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if the pressure in a gas is tripled while its volume is held constant, by what factor does vrms change?

Sagot :

The rms velocity will become √3 times the actual or original value, if pressure is tripled.

The rms velocity of gas molecules is directly proportional to the square root of temperature. But it is Inversely proportional to the square root of molar mass. The equation can be expressed as: Vrms ∝ √T

If the pressure is tripled, the will be tripled. And volume is kept constant. temperature. Then rms velocity becomes √3 times the actual or original value. Since rms velocity is directly proportional to √T.

Therefore, the rms velocity will become √3 times the actual or original value.

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