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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2022 · Paper II, Chemistry · Q54 of 120

Geo-Scientist Prelims 2022 Chemistry Q54: For the adiabatic irreversible free expansion of an ideal gas

QuestionThermodynamics / free expansion

For the adiabatic irreversible free expansion of an ideal gas

  1. (a) w = 0 only
  2. (b) ΔU = 0 only
  3. (c) ΔU = 0, ΔT = 0, ΔH = 0 only
  4. (d) w = 0, ΔT = 0, ΔU = 0 and ΔH = 0

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