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The standared enthalpies of formation at...

The standared enthalpies of formation at `298K` for `C C1(g), H_(2)O(g), CO_(2)(g)` and `HC1(g)` are `-106.7, -241.8, -393.7`, and `-92.5kJ mol^(-1)`, respectively. Calculate `DeltaH^(Theta)underset(298K)` for the reaction
`C C1_(4)(g) +2H_(2)O(g) rarr CO_(2)(g) +4HCI_(g)`

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The correct Answer is:
`-41.4 kcal`
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The standard heat of formation of at 298 K for CCl_(4)(g), H_(2)O(g), CO_(2)(g) and HCI(g) are -25.5, -57.8, -94.1 and -22.1 kcal mol^(-1) respectively. Calculate Delta_(r)H^(Theta) for the reaction r CCl_(4)(g)+2H_(2)O(g) rarr CO_(2)(g)+4HCl(g) Hint : Delta_(r)H^(Theta) = sum Delta_(f)H_("Products")^(Theta)- sum Delta_(f)H_("Reactants")^(Theta)

The standard heats of formation at 298K for C Cl_(4)(g),H_(2)O(g),CO_(2)(g) and HCl(g) are -25.5,-57.8,-94.1 and -22.1 kcal mol^(-1) respectively. Calculate DeltaH_(298)^(@) for the reaction. C Cl_(4)(g)+2H_(2)O(g)toCO_(2)(g)+4HCl(g) .

At 298 K, the heats of formation fo C Cl_(4) (g), H_(2)O(g), CO_(2)(g) and HCl(g) are -25, -57, -94 and -22 K.cal mol^(-1) respectively. The DeltaH of the reaction: C Cl_(4)(g) +2H_(2)O rarr CO_(2) (g) +4HCl(g)

DeltaH_(t)^(@) for CO_(2)(g) and H_(2)O(g) are -393.5, -110.5 and -241.8 kJ"mol"^(-1) respectively. The standard enthalpy change (in kJ) for the reaction. CO_(2)(g) + H_(2)(g) to CO(g) + H_(2)O(g) is:

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