2Fe(s) △H= +234.1kJ·mol^-1 ;
C(s)+O₂(g)=CO₂(g) △H= -393.5kJ·mol^-1。
则2Fe(s)+3/2O₂(g)=Fe₂O₃(s)的△H是

[ ]

A. -824. 4kJ·mol^-1B. -627. 6kJ·mol^-1C. -744. 7kJ·mol^-1D. -169. 4kJ·mol^-1

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已知：Fe₂O₃(s)＋3/2C(s)=3/2CO₂(g)＋2Fe(s) △H=234．1kJ·mol^-1
C(s)＋O₂(g)=CO₂(g) △H=－393．5kJ·mol^-1
则2Fe(s)＋3/2O₂(g)=Fe₂O₃(s)的△H是

[ ]

A．－824．4kJ·mol^-1
B．－627．6kJ·mol^-1
C．－744．7kJ·mol^-1D．－169．4kJ·mol^-1

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