Question

difference between vapor and gas

Answer 1

Answer:

Differences Between Vapour and Gas

Vapours are in solid or liquid state in ordinary conditions, but change into gaseous state under specific conditions. It is not a state of matter. Gases are in gaseous state under ordinary conditions (at room temperature and one atmospheric pressure).

Explanation:

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Answer 2

Explanation:

Electron collides with the hydrogen atom in ground state and excited state to state of n is equal to 3 how much energy give two hydrogen atom in this inelastic pollution