Chemistry - Thermodynamics - I Question with Solution | TestHub

ChemistryThermodynamics - IFirst law of ThermodynamicsMedium2 minPYQ_2019
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5moles of an ideal gas at100 Kare allowed to undergo reversible compression till its temperature becomes200 K.IfCV=28 J K-1,calculate∆Uand∆pVfor the process.(R=8.0 J K-1 mol-1)

Options:

Answer:
C
Solution:

ΔU=nCVΔT
=5×28×100=14000 J
=14 kJ
Δ(PV)=nRΔT=5×8×100=4000 J=4 kJ

Stream:JEESubject:ChemistryTopic:Thermodynamics - ISubtopic:First law of Thermodynamics
⏱ 2mℹ️ Source: PYQ_2019

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