What are the 3 laws of thermodynamics?
Traditionally, thermodynamics has stated three fundamental laws: the first law, the second law, and the third law.
The first law of thermodynamics says that when energy passes into or out of a system (as work, heat, or matter), the system’s internal energy changes in accord with the law of conservation of energy..
What does the 2nd law of thermodynamics state?
Energy is the ability to bring about change or to do work. … The Second Law of Thermodynamics states that “in all energy exchanges, if no energy enters or leaves the system, the potential energy of the state will always be less than that of the initial state.” This is also commonly referred to as entropy.
How many thermodynamic laws are there?
Four LawsThe Four Laws of Thermodynamics. The Zeroth Law of Thermodynamics states that if two systems are in thermodynamic equilibrium with a third system, the two original systems are in thermal equilibrium with each other.
What do the laws of thermodynamics say?
The first law of thermodynamics, also known as Law of Conservation of Energy, states that energy can neither be created nor destroyed; energy can only be transferred or changed from one form to another. … In other words, energy cannot be created or destroyed.