CHM 103 Lecture 24: CHM 103 Lecture 24

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29 Nov 2016
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Processes that take place naturally with no apparent cause or stimulus. Process that requires energy to stop or halt something occurring naturally. Example: a rock falling down a hill requires energy to stop it. Processes that give up energy as they take place. Energy appears on the right side of the balanced equation as a negative number. Processes that gain or absorb energy as they take place. Energy appears on the right side of the balanced equation as a positive number. Measurement or indication of the disorder or randomness of a system. The more disorderly or mixed up a system is, the higher its entropy. Entropy of a system can also be shown as the change in the number of molecules from the product to the reactants. Low entropy to a high entropy state is said to be a spontaneous process. Life is considered to be a spontaneous process.

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