[" (C) "32.64" kJ/mol "],[" 50.From the ...

[" (C) "32.64" kJ/mol "],[" 50.From the following data,the heat of "],[" formation of "Ca(OH)_(2)(s)" at "18^(@)C" is "...." kcal "],[CaO(s)+H_(2)O(l)=Ca(OH)_(2)(s);Delta H=-15.26kcal....(i)],[H_(2)O(s)=H_(2)O(l)=Ca(BH)_(2)(s):Delta H=-151.26kcal...(iii)],[quad (A)-98.69],[" (C) "194.91],[" (C) "194.91],[" (C) "194.91],[" (C) "194.91],[" Axis INSTITUTE FOR IIT- "/EE/NFI/SE/NEI/SE/SE/SE/SE/PER/CU/CET]

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From the following data, the heat of formation of Ca(OH)_(2)(s) at 18^(@)C is …. Kcal. (i) CaO(s)+H_(2)O(l)=Ca(OH)_(2)(s) , Delta H18^(@)C=-15.26 Kcal….. (ii) H_(2)O(l)=H_(2)(g)+1//2O_(2)(g) , Delta H18^(@)C=68.37 Kcal…. (iii) Ca(s)+1//2O_(2)(g)=CaO(s) , Delta H 18^(@)C=-151.80 Kcal....

From the following data, the heat of formation of Ca(OH)_(2 (s)) at 18^(@) C is …………..kcal . CaO_((s)) + H_(2) O_((l)) to Ca(OH) _(2 (s)) , Delta H_(18^(@) C) = - 15.26 kcal " " …. (i) H_(2) O_((l)) to H_(2 (g)) + (1)/(2) O_(2 (g)) , Delta H_(18^(@) C) = 68.37 kcal " " .... (ii) Ca_((s)) + (1)/(2) O_(2 (g)) to CaO_((s)) , Delta H^(18^(@) C) = -151.80 kcal " " ... (iii)

From the following data, the heat of formation of Ca(OH)_(2 (g)) at 18^(@) C is ……….. Kcal : CaO_((s)) + H_(2) O _((l)) to Ca(OH)_(2 (s)) , Delta H_(18^(@) C) = -15.26 kcal " " …. (i) H_(2) O_((l)) to H_(2 (g)) + (1)/(2) O_(2 (g)) , DeltaH _(18^(@) C) = 68.37 kcal " " ... (ii) Ca_((s)) + (1)/(2) O_(2(g)) to CaO_((s)), DeltaH_(18^(@) C) = -151.80 kcal " " .... (iii)

The heat of formation of PCl_(5)(s) from the following data will be : 2P(s)+3Cl_(2)(g)to 2PCl_(3)(l), Delta H = - 151.8 Kcal and PCl_(3)(l)+Cl_(2)(g)to PCl_(5)(s) , Delta H =- 32.8 Kcal

Ca(s)+H_(2)O(l) overset(R.T.)toCa(OH)_(2)+H_(2)uarr

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