If the bond energies of H-H, Br- Br and H -Br are 433, 192 and 364kJ mol^(-1) respectively, DeltaH^(@) for the reaction H_(2)(g) + Br_(2)(g) rarr 2HBr(g) is

If the bond energies of H-H, Br- Br and H -Br are 433, 192 and 364kJ m

1.	If the bond energies of H-H, Br- Br and H -Br are 433, 192 and 364kJ mol^(-1) respectively, DeltaH^(@) for the reaction H_(2)(g) + Br_(2)(g) rarr 2HBr(g) is
Answer» `- 261kJ` `+103kJ` ` + 261kJ` `-103kJ` SOLUTION :`Delta_(r)H= SigmaBE` ( REACTANTS)`- SIGMA` B.E.( PRODUCTS)