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Chemistry - Ideal Gas Question with Solution | TestHub

ChemistryIdeal GasKinetic Theory of GasesEasy2 minPYQ_2020

ChemistryEasysingle choice

The root mean square velocity of helium gas becomes the same as that of methane molecule at $327 ° C$ , when the temperature is

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Answer:

Solution:

$u_{r m s}$ of helium $= \sqrt{\frac{3 R T}{4 g / m o l}}$
$u_{r m s}$ of $C H_{4} = \sqrt{\frac{3 R T}{16 g / m o l}}$
Here T' = 600 K
So $\sqrt{\frac{3 R T}{4 g / m o l}} = \sqrt{\frac{3 R \times 600 K}{16 g / m o l}}$
or $\frac{T}{4} = \frac{600 K}{16}$
or $T = \frac{600 K}{4} = 150$ K

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Ideal GasSubtopic:Kinetic Theory of Gases

⏱ 2mℹ️ Source: PYQ_2020

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