`DeltaH` for the reaction, `OF_(2)+H_(2)OrarrO_(2)+2HF`
(B.E. of `O-F, O-H, H-F and O=O` are 44, 111, 135 and `"119 kcal mol"^(-1)` respectively)

Find Delta_(r )H of the reaction : OF_(2)(g)+H_(2)O(g)rarr O_(2)(g)+2HF(g) , Average bond energies of O-F, O-H, O=O, H-F are 44, 111, 118 and 270 kcal/mol respectively.

Find DeltaH of the following reaction: OF_(2)(g) +H_(2)O(g) rarr O_(2)(g)+2HF (g) , average bond energies of O -F, O-H, O =O , and H - F are 44,111, 118 , and 135 kcal mol^(-1) , respectively.

Find DeltaH of the following reaction: OF_(2)(g) +H_(2)O(g) rarr O_(2)(g)+2HF (g) , average bond energies of O -F, O-H, O =O , and H - F are 44,111, 118 , and 135 kcal mol^(-1) , respectively.

Find Delta H of the following reaction : OF_(2) (g) + H_(2)O(g) rarr O_(2)(g) + 2 HF (g) , average bond energies of, O – H, O = O, H – F , O – F, are 111, 118, 135 and 44 kcal/mol respectively

Calculate the standard enthalpy change (in kJ "mol"^(-1) ) for the reaction H_(2)(g)+O_(2)(g)toH_(2)O_(2)(g) , given that bond enthalpy of H-H, O=O,O-H and O-O (in kJ "mol"^(-1) ) are respectively 438, 498, 464 and 138.

Calculate the standard enthalpy change (in kJ "mol"^(-1) ) for the reaction H_(2)(g)+O_(2)(g)toH_(2)O_(2)(g) , given that bond enthalpy of H-H, O=O,O-H and O-O (in kJ "mol"^(-1) ) are respectively 438, 498, 464 and 138.

Calculate the standard enegry change for the reaction: OF_(2)(g) +H_(2)O(g) rarr O_(2)(g) +2HF(g) at 298K The standard enthalpies of formation of OF_(2)(g), H_(2)O(g) , and HF(g) are +20, -250 , and -270 kJ mol^(-1) , respectively.