Question

What are the characteristics of spontaneous/nonspontaneous reactions?

Answer 1

Well to quote a text-book....

Explanation:

`"..the Gibbs Free Energy is the single unequivocal criterion for"`
`"spontaneity of chemical change."`

A reaction for which `DeltaG^@<0` is SPONTANEOUS; if `DeltaG^@>0`, the reaction is non-spontaneous.