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(p) Cis-2- butene to trans -2-butene, De...

(p) Cis-2- butene `to `trans -2-butene,` DeltaH_(1)`
(Q)Cis-2-butene`to` 1-buture, `DeltaH_(2)`
(R ) Trans -2-buture is more stable than cis-2-buture
(S ) Enthalpy of combustion of 1-buture,
`DeltaH=-649.8kcal//mol`
(T)` 9DeltaH_(1)+5DeltaH_(2)=0`
(U) Enthalpy of combustion of trans -2- buture,
`DeltaH=-647.0kcal//mol`
The value of `Delta H_(1)` and `DeltaH_(2)` in kcal/mole are:

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