Determine the heat of the following reaction: `FeO(s)+Fe_(2)O_(3)(s)toFe_(3)O_(4)(s)` Given informations: `2Fe(s)+O_(2)(g)to2FeO(s)," "DeltaH^(@)=-544kJ` `4Fe(s)+3O_(2)(g)to2Fe_(2)O_(3)(s)," "DeltaH^(@)=-1648.4kJ` `Fe_(3)O_(4)(s)to3Fe(s)+2O_(2)(g),DeltaH^(@)=+1118.4kJ`A. `-1074kJ`B. `-22.2kJ`C. `+249.8kJ`D. `+2214.6kJ`b

Determine the heat of the following reaction: `FeO(s)+Fe_(2)O_(3)(s)to

1.	Determine the heat of the following reaction: `FeO(s)+Fe_(2)O_(3)(s)toFe_(3)O_(4)(s)` Given informations: `2Fe(s)+O_(2)(g)to2FeO(s)," "DeltaH^(@)=-544kJ` `4Fe(s)+3O_(2)(g)to2Fe_(2)O_(3)(s)," "DeltaH^(@)=-1648.4kJ` `Fe_(3)O_(4)(s)to3Fe(s)+2O_(2)(g),DeltaH^(@)=+1118.4kJ`A. `-1074kJ`B. `-22.2kJ`C. `+249.8kJ`D. `+2214.6kJ`b
Answer» `2FeO(s)to2Fe(s)+O_(2)(g)," "DeltaH^(@)=+544kJ` `2Fe_(2)O_(3)(s)to4Fe(s)+3O_(2)(g),DeltaH^(@)=+1648.4kJ` `underline(6Fe(s)+4O_(2)(g)to2Fe_(2)O_(4)(s)," "DeltaH^(@)=-2xx1118.4kJ)` On adding, `underline(2FeO(s)+2Fe_(2)O_(3)(s)to2Fe_(3)O_(4)(s)," "DeltaH^(@)=44.4kJ)` `thereforeFeO(s)+Fe_(2)O_(3)(s)toFe_(3)O_(4)(s)," "DeltaH^(@)=-22.2kJ)`.

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