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Chemistry - Thermodynamics - I Question with Solution | TestHub

ChemistryThermodynamics - IFirst law of ThermodynamicsEasy2 minPYQ_2020

ChemistryEasysingle choice

When two moles of hydrogen expands isothermally against a constant pressure of 1 atm, at 25 $℃$ from 15 L to 50 L, the work done (in litre atm) will be-

Options:

Answer:

Solution:

p=1 atm

$∆ V = (50 - 15) = 35 L$

$∴$ $W = - p . ∆ V = - 1 \times 35$

$= - 35$ Latm

Hence, work done by the system on the surroundings is equal to 35 L-atm.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Thermodynamics - ISubtopic:First law of Thermodynamics

⏱ 2mℹ️ Source: PYQ_2020

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