The first law of thermodynamics expresses conservation of energy because:

  1. it says entropy increases
  2. heat supplied = increase in internal energy + work done; no energy is created or destroyed
  3. it defines temperature
  4. it says heat always flows hot to cold
Answer

B) heat supplied = increase in internal energy + work done; no energy is created or destroyed

It accounts for all energy. SLO P-11-C-11 · Application

Physics MCQ · More Kinetic Theory and First Law of Thermodynamics MCQs · Practise