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Why does this reaction have a dispersal of matter but is not spontaneous?

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Considering the Reaction: 2H2O(l) => 2H2(g) + O2 (g)

This reaction has dispersal of matter since a liquid produces two gases, yet the reaction is not spontaneous. Why is this so?

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Solution Summary

This solution identifies the requirement for spontaneous reactions and provides an example. 80 words.

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The definition of a spontaneous reaction is one that occurs automatically, without the use of an enzyme, catalysis, ...

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