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Chemistry - Thermodynamics - 1 Question with Solution | TestHub

ChemistryThermodynamics - 1Adiabatic Process/PolytropicMedium2 minQB

ChemistryMediuminteger

1 moles of an ideal monatomic gas undergoes adiabatic free expansion from ( $10 L, e^{4} atm$ ) to (e) atm. The change in entropy (in $Cal / K$ ) of the system is

Answer:

Solution:

Entropy of irreversible expansion

$Δ S = n R ln (V_{2} / V_{1})$

$V_{1} = 10 L$ , $V_{2} = e L$ (given), $n = 1 m o l$

$Δ S = 1 \times R \times ln (V_{2} / V_{1}) \approx 6.00 c a l / K$

Stream:JEESubject:ChemistryTopic:Thermodynamics - 1Subtopic:Adiabatic Process/Polytropic

⏱ 2mℹ️ Source: QB

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