Problem: The reaction C4H10 → C2H6 + C2H4 has an activation energy (Ea) of 350 kJ/mol, and the Ea of the reverse reaction is 260 kJ/mol. Estimate ΔH, in kJ/mol, for the reaction as written above. A. -90 kJ/mol B. +90 kJ/mol C. 350 kJ/mol D. -610 kJ/mol E. +610 kJ/mol

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The reaction C4H10 → C2H6 + C2H4 has an activation energy (Ea) of 350 kJ/mol, and the Ea of the reverse reaction is 260 kJ/mol. Estimate ΔH, in kJ/mol, for the reaction as written above.

A. -90 kJ/mol

B. +90 kJ/mol

C. 350 kJ/mol

D. -610 kJ/mol

E. +610 kJ/mol

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