Enthalpies of formation of `CCl_(4)(g),H_(2)O(g),CO_(2)(g)` and `HCl` are `-105,-242,-394` and `-92 kJmol^(-1)` respectively.The magnitude of enthalpy of the reaction given below is ______ `kJ mol^(-1)`(nearest integer)
`CCl_(4)(g)+2H_(2)O(g) rarr CO_(2)(g)+4HCl(g)`

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)

The molar enthalpies of combustion of C_(2)H_(2)(g), C("graphite") and H_(2)(g) are -1300,-394 , and -286 kJ mol^(-1) , respectively. The standard enthalpy of formation of C_(2)H_(2)(g) is

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 enthalpy of formation of C_(2)H_(4)(l) , CO_(2)(g) and H_(2)O(l) are 52 , 394 and -286 kJ mol^(-1) respectively. Then the amount of heat evolved by burning 7g of C_(2)H_(4)(g) is

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)

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) .

The enthalpy of formation for C_(2)H_(4)(g) , CO_(2)(g) and H_(2)O(l) at 25^(@)C and 1 atm. Pressure be 52 , -394 and -286 kJ mol^(-1) respectively. The enthalpy of combustion of C_(2)H_(4)(g) will be