1.

Differentiate between heat capacity and specific heat capacity.

Answer»
Heat capacitySp. Heat capacity
(i) S. I. unit is K-1
(ii) Heat capacity = mass of sub x sp. heat capacity
(iii) It changes with change in mass
(iv) It is the amount of heat reqd to raise the temp. of a given mass of substance through 1k or 1°C
S.I. unit JKg-1k-1
Sp. heat capacity = (heat capacity)/mass(m)
It is constant quantity
It is the amount of heat energy reqd. to raise the temp. of a unit mass of substance through 1k or 1°C



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