Zeroth law of thermodynamic and definition of temperature

In summary, the Zeroth Law of Thermodynamics states that if two systems are in thermal equilibrium with a third system, then they are also in thermal equilibrium with each other. This law is important because it allows us to define the concept of temperature and provides a basis for measuring and comparing temperatures. It is considered the most fundamental law of thermodynamics and is closely related to the other laws, including the First and Second Laws. Temperature is defined as a measure of the average kinetic energy of particles in a system and is commonly measured using scales such as Celsius, Fahrenheit, and Kelvin. The Zeroth Law cannot be violated and has been observed to hold true in all systems.
  • #1
Binvestigator
8
0
Hello everybody, I am a new member and do not know what is the best way to asking question.
in "Statical physics of particle , m.kardar" .
how he derived eq1.6 ?
he said that we can eliminate "C" from eq1.4, but how?
http://libgen.org/book/index.php?md5=BC07A3BDB70689E0E612DED12C96CC78
the book can be downloaded from above address.
 
Last edited by a moderator:
Physics news on Phys.org
  • #2
Can you please add a screenshot or similar? Thanks
 

1. What is the Zeroth Law of Thermodynamics and why is it important in thermodynamics?

The Zeroth Law of Thermodynamics states that if two systems are in thermal equilibrium with a third system, then they are also in thermal equilibrium with each other. This law is important because it allows us to define the concept of temperature and provides a basis for measuring and comparing temperatures.

2. How does the Zeroth Law of Thermodynamics relate to the other laws of thermodynamics?

The Zeroth Law is considered the most fundamental law of thermodynamics because it establishes the concept of thermal equilibrium. It is also closely related to the First Law, which states that energy cannot be created or destroyed, and the Second Law, which describes the direction of heat flow.

3. What is the definition of temperature according to the Zeroth Law of Thermodynamics?

The Zeroth Law defines temperature as a measure of the average kinetic energy of the particles in a system. When two systems are in thermal equilibrium, they have the same average kinetic energy and therefore the same temperature.

4. How is temperature measured and what units are used?

Temperature can be measured using various scales, such as Celsius, Fahrenheit, and Kelvin. The most commonly used unit is Kelvin, which is based on the absolute scale where 0 K represents the complete absence of thermal energy.

5. Can the Zeroth Law of Thermodynamics be violated?

No, the Zeroth Law is a fundamental principle of thermodynamics and has been observed to hold true in all systems. If two systems are not in thermal equilibrium, heat will flow from the hotter system to the colder one until they reach the same temperature and become balanced.

Similar threads

Replies
4
Views
954
  • Science and Math Textbooks
Replies
9
Views
337
Replies
11
Views
966
  • Thermodynamics
Replies
15
Views
1K
Replies
12
Views
1K
Replies
2
Views
757
  • Advanced Physics Homework Help
Replies
4
Views
3K
Replies
15
Views
1K
  • Introductory Physics Homework Help
Replies
3
Views
722
Back
Top