Hydrogenation reactions, which involve the addition of H₂ to a molecule, are widely used in industry to transform one compound into another. For example, 1-butene (C₄H₈) is converted to butane (C₄H₁₀) by addition of H₂.

Use the bond dissociation enthalpies in Table 8.8 to estimate the enthalpy change for this hydrogenation reaction.

Data given in Table 8.8

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Η Η Η Η H=C=C=C=C- H(g) + H2(g) Η Η Η Η Η Η H —C-CC-C-H(g) Η Η Η Η