Chemistry - Thermodynamics - I Question with Solution | TestHub
ChemistryThermodynamics - IAdiabatic Process/PolytropicMedium2 minQB
ChemistryMediumnumerical
The number of degrees of freedom of molecules in a gas whose molar heat capacity is 37.4 J/mol-K in the process: PT = constant is
Answer:
5.00
Solution:
PT = const ⇒ T²/V = const ⇒ V ∝ T², so per mole W = ∫P dV = 2RΔT. C = Cv + 2R ⇒ Cv = 37.4 − 2 × 8.314 = 20.77 J K⁻¹ mol⁻¹. f = 2Cv/R = 2 × 20.77/8.314 ≈ 5.
Stream:JEESubject:ChemistryTopic:Thermodynamics - ISubtopic:Adiabatic Process/Polytropic
⏱ 2mℹ️ Source: QB
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