Question

explain why following process are spontaneous and non spontaneous in nature
please fastly​

Answer 1

Answer:

A spontaneous processes takes place on its own without the external influence. Once started, a spontaneous processes proceeds on its own, without the continuous external help. For spontaneous processes, the change in Gibbs free energy is negative (ΔG<0).

Examples of spontaneous processes:

1) Heat flows from hotter body to a colder body.

2) A solid KCl spontaneously dissolves in water.

A non-spontaneous processes does not takes place on its own. It needs continuous external influence.

Once started, a non-spontaneous processes will stop, when the continuous external force is withdrawn.

For non-spontaneous processes, the change in Gibbs free energy is positive (ΔG>0).

Examples of non-spontaneous processes:

1) Flow of heat from inside of refrigerator to the room. Room is at higher temperature than refrigerator.

2) Boiling of water.

Explanation:

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Answer 2

Explanation:

Processes have a natural tendency to occur in one direction under a given set of conditions. A spontaneous process is one that occurs naturally under certain conditions. A nonspontaneous process, on the other hand, will not take place unless it is “driven” by the continual input of energy from an external source.