Organic Chemistry Practice Problems Alkene Stability Practice Problems Solution: The heats of reaction were measured for addition o...

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Solution: The heats of reaction were measured for addition of HBr to cis- and trans-2-butene. Use these data to calculate the energy difference between cis- and trans-2-butene. How does this energy difference compare to that based on heats of hydrogenation (Section 6.3) and heats of combustion (Section 5.6)?

Problem

The heats of reaction were measured for addition of HBr to cis- and trans-2-butene.

Use these data to calculate the energy difference between cis- and trans-2-butene. How does this energy difference compare to that based on heats of hydrogenation (Section 6.3) and heats of combustion (Section 5.6)?