Question

When a jar of coffee is opened, people in all parts of the room soon notice the smell.

plain how this happens​

Answer 1

This is because the diffusion, this phenomenon occurs usually when the temperature increases, it create heat-induced motion of the higher molecules.

Answer 2

Step-by-step explanation:

because in air the particles are moving very fast and jar of coffee has hot particles which kinetic energy is also more so that's why it's particles move faster and gets mixed with air and smell is coming from far away