From the following data, the heat of formation of ca(oh),(s) at 18°c is 6. cao(s)+ h,o() = ca(oh),(s); ah = 15.26 kcal kcal: .) 1 ho0)= h,o)+0,(9): ah = 68.37 k

From the following data, the heat of formation of Ca(OH),(s) at 18°C is 6. CaO(s)+ H,O() = Ca(OH),(s); AH = 15.26 kcal kcal: .) 1 HO0)= H,o)+0,(9): AH = 68.37 kcal .i) Ca(s)+O,(g) 1 = CaO(s); AH = -151.80 kcal ..i) (A) -98.69 (B) -235.43 (C) 194.91 (D) 98.69