State Dulong and Petit law. The chloride of metal was found to contain 47.25% of chlorine. If specific heat capacity is 0.094, what is the exact atomic weight of metal?

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

all eukaryotic cell have mitochondria : )