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15.5 Entropy

15.5 Entropy - Dr Paul Moses 15.5 Entropy Concept Worksheet...

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Dr. Paul Moses 15.5 Entropy Concept Worksheet Entropy, ΔS, is energy of a material due to its disorder. Reactions that produce more disorder have a positive entropy and will be spontaneous at some high temperature. Reactions that produce less disorder will have negative entropy and will not be spontaneous at high temperature. In reactions which have gaseous products and reagents, you can predict the entropy. The side of the reaction with the most gas molecules has the greatest disorder. For other reactions, entropy can be determined using the entropies of formation of the reagents and products. Practice Problems: 1. For the following reactions, deduce their entropy and therefore there spontaneity
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