Spontaneous and non spontaneous?????
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Posted by Preet Malik 4 years, 9 months ago
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Gaurav Seth 4 years, 9 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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