VKC ScienceChemistry for written exams Telegram

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 · 2020 · Paper II, Chemistry · Q52 of 120

Geo-Scientist Prelims 2020 Chemistry Q52: The total heat content of a system at constant pressure is known as:

QuestionThermodynamics / enthalpy

The total heat content of a system at constant pressure is known as:

  1. (a) Enthalpy
  2. (b) Entropy
  3. (c) Internal energy
  4. (d) Activation energy

Answer: (a) Enthalpy

Enthalpy H = U + PV: the total heat content of a system at constant pressure; ΔH = qp → (a).

Take this paper offlineAll 120 questions with answers and explanations in one PDF.
Download PDFJoin Telegram