Heat engines, refrigerators, Carnot engineHeat EnginesA heat engine is a device that converts heat energy into mechanical work.It operates between a hot reservoir and a cold reservoir.The working principle is based on the First and Second…
Concepts of entropy, enthalpy, and internal energyEntropyEntropy is a measure of the disorder or randomness of a system.The symbol for entropy is S, and its SI unit is joules per kelvin (J/K).It quantifies the unavailability of a system's energy to…
Laws of thermodynamics: Zeroth, First, Second, and Third lawsZeroth Law of ThermodynamicsThe Zeroth Law of Thermodynamics defines the concept of thermal equilibrium.If two systems are each in thermal equilibrium with a third system, they are in thermal…