a. Suggest why the 2nd and 3rd electron affinities are always endothermic. b. The 1st electron affinity

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a. Suggest why the 2nd and 3rd electron affinities are always endothermic.

b. The 1st electron affinity of sulfur is –200 kJ mol^–1. The second electron affinity of sulfur is +640 kJ mol^–1. Calculate a value for the enthalpy change S(g) + 2e^–→ S2^–(g)

c. Write equations representing:

i. The 1st electron affinity of iodine

ii. The 2nd electron affinity of sulfur

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Cambridge International AS And A Level Chemistry Coursebook

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Authors: Lawrie Ryan, Roger Norris

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Question Posted: Sep 22, 2021 02:37 AM

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a. Suggest why the 2nd and 3rd electron affinities are always endothermic. b. The 1st electron affinity

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a The 2nd and 3rd electron affinities are always endothermic because they require energy to a...View the full answer

Cambridge International AS And A Level Chemistry Coursebook

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