Question

$\large \sf \orange{What \: is \: spontaneous \: process \: ?}$
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Answer 1

SOMETHING YOU NEED TO KNOW

Gibbs energy is related to spontaneous process.

• It is the energy associated with a chemical reaction.

A spontaneous reaction is a reaction that occurs without the intervention of the external means.

For example, a ball rolling down an inclined plane.

FACTORS AFFECTING SPONTANEOUS PROCESS

Enthalpy - Reactions that give off energy tend to be spontaneous.

Entropy -  Randomness or disorder in the universe.

If the Gibbs Energy is -ve, then the reaction is spontaneous

if it is +ve then it is non-spontaneous.

                                                               

Answer 2

Answer:

A spontaneous process is the time-evolution of a system in which it releases free energy and it moves to a lower, more thermodynamically stable energy state. ... For cases involving an isolated system where no energy is exchanged with the surroundings, spontaneous processes are characterized by an increase in entropy.