The enthalpy of formation of xef2 (g) is - 108 kj mol-1 and the bond dissociation enthalpy of the f-f bond is 155 kj mol-1. what is the average bond dissociation enthalpy of a xe-f bond

Question

Taylor Hickman

Chemistry

9 November, 17:46

The enthalpy of formation of xef2 (g) is - 108 kj mol-1 and the bond dissociation enthalpy of the f-f bond is 155 kj mol-1. what is the average bond dissociation enthalpy of a xe-f bond

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Dayton Yang · Answer 1

Xe + f2 →Xef2

ΔXe = ΣB. P reactants - Σ B. d products

-108k. s / mol = B. D f₂ - 2 B. D xe-f

-108 k. s/mol = 155 k. s/mol - 2B. Dxe-f

263kJ/mol/2 = B. D xe-f

B. D xef = 131.5 kJ/mol

132 kJ/mol