Calculate the dissociation constant of `NH_(4)OH` at `25^(@)C`. If `Delta H^(@)` and `Delta S^(@)` for the given changes are as follows:
`NH_(3)+H^(+)hArrNH_(4)^(+),` , `DeltaH^(@)= -52.2kJ mol^(-1),`
`DeltaS^(@)= +1.67JK^(-1)mol^(-1)`
`H_(2)OhArrH^(+)+OH^(-), DeltaH^(@)=56.6kJ mol^(-1),`
`DeltaS^(@)= -78.2JK^(-1)mol^(-1)`

Calculate the dissociation constant of NH_(4)OH at 298k , if DeltaH^(Theta) and DeltaS^(Theta) for the given changes are as follows:- NH_(3) + H^(o+) hArr overset(o+)NH_(4) , DeltaH^(Theta) =- 52.2 KJ mol^(-1), DeltaS^(Theta) = 1.67 J K^(-1)mol^(-1) H_(2)O hArr H^(o+) + overset(Theta)OH, DeltaH^(Theta) = 56.6 kJ mol^(-1) . DeltaS^(Theta) =- 76.53 JK^(-1)mol^(-1)

Calculate the dissociation constant of NH_(4)OH at 298k , if DeltaH^(Theta) and DeltaS^(Theta) for the given changes are as follows:- NH_(3) + H^(o+) hArr overset(o+)NH_(4) , DeltaH^(Theta) =- 52.2 KJ mol^(-1), DeltaS^(Theta) = 1.67 J K^(-1)mol^(-1) H_(2)O hArr H^(o+) + overset(Theta)OH, DeltaH^(Theta) = 56.6 kJ mol^(-1) . DeltaS^(Theta) =- 76.53 JK^(-1)mol^(-1)

The temperature of K at which Delta G =0 for a given reaction with Delta H= -20.5 kJ mol^(-1) and Delta S =- 50.0 JK^(-1)mol^(-1)

Calculate standard enthalpy for the reaction at 298K: C_(2)H_(5)Cl(g)toC_(2)H_(4)(g)+HC l(g) . Given: DeltaH^(0)(C-H)=413kJ*mol^(-1),DeltaH^(0)(C-C)=346kJ*mol^(-1) , DeltaH^(0)(C=C)=611kJ*mol^(-1),DeltaH^(0)(C-Cl)=339kJ*mol^(-1) , DeltaH^(0)(H-Cl)=432kJ*mol^(-1) .

The temperature in K at which DeltaG=0 for a given reaction with DeltaH=-20.5 kJ mol^(-1) and DeltaS=-50.0 JK^(-1) mol^(-1) is

At the temperature T(K) for the reaction X_(2)O_(4) (l) rarr 2XO_(2)(g) Delta U = x kJ mol^(-1), Delta S = y JK^(-1) mol^(-1) . Gibbs energy change for the reaction is (Assume X_(2)O_(4), XO_(2) are ideal gases) Delta U = x kJ mol^(-1), Delta S = y JK^(-1) mol^(-1)

Calculate Delta_(r)G^(@) for (NH_(4)Cl,s) at 310K. Given : Delta_(r)H^(@)(NH_(4)Cl,s) =-314 kj/mol, Delta_(r)C_(p)=0 S_(N_(2)(g))^(@)=192 JK^(-1mol^(-1)),S_(H_(2)(g))^(@)=130.5JK^(-1)mol^(-1), S_(Cl_(2)(g))^(@)=233JK mol^(-1), S_(NH_(4)Cl(s))^(@)=99.5JK^(-1)mol^(-1) All given data at 300K