Gibb's energy of a system.
Answer:-
The maximum amount of energy available to a system that can be converted into useful work.In simple words, the Gibb's energy is the capacity of a system to do the useful work.It is denoted by the symbol G.
angle of contact.
It is defined as the angle between the tangent to the liquid surface at the point of contact and solid surface inside the liquid is called as angle of contact The value of angle of contact depends upon (i) Nature of solid and liquid in contact (ii) Cleanliness of the surface in contact (iii) Medium above the free surface of liquid
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