Choose the correct statement for the work done in the expansion and heat absorbed or released when 5 litres of an ideal gas at 10 atmospheric pressure isothermally expands into vacuum until volume is

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Choose the correct statement for the work done in the expansion and heat absorbed or released when 5 litres of an ideal gas at 10 atmospheric pressure isothermally expands into vacuum until volume is 15 litres:NEET 2024 (Re-NEET)

TestHub · Accepted Answer

Since it is isothermal, Δ T = 0 Δ U = nC C v ​ Δ T = 0 Since expansion is taking place against vacuum P ext ​ = 0 W = − P ex Δ V = 0 From first law of thermodynamics, Δ U = q + W 0 = q + 0 q = 0

Chemistry - Thermodynamics - I Question with Solution | TestHub

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