Question

Using bond energy data, calculate heat of formation
of isoprene
5C(s) + 4H2(g) → H,C=C—CH=CH,
CH,
Given : BE for C-H, H-H, C-C, C = C and C(s) →
C(g) respectively as 98.8 kcal, 104 kcal, 83 kcal,
147 kcal, 171 kcal​

Answer 1

Answer:

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