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Thermal Physics

a perfect gas at apressure of 58 bar and temperature of 450k has a density of 50 kg per metre cube . the ratio of specific heat is 1.48. calculate the change in specific entropy of the gas if the pressure is raised to 100 bar and temperature is lowered to 400k

chelagat hellen

7 Years agoGrade

1 Answer

Subhadeep pan

7 Years ago

Apply the formula:-

$\Delta$ S= C_PlnT₂/T₁- RlnP₂/P₁

Put the values of T₂=400k

T₁=450k

P₂=58bar

P₁=100 bar

R=1.48

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