Calculate bond enthalpy of Cl---Cl bond from following data. → Both enthalpy of , , ,

Answers (1)

ΔH =  nHproducts -  mHreactants
-109.3 = (3*413+326+431) - (4*413+x)
-109.3 = (1239+326+431) - (1652+x)
-109.3 = (1996) - (1652+x)
-109.3 = 344 - x
x = 453.3 kj mol^-1

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