What is the the Dulong-Petit law in chemistry ????

Question

I read about it somewhere but not very precisely. Is it realted to the latent heat capacity of fusion of a substance? Or something else ?

Plz answer....Thanx......

Answer 1

1.  Can you hum it to me, sounds catchy.

2.   Forget the latent heat capacity of fusion and stick to specific heat.

3.   3

Answer 2

(thermodynamics) The law that the product of the specific heat per gram and the atomic weight of many solid elements at room temperature has almost the same value, about 6.3 calories (264 joules) per degree Celsius.