For which change `Delta H ne Delta E` :-

For which change `Delta H ne Delta E` :-
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For which change `Delta H ne Delta E` :- A. `H_(2)(g)+I_(2)(g)hArr 2HI(g)` B. `HCl(l)+NaOH(l)rarr NaCl( ... (g)` D. `N_(2)(g)+3H_(2)(g)rarr2NH_(3)(g)`
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The Gibbs free energy change of a reaction at `27^(@)C` is -26 Kcal. and its entropy change is -60 Cals/K. `Delta H` for the reaction is :-

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Using the following thermochemical data. `C(S)+O_(2)(g)rarr CO_(2)(g), Delta H=94.0` Kcal `H_(2)(g)+1//2O_(2)(g)rarr H_(2)O(l), Delta H=-68.0` Kcal `C

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`C(s)+O_(2)(g)rarr CO_(2)(g)+94.0` K cal. `CO(g)+(1)/(2)O_(2)(g)rarr CO_(2)(g), Delta H=-67.7` K cal. From the above reactions find how much heat (Kca

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From the reaction P(White) `rarr` P(Red) `Delta H =-18.4KJ`, it follows that :-

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According to the following reaction `C(S)+1//2O_(2)(g)rarr CO(g), Delta H=-26.4` Kcal

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The temperature at which the reaction : `Ag_(2)O(s)rarr 2Ag(s)+1//2O_(2)(g)` is at equilibrium is …….., Given `Delta H=30.5 KJ mol^(-1)` and `Delta S

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If `Delta H gt 0` and `Delta S gt 0`, the reaction proceeds spontaneously when :-

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For a reversible process at T = 300K, the volume is increased from `V_(i)=1L` to `V_(f)=10L`. Calculate `Delta H` if the process is isothermal -

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`Ph-CH=CH-underset(O)underset(C)-H overset((i) CH_(3)CH_(2)MgBr)to overset((ii) H_(3)O^(o+))to(X) overset(Cu,Delta)to(Y)`

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