When is a reaction said to be spotaneous?

1 Answer
SupernovaT
Jan 29, 2018

When no 'oustide' energy is needed to initiate a reaction.

Explanation:

All reactions start by the breaking of bonds between atoms. Breaking bonds requires energy input, forming bonds releases energy.

In a spontaneous reaction, no 'extra' energy is needed to set the reaction off. Hence it occurs 'spontaneously'.

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