Chemistry - Thermodynamics - I Question with Solution | TestHub
ChemistryThermodynamics - IIsothermal Process/Isobaric/IsochoricMedium2 minQB
ChemistryMediumnumerical
A quantity of 16 g oxygen gas is expanded isothermally at 27°C from 1 dm³ to 5 dm³ at a constant external pressure of 2 bar. If the magnitude of work done in this process is used in lifting a body of mass 20 kg, the height (in meter) up to which the body can be lifted is (g = 10 ms⁻²)
Answer:
2.00
Solution:
W = Pext(V₂ − V₁) = 2×10⁵ Pa × (5 − 1)×10⁻³ m³ = 800 J. mgh = 800 ⇒ h = 800/(20 × 10) = 2 m.
Stream:JEESubject:ChemistryTopic:Thermodynamics - ISubtopic:Isothermal Process/Isobaric/Isochoric
⏱ 2mℹ️ Source: QB
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