The diagram below shows energy levels for the reaction

The diagram below shows energy levels for the reaction

(a) Work out the activation energy for the reaction
(b) Calculate the heat of formation of HF
(c) Is the reaction endothermic or exothermic?

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(a) 611-389 = +222KJ

(b) H = +222 – (611 – 100)
= -289KJ

(c) Exothermic reaction

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maurice.mutuku answered the question on October 28, 2019 at 05:20

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