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27 March, 14:18

What causes a reaction to be spontaneous? Provide an example in your explanation.

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  1. 27 March, 15:53
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    A chemical reaction is spontaneous if it is accompanied by an increase in the total entropy of the system and surroundings.

    Example:

    4 Fe + 3 O 2 → 2 Fe 2 O 3

    (s) (g) (s)

    Ferrous Oxygen Ferrous-Oxide

    (iron) (rust)
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