Question

2m³ volume of a gas at a pressure of 4 × 10⁵ Nm⁻² is compressed adiabatically so that its volume becomes 0.5m³. Find the new pressure. Compare this with the pressure that would result if the compression was isothermal. Calculate work done in each process. γ = 1.4.

Answer 1

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Answer 2

Ur Answer:-

ΔU=Q+W

ΔU=Q+PΔV

∴ΔU=150+100(2−1)

∴ΔU=250

As the value is positive, internal energy of the gas increases by 250 J .