If the absolute temperature of a gas is quadrupled, what happens to the root‑mean‑square speed of the molecules? nothing happens to the rms speed. the new rms speed is 16 times the original rms speed. the new rms speed is 4 times the original rms speed. the new rms speed is 2 times the original rms speed. the new rms speed is 1/4 the original rms speed.

The new root mean square speed is 4 times the original  root mean square speed.

Explanation:

The root mean square speed of the gas particle is given by formula:

R = Universal gas constant

T = temperature of the gas

M = Molar mass of gas in kilograms per mole

The root‑mean‑square speed of the molecules:

If the absolute temperature of a gas is quadrupled.

Temperature of the gas , T'= 4T

The new root mean square speed is 4 times the original  root mean square speed.

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