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Spontaneous and non spontaneous?????

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Spontaneous and non spontaneous?????

Posted by Preet Malik 3 years, 11 months ago

CBSE > Class 11 > Chemistry

1 answers

Gaurav Seth 3 years, 11 months ago

A process which under some conditions may take place by itself or by initiation independent of the rate is called spontaneous process.

A process which can take place by itself or has an urge or tendency to take place is called spontaneous process.

A spontaneous process is simply a process which is feasible.

The rate of the process may vary from extremely slow to extremely fast.

Examples of processes which take place by themselves :

1) Dissolution of common salt in water

2) Evaporation of water in an open vessel

A process which can neither take place by itself nor by initiation is called a non spontaneous process.

For Example

1) Flow of water up a hill

2) Flow of heat from cold body to a hot body

3) Diffusion of gas from low pressure to a high pressure

4) Dissolution of sand in water

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