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Giulio M
Lv 5
Giulio M asked in Science & MathematicsChemistry · 1 decade ago

Chemistry Help?

Which of the following processes are exothermic?

Let me know why you Chose the answer, so I understand it. Thanks.

A) NaF(s) --> Na+(g) + F-(g)

B) Br(g) + e- --> Br-(g)

C) Cl2(g) --> 2Cl(g)

D) Li(s) --> Li(g)

1 Answer

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  • Dennis M
    Lv 6
    1 decade ago
    Favourite answer

    A) Sublimation energy - endothermic

    B) Electron affinity - exothermic

    C) Dissociation energy - endothermic

    D) Sublimation energy - endothermic

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