For each of the following processes, indicate whether the signs of dS and dH are
Chapter 19, Problem 19.84(choose chapter or problem)
For each of the following processes, indicate whether the signs of dS and dH are expected to be positive, negative, or about zero. (a) A solid sublimes. (b) The temperature of a sample of Co(s) is lowered from 60 oc to 25 oc. (c) Ethyl alcohol evaporates from a beaker. (d) A diatomic molecule dissociates into atoms. (e) A piece of charcoal is combusted to form COz{g) and HzO{g).
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