Chemistry - Thermodynamics - I Question with Solution | TestHub
ChemistryThermodynamics - IAdiabatic Process/PolytropicEasy2 minQB
ChemistryEasysingle choice
How many times a diatomic gas should be expanded adiabatically so as to reduce the RMS speed to half?
Options:
Answer:
C
Solution:
urms ∝ √(T), so halving it needs T2 = T1/4. For a reversible adiabatic process TVγ-1 = const with γ - 1 = 0.4: V2/V1 = (T1/T2)1/0.4 = 42.5 = 32. Matches (c).
Stream:JEESubject:ChemistryTopic:Thermodynamics - ISubtopic:Adiabatic Process/Polytropic
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