From the following data at `25^(@)C`, Calculate the standard enthalpy of formation of `FeO(s)` and of `Fe_(2)O_(3) (s)`.
`{:(,"Reaction",Delta_(r)H^(@)" (kJ/mole)"),((1),Fe_(2)O_(3)(s)+3C ("graphite") rarr 2Fe(s) +3CO(g),492.6),((2),FeO(s)+C("graphite") rarr Fe(s)+CO(g),155.8),((3),C("graphite")+O_(2) (g) rarr CO_(2)(g),-393.51),((4),CO(g)+1//2O_(2)(g) rarr CO_(2)(g),-282.98):}`

Determine the standard enthalpy of formation of FeO(s) and Fe_(2)(O_(3)(s) from the following data : 3C("graphite",s) +Fe_(2)O_(3)(s) to 2 Fe(s)+3CO(g), Delta H^(0)= 492.6 kJ C("graphite",s)+FeO(s) to Fe(s)+CO(g), Delta H^(0)= 155.8 kJ C( "graphite",s)+O_(2)(g) to CO_(2)(g),Delta H^(0)= -393.51 kJ CO(g)+(1)/(2)O_(2)(s) to CO_(2)(g), Delta H^(0)= -282.98 kJ

For the reaction : C(s) + O_(2)(g) rarr CO_(2)(g)

C_((s))+O_(2(g))rarr CO_(2(g))+Q is ………………….

On the basis of following data , Evaluate the standard enthalpy of formation of tungsten carbide (WC) (i) W(s) + (3)/(2) O_(2) (g) to WO_(3) (s) Delta_(r) H^(@) = -837 kJ/mol (ii) WC(s) + (5)/(2) O_(2) (g) to WO_(3) (s) + CO_(2) (g) Delta_(r) H^(@) = -1196 kJ/mol (iii) C(graphite) + O_(2) (g) to CO_(2) (g) Delta H^(@) = -393.5 kJ/mol

From the data at 25^(@)C : Fe_(2)O_(3)(s) +3C_(("graphite")) rarr 2Fe(s) + 3CO(g), DeltaH^(Theta) = 492.0 kJ mol^(-1) FeO(s) +C_(("graphite")) rarr Fe(s) CO(g), DeltaH^(Theta) = 155.0 kJ mol^(-1) C_(("graphite")) +O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 393.0 kJ mol^(-1) CO(g)+(1)/(2)O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 282.0 kJ mol^(-1) Calculate the standard heat of formation of FeO(s) and Fe_(2)O_(3)(s) .

From the data at 25^(@)C : Fe_(2)O_(3)(s) +3C_(("graphite")) rarr 2Fe(s) + 3CO(g), DeltaH^(Theta) = 492.0 kJ mol^(-1) FeO(s) +C_(("graphite")) rarr Fe(s) CO(g), DeltaH^(Theta) = 155.0 kJ mol^(-1) C_(("graphite")) +O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 393.0 kJ mol^(-1) CO(g)+(1)/(2)O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 282.0 kJ mol^(-1) Calculate the standard heat of formation of FeSO(s) and Fe_(2)O_(3)(s) .

At 25^(@)C and 1 atm, the standard reaction enthalpy for the reaction C(graphite, s) +O_(2)(g)toCO_(2)(g) is the _____ of CO_(2)(g) .

Calculate DeltaH of the following reaction at 25^(@)C . 4Fe(s)+3O_(2)(g)to2Fe_(2)O_(3)(s) Given: Fe_(2)O_(3)(s)+3C("graphite")to2Fe(s)+3CO(g),DeltaH=117.30kcal C(graphite) +O_(2)(g)toCO_(2)(g),DeltaH=-94.05kcal CO(g)+(1)/(2)O_(2)(g)toCO_(2)(g),DeltaH=67.63kcal at 25^(@)C .