Thermodynamics

What the unit covers

The resources run from basic ideas of temperature and heat to engines, cycles and statistical physics. The mind map The Laws of Thermodynamics sets out the Zeroth, First, Second and Third Laws side by side. The top-listed Thermodynamics mind map goes further into reversibility, reversible work and heat, efficiency (eta = W_E/Q_in = 1 - Q_out/Q_in), the Brayton cycle and two-reservoir engines.

Where to start

Begin with the basics. The notes Physics: Heat explain heat as a transfer of energy between a system and its surroundings. Then open the mind maps Heat and Temperature and Heat, and try the quiz Temperature & Heat. Once those feel familiar, move to The Laws of Thermodynamics.

Engines, cycles and gases

Next, look at the notes carnot engine and the mind map Thermodynamic Processes. The flashcard deck Thermodynamics (Quiz 3) includes a worked-style question on a reversed Carnot air-conditioning system. The mind map Chapter 16 links kinetic theory to the First Law, with internal energy as translational and rotational energy of gas molecules. The slide set Kinetic Theory of Gases covers the same ground in slides.

Statistical physics and exam prep

The Statistical Physics mind map separates macrostates from microstates. The Statistical Mechanics flashcards drill counting questions with the symbol Omega. For exam practice, the Physics GRE flashcards list constants such as the Boltzmann constant and the gas constant, and the deck MCAT Physics Chapter 1-4 is there for MCAT candidates.

Using maps and quizzes together

Read a map first, then take a quiz on the same topic, such as Heat Transfer or Thermodynamics Equations. Note what you got wrong and go back to that branch of the map. When you are ready, choose a resource and give it a go.