Chemistry - Ideal Gas Question with Solution | TestHub
ChemistryIdeal GasKinetic Theory of GasesEasy2 minQB
ChemistryEasysingle choice
The ratio of the RMS speeds of H₂ at T₁ and CH₄ at 300 K is 4:1. The average kinetic energy per mole of H₂ is
Options:
Answer:
B
Solution:
(urms)/(H₂)urms(CH₄) = √((T₁/2)/)300/16 = 4 ⇒ (16·T₁)/(2 × 300) = 16 ⇒ T₁ = 600 K. KE per mole = 3/2RT₁ = 3/2(2)(600) = 1800 cal (using R = 2 cal mol⁻¹ K⁻¹). Confirms Ans (b) 1800 cal.
Stream:JEESubject:ChemistryTopic:Ideal GasSubtopic:Kinetic Theory of Gases
⏱ 2mℹ️ Source: QB
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