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UPSC Combined Geo-Scientist

Chemist

  • 3 descriptive papers
  • 200 marks each
  • 3 h per paper

Mains Paper II covers physical chemistry.

UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper II

Q3(b). Equation of state from Gibbs energy

Question

Obtain the equation of state for n moles of the gas described by Gₘ=RTln (p/bar)+a+bp+cp².

Answer in brief

V=n(RT/p+b+2cp), or pV=nRT+nbp+2ncp².

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CoversEquation of state from Gibbs energyThermodynamics

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