Zeroth law of thermodynamics in terms of heat

Thread starter Tosh5457
Start date Oct 10, 2011
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Heat Law Terms Thermodynamics Zeroth law

In summary, the Zeroth law of thermodynamics is a fundamental principle stating that systems in thermal equilibrium with a third system are also in thermal equilibrium with each other. It is important for the creation of a temperature scale and the study of heat transfer, and applies to everyday life in various ways. This law cannot be violated and dictates the flow of heat between systems not in thermal equilibrium.

Oct 10, 2011

Tosh5457

Is there any definition of the zeroth law of termodynamics using the heat concept?

And does the zeroth law imply that the only way 2 systems can transfer energy is if they're not in thermal equilibrium? If 1 system is transferring energy to another one, that means they're not in thermal equilibrium right?

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Oct 10, 2011

atyy

Science Advisor

Yes.

1. What is the Zeroth law of thermodynamics?

The Zeroth law of thermodynamics is one of the fundamental principles of thermodynamics, stating that if two systems are in thermal equilibrium with a third system, they are also in thermal equilibrium with each other. This law forms the basis for the concept of temperature and allows for the creation of a temperature scale.

2. How does the Zeroth law of thermodynamics relate to heat?

The Zeroth law of thermodynamics can be applied to the transfer of heat between systems. It states that if two systems are in thermal equilibrium, there is no net transfer of heat between them. This allows for the definition of heat as the transfer of thermal energy between two systems at different temperatures.

3. What is the significance of the Zeroth law of thermodynamics?

The Zeroth law of thermodynamics is important because it allows for the creation of a temperature scale and provides a basis for the study of heat transfer. It also allows for the comparison of thermal equilibria between different systems and the understanding of how heat moves between them.

4. How does the Zeroth law of thermodynamics apply to everyday life?

The Zeroth law of thermodynamics applies to many aspects of everyday life, including cooking, heating and cooling systems, and weather patterns. It helps us understand why objects feel warm or cold to the touch and how heat is transferred between different systems.

5. Can the Zeroth law of thermodynamics be violated?

No, the Zeroth law of thermodynamics is a fundamental law of nature and cannot be violated. If two systems are not in thermal equilibrium, heat will always flow from the hotter system to the colder system until they reach thermal equilibrium.