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Chemistry - Thermodynamics - I Question with Solution | TestHub

ChemistryThermodynamics - IFirst law of ThermodynamicsMedium2 minPYQ_2019

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An ideal gas is allowed to expand from $1 L$ to $10 L$ against a constant external pressure of $1$ bar. The work done in $k J$ is:

Options:

Answer:

Solution:

$w - P_{e x t} (v_{2} - v_{1})$
$\Rightarrow - 1$ bar $(10 L - 1 L)$
$\Rightarrow - 9 L bar$ $∴ 1 L bar = 100 J$
$\Rightarrow - 900 J$
$\Rightarrow - 0.90 k J$

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

⏱ 2mℹ️ Source: PYQ_2019

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