What makes something hot or cold

This idea is called the kinetic theory of matter, because it describes heat as a kind of kinetic energy stored by the atoms and molecules from which materials are made. ... ExampleIf you put a pan full of cold water on a hot stove, you're going to make the molecules in the water move around more quickly.

Kinetic energy is responsible for making things have hot/ cold temperatures

Ethene molecular fórmula= c2h4molecular weight = 29.046g/molhope it : )