1.

Calculate the enthalpy of formation of HBr (g) from the following data : SO_(2)(aq)+(1)/(2)O_(2)(g) to SO_(3)(aq), DeltaH=-63.7 kcal 2Br(g)+SO_(2)(aq)+H_(2)O(l) to 2HBr (aq)+SO_(3)(aq), DeltaH=-54 kcal H_(2)(g)+(1)/(2)O_(2)(g) to H_(2)O (l), DeltaH=-68.4 kcal HBr(g)+aq to HBr (aq), DeltaH=-20 kcal

Answer»


ANSWER :(-9.4 KCAL)


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