a. Using the bond dissociation energies in Table 3.1, calculate the H for the addition of HCl

Question:

a. Using the bond dissociation energies in Table 3.1, calculate the ∆H° for the addition of HCl to ethene.
b. Calculate the ∆H° for the addition of H2 to ethene.
c. Are the reactions exothermic or endothermic?
d. Do you expect the reactions to be exergonic or endergonic?