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Question 4.8: Calculate the standard enthalpy difference between the cis a...

Calculate the standard enthalpy difference between the cis and trans isomers of 2-butene. Specify which stereoisomer is more stable. The heats of formation are, for the cis isomer, -7.40  kJ  mol^{–1}, and for the trans isomer, -11.6  kJ  mol^{–1} (-1.77 and -2.72  kcal  mol^{–1}, respectively).

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