Chemistry - Thermodynamics - I Question with Solution | TestHub

ChemistryThermodynamics - IFirst law of ThermodynamicsMedium2 minPYQ_2007

ChemistryMediumsingle choice

Calculate change in internal energy if $Δ H = - 92.2 kJ, P = 40 atm$ and $Δ V = - 1 L$ .

Answer:

Solution:

$Δ H = Δ E + P Δ V$ $Δ E = Δ H - P Δ V = - 92.2 - 40 \times (- 1) \times 101 \times 1 0^{- 3} = - 92.2 + 4.04 = - 88.16 kJ \approx - 88 kJ .$

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

⏱ 2mℹ️ Source: PYQ_2007

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