已知：Fe2O3(s)+ 3/2C(s)= 3/2CO2(g)+2Fe(s) △H=" +234.1" kJ/mol
C(s)+O2(g)=CO2(g) △H=" -393.5" kJ/mol
则反应2Fe(s)+ 3/2O2(g)=Fe2O3(s)的△H是
| A．-169.4 kJ/mol | B．-627.6 kJ/mol |
| C．-744.7 kJ/mo | D．-824.4 kJ/mol |
相关试题
已知：Fe2O3(s)+ 3/2C(s)= 3/2CO2(g)+2Fe(s) △H=" +234.1" kJ/mol
C(s)+O2(g)=CO2(g) △H=" -393.5" kJ/mol
则反应2Fe(s)+ 3/2O2(g)=Fe2O3(s)的△H是
| A．-169.4 kJ/mol | B．-627.6 kJ/mol |
| C．-744.7 kJ/mo | D．-824.4 kJ/mol |
和
说法正确的是
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