Question

The dissociation energy of CH, (g) is 360 kcal mol-1
and that of C, H. (g) is 620 kcal mol-7. The C-Cbond
energy is
(1) 260 kcal mol-1 (2) 180 kcal mol-1
(3) 130 kcal mol-1 (4) 80 kcal mol-1​

Answer 1

Answer:

Estimate the average S−F bond energy in SF

6

. The values of standard enthalpy of formation of SF

3

(g),S(g) and F(g) are −11000.275 and 80 kJ/mol, respectively.