Question

what is spontaneous and non spontaneous chemical reaction​

Answer 1

Explanation:

A spontaneous process is capable of proceeding in a given direction without needing to be driven by an outside source of energy. ... An endergonic reaction (also called a nonspontaneous reaction) is a chemical reaction in which the standard change in free energy is positive and energy is absorbed.

Answer 2

Heya there,

Spontaneous reaction is the reaction in which the reaction takes place without external energy

Non spontaneous reaction is that reaction which involves external energy to preceed reaction