The heavier the gas is, the slower the gas will diffuse. the correct order is Kr, Ar, Ne, N based off of the atomic weight. However I don't think N is a gas. Nitrogen is diatomic so it should be N₂.
I hope this helps.
Answer:
a.) because your ankle is taking in cold energy from the cold pack
Explanation:
all of the other ones say heat, which is not applied in this question
Answer:
The rapid movement of excess charge from one place to another is an <em>electric discharge.</em>
Explanation:
A material in which electrons <em>CANNOT</em> move easily from place to place is an insulator. A material in which electrons <em>CAN </em>move easily from place to place is a conductor.
That is a chemical change.. Hope I helped!
Hopefully you get the correct answer I just need points