Volume are equals
No net energy is exchanged
Consider 2 beakers of water, in one beaker, the temperature of water is above room temperature, and the other is below room temperature. They are left on a table (they are not in contact with each other), after some time, equilibrium is reached. Both beakers of water are at the same temperature. The two beakers become in thermal equilibrium with the surroundings, thus they are in thermal equilibrium with each other, and they are at the same temperature. I hope that it helps you...
When the system is in thermal equilibrium.
Thermal equilibrium
If a hot body and a cold body are brought into contact with each other, they finally attain the same temperature. The hot body emits heat while the cold body absorbs energy continually, although in unequal quantities. The exchange process continues until the temperatures equalize. Each object is then absorbing and emitting equal amounts of energy and the objects are said to be in thermal equilibrium.
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Zeroth law of thermodynamics: If two systems are in thermal equilibrium with a third system, they must be in thermal equilibrium with each other. This law helps define the notion of temperature.
Consider 2 beakers of water, in one beaker, the temperature of water is above room temperature, and the other is below room temperature. They are left on a table (they are not in contact with each other), after some time, equilibrium is reached. Both beakers of water are at the same temperature. The two beakers become in thermal equilibrium with the surroundings, thus they are in thermal equilibrium with each other, and they are at the same temperature. I hope that it helps you...
In thermal equilibrium, and only in thermal equilibrium, entropy is constant.
No, order can't spontaneously appear in a macroscopic closed system which has reached thermal equilibrium.
When the system is in thermal equilibrium.
Thermal equilibrium
Zeroth law of thermodynamics: If two systems are in thermal equilibrium with a third system, they must be in thermal equilibrium with each other. This law helps define the notion of temperature.First law of thermodynamics: Heat is a form of energy.Because energy is conserved, the internal energy of a system changes as heat flows in or out of it. Equivalently, perpetual motion machines of the first kind are impossible.Second law of thermodynamics: The entropy of any closed system not in thermal equilibrium almost always increases.Closed systems spontaneously evolve towards thermal equilibrium -- the state of maximum entropy of the system -- in a process known as "thermalization". Equivalently, perpetual motion machines of the second kind are impossible.Third law of thermodynamics: The entropy of a system approaches a constant value as the temperature approaches 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
If a hot body and a cold body are brought into contact with each other, they finally attain the same temperature. The hot body emits heat while the cold body absorbs energy continually, although in unequal quantities. The exchange process continues until the temperatures equalize. Each object is then absorbing and emitting equal amounts of energy and the objects are said to be in thermal equilibrium.
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Le Chatelier's principle is very important in studying the chemical systems in equilibrium. It states if an external stress is applied to a system in equilibrium, then the equilibrium shifts in a direction where the change can be neutralized.
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Equilibrium is a state of balance where the system is stable and there is no tendency for change. This allows systems to maintain optimal functioning and efficiency. It also enables predictability and helps in understanding the behavior of systems in response to external factors.