Given, `H_(2)(g)+Br_(2)(g)rarr2HBr(g),DeltaH_(1)^(0)` and standard enthalpy of condensaion of bromine is `DeltaH_(2)^(0)`, standard enthalpy of formation of `HBr` at `25^(@)C` is

Given, H_(2)(2)+Br_(2)(g)rarr2HBr(g) , Deltah_(1)^(@) and standerd enthalpy of condensation of bromine is DeltaH_(2)^(@) , standard enthalpy of formation of HBr at 25^(@)C is

Given, H_(2)(g)+Br_(2)(g)to2HBr(g),DeltaH_(1)^(@) and standard enthalpy of condensation of bromine is DeltaH_(2)^(@) , standard enthalpy of formation of HBr at 25^(@) C is :

Given N_(2)(g)+3H(g)=2NH_(3)(g),DeltaH^(@)=22 kcal. The standard enthalpy of formation of NH_(3) gas is

The enthalpy change for the following process are listed below : (a) Cl_(2(g)) rarr 2Cl_((g)), DeltaH=242.3kJ mol^(-1) (b) I_(2(g))rarr 2I_((g)), DeltaH=151.0kJ mol^(-1) (c) ICl_((g)) rarr I_((g))+Cl_((g)), DeltaH=211.3kJ mol^(-1) (d) I_(2(s)) rarr I_(2(g)), DeltaH=62.76kJ mol^(-1) If standard state of iodine and chloride are I_(2(s)) and Cl_(2(g)) , the standard enthalpy of formation for ICl_((g)) is :

Between O_(2)(g) and O_(3)(g) , whose standard enthalpy of formation (DeltaH_(f)^(0)) is taken as zero at 1 atm and 25^(@)C ?

The enthalpy changes for the following processes are listed below: Cl_(2(g)) rarr 2Cl_((g)) , DeltaH = 242.3 kJ mol^(-1) I_(2(g)) rarrr 2I_((g)) , DeltaH = 151.0 kJ mol^(-1) ICl_((g)) rarr I_((g)) + Cl_((g)) , DeltaH = 211.3 kJ mol^(-1) I_(2(s)) rarr I_(2(g)) , DeltaH = 62.76 kJ mol^(-1) Given that the standard states for iodine and chlorine are I_(2(s)) and Cl_(2(g)) , the standard enthalpy of formation for ICT is: