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Thermal motion

 

 
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Thermal motion
 
 
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Thermal motion is the random motion of molecule
Molecule

In chemistry, a molecule is defined as a sufficiently stable, electric charge neutral group of at least two atoms in a definite arrangement held together by very strong chemical bonds....
s or other small objects that results from their being in thermal equilibrium
Thermodynamic equilibrium

In thermodynamics, a thermodynamics#Thermodynamic system is said to be in thermodynamic equilibrium when it is in thermal equilibrium, mechanical equilibrium, and chemical equilibrium....
 at a particular temperature
Temperature

In physics, temperature is a physical property of a Physical system that underlies the common notions of hot and cold; something that feels hotter generally has the greater temperature....
. In general, thermal motions are faster at higher temperatures, and for lower-mass particles. For many systems, the precise relation between thermal motion and temperature is given by the equipartition theorem
Equipartition theorem

In classical physics statistical mechanics, the equipartition theorem is a general formula that relates the temperature of a system with its average energy....
.

Brownian motion
Brownian motion

Brownian motion is the seemingly random movement of particles suspended in a liquid or gas or the mathematical model used to describe such random movements, often called a particle theory....
 is an example of thermal motion.






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Thermal motion is the random motion of molecule
Molecule

In chemistry, a molecule is defined as a sufficiently stable, electric charge neutral group of at least two atoms in a definite arrangement held together by very strong chemical bonds....
s or other small objects that results from their being in thermal equilibrium
Thermodynamic equilibrium

In thermodynamics, a thermodynamics#Thermodynamic system is said to be in thermodynamic equilibrium when it is in thermal equilibrium, mechanical equilibrium, and chemical equilibrium....
 at a particular temperature
Temperature

In physics, temperature is a physical property of a Physical system that underlies the common notions of hot and cold; something that feels hotter generally has the greater temperature....
. In general, thermal motions are faster at higher temperatures, and for lower-mass particles. For many systems, the precise relation between thermal motion and temperature is given by the equipartition theorem
Equipartition theorem

In classical physics statistical mechanics, the equipartition theorem is a general formula that relates the temperature of a system with its average energy....
.

Brownian motion
Brownian motion

Brownian motion is the seemingly random movement of particles suspended in a liquid or gas or the mathematical model used to describe such random movements, often called a particle theory....
 is an example of thermal motion.