Calculate `Delta H^(@)._(f)` for chloride ion from the following data :
`(1)/(2)H_(2)(g) + (1)/(2)Cl_(2)(g) rarr HCI(g), Delta H^(@)._(f)` = -92.4 kJ
`HCI(g) + nH_(2)O rarr H^(+) (aq) + CI^(-)(aq), Delta H^(@)` = - 74.8 kJ
`Delta H^(@)._(f) H^(+) (aq)` = 0.0 kJ

Calculate Delta_(f)H^(@) for chloride ion from the following data: 1/2H_(2)(g) + 1/2CI_(2)(g) to HCI(g) Delta_(f)H^(@) = -92.8 kJ mol^(-1) HCI(g) + H_(2)O to H_(3)O^(+)(aq) + CI^(-)(aq) Delta_(diss) H^(@) = - 75.2 kJ mol^(-1) .

Calculate DeltaH_(f)^(@) for chloride ion from the following data : (1)/(2)H_(2(g))+(1)/(2)Cl_(2(g))rarr HCl_((g)),DeltaH_(f)^(@)=-92.4kJ HCl_((g))+nH_(2)O rarr H_((aq.))^(+)+Cl_((aq.))^(-),DeltaH^(@)=-74.8kJ DeltaH_(f)^(@) H_((aq.))^(+)=0.0kJ

Calculate DeltaH_(f)^(@) for chloride ion from the following data : (1)/(2)H_(2(g))+(1)/(2)Cl_(2(g))rarr HCl_((g)),DeltaH_(f)^(@)=-92.4kJ HCl_((g))+nH_(2)O rarr H_((aq.))^(+)+Cl_((aq.))^(-),DeltaH^(@)=-74.8kJ DeltaH_(f)^(@) H_((aq.))^(+)=0.0kJ

(1)/(2) H_(2(g)) + (1)/(2) Cl_(2(g)) rarr HCl_((g)) , Delta H^(0) = - 92.4 kJ/mole, HCl_((g)) + nH_(2)O rarr H_((aq))^(+) + Cl_((aq))^(-) , Delta H^(0) = -74.8 kJ/mole Delta H^(0)f for Cl_((aq))^(-) is

Calculate Delta H^(theta) for the reaction : H_(2)O (l) rarr H_(2)(g) + (1)/(2) O_(2) (g) Given 2H_(2)(g) + O_(2)(g) rarr 2H_(2)O(l) Delta H = -571.6 kJ

Calculate the enthalpy of formation of methanol from the following data, CH_(3)OH(l) + (3)/(2)O_(2)(g) rarr CO_(2)(g) + 2H_(2)O(l) ….(i) " "Delta H^(@) = -726.4 kJ mol^(-1) C"(graphite)" + O_(2)(g) rarr CO_(2)(g) ….(iii) " "Delta H^(@) = -393.5 kJ mol^(-1) H_(2)(g) + (1)/(2)O_(2)(g) rarr H_(2)O(l) ....(iii) " "Delta H^(@) = -285.8 kJ mol^(-1) .

Calculate the enthalpy of formation of KOH(s) from the following data : K(s) + H_(2)O(l) + (aq) to KOH(aq) + 1/2 H_(2)(g) Delta_(r)H^(@) = -200.8 kJ H_(2)(g) + 1/2 O_(2)(g) to H_(2)O(l) Delta_(r)H^(@) = - 286.3 kJ KOH(s) + (aq) to KOH(aq) Delta_(r)H^(@) = - 58.6 kJ