how many laws of thermodynamics are there explain
Answers
Answer:
†The Laws of Thermodynamics :
★0 law of thermodynamics :
If two thermodynamic systems are each in thermal equilibrium with a third then they are in thermal equilibrium with each other.
★2nd law of thermodynamics states that when energy changes from one form to another form
★Provided Differences in temperature, pressure, density.
★3rd law of thermodynamics states that the entropy of a system at absolute zero is a well-defined constant.
★This is because a system at zero temperature exists in its ground state.
Answer:
Three laws!!
Explanation:
The First Law of Thermodynamics :
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. For example, turning on a light would seem to produce energy; however, it is electrical energy that is converted.
The Second Law of Thermodynamics :
The second law of thermodynamics says that the entropy of any isolated system always increases. Isolated systems spontaneously evolve towards thermal equilibrium—the state of maximum entropy of the system. More simply put: the entropy of the universe (the ultimate isolated system) only increases and never decreases.
The Third Law of Thermodynamics :
The third law of thermodynamics states that the entropy of a system approaches a constant value as the temperature approaches absolute zero. The entropy of a system at absolute zero is typically zero, and in all cases is determined only by the number of different ground states it has. Specifically, the entropy of a pure crystalline substance (perfect order) at absolute zero temperature is zero. This statement holds true if the perfect crystal has only one state with minimum energy.
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