The standard heat of formation of `U_(3)O_(8)` is -853.5 kcl//mol and the standard heat of the reaction `3UO_(2) +O_(2) rarr U_(3)O_(8)` is -76.01 Kcal.
The standard heat of formation of `UO_(2)` is

The standard heat of formation of U_(3)O_(8) is -853.5 kcal mol^(-1) and standar heat of the reaction, 3UO_(2)+O_(2) rarr U_(3)O_(8) is -76.01kcal . The standard heat of formation of UO_(2) is (are):

The heat of formation of Fe_(2)O_(3) is -824.2 kJ mol^(-1). Delta H for the reaction 2Fe_(2)O_(3)(s)rarr 4Fe(s)+3O_(2)(g) is :

The heat of formation of H_(2)O(l) is -68.0 kcal, the heat of formation of H_(2)O(g) can logically be

The heat of formation of H_(2)O(l) is -68.0 kcal, the heat of formation of H_(2)O(g) can logically be

the standard heat of formation of Fe2O3 (s) is 824.2kJ mol-1 Calculate heat change for the reaction. 4Fe(s) + 302 (g)= 2Fe2O3(s)

Calculate the standard heat of formation of C_(10)H_(8) (naphthalene) if standard heat of combustion of nephathalene is -123.0 kcal at 298K and standard heats of formation of CO_(2)(g) and H_(2)O(l) are -94.0 kcal and -68.4 kcal respectively.