Use average bond energies (table in the hint) to compare the combustion energies of ethane, ethylene, and acetylene. Calculate which of these hydrocarbons releases the most energy per gram.

These estimates indicate that releases slightly more energy per unit mass than others. Remember that average bond energy calculation provide estimates, not exact values

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AE(per gram ethane) AE(per gram ethylene) AE(per gram acetylene) kJ/g kJ/g kJ/g AE(per gram ethane) AE(per gram ethylene) AE(per gram acetylene) kJ/g kJ/g kJ/g

Answer rating: 100% (QA)

Ethane 847 KJ mol 1 Ethylene 141120 KJmol Acet... View the full answer