Question

write in brief about specific
Heat​

Answer 1

Answer:

The amount of energy required to raise the temperature of a unit mass of an object by 1℃ is called the specific heat capacity of the object.

It is expressed in various units such as J/kg℃ , erg/g℃ , cal/g℃ , kcal/kg℃.

The specific jay capacity is denoted by letter 'c' . The SI unit of specific heat is J/kg℃, and the CGS unit is cal/g℃.

If specific har of an object is 'c', the mass of the object is 'm' and if the temperature of the object is raised or decreased by ∆T℃, the heat energy absorbed by the object is given by,

m × c × ∆T.

Here are some specific heat capacity of some substances in ( cal/g℃ ) :-

1. Water : 1.0
2. Paraffin : 0.54
3. Kerosene : 0.52
4. Aluminium : 0.215
5. Iron : 0.110
6. Copper : 0.095
7. Silver : 0.056
8. Mercury : 0.033