Which of the following statement(s) is(are) correct regarding the root mean square speed (Urms) and average translational kinetic energy (Eav) of a molecule in a gas at equilibrium?
- AUrms is inversely proportional to the square root of its molecular mass.
- BUrms is doubled when its temperature is increased four times.
- CEavg is doubled when its temperature is increased four times.
- DEavg at a given temperature does not depend on its molecular mass.
✓ Correct answer: A
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