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Question: Which one of the following gas will make high frequency sound (mouth is fixed size...

Question: Which one of the following gas will make high frequency sound (mouth is fixed size so you need a gas that travel faster to collide the wall per second).

A. He

B. Ne

C. Ar

D.Xe

E. N2

Science   Chemistry   
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Answer #1

Answer: - The kinetic theory of gas explains the behavior of hypothetical ideal gas. According to this theory, gases are made up of tiny particles in random, straight line motion. They move rapidly and continuously and make collisions with each other and the walls. Postulates: (1) All gases at a given temperature have the same average kinetic energy. (2) Lighter gas molecules move faster than heavier molecules. In given gas, He, Ne, Ar, Xe, N2, He has is lightest gas among all. Therefore, it travels faster to collide.

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