Decide whether the following processes will be spontaneous, and why. The “why” can be general, not specific.
(a) Ice melting at 25°C (b) Ice melting at 15°C (c) KBr (s) dissolving in water (d) An unplugged refrigerator getting cold (e) A leaf falling from a tree to the ground (f ) The reaction Li (s) + ½ F2 (g) S LiF (s) (g) The reaction H2O (l) S H2 (g) + ½ O2 (g)
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