Basics of Kinetic Theory of Gas

Posted by Raksha on November 18th, 2019

Properties such as temperature and pressure are known as macroscopic properties of gases. The microscopic phenomenon is related to these macroscopic properties. Molecular motion is known as the microscopic phenomenon. Therefore, the kinetic theory of gases can be defined as the relationship between macroscopic properties and microscopic phenomena. 

Kinetic means the study of motion and the motion of gas molecules are studied. 

Assumptions of the kinetic theory of gases

Following are the assumptions of the kinetic theory of gases:

  • The molecules that make of the gases are constantly moving in random directions.

  • The size of the molecules is less than the separation between these molecules.

  • When the gas molecules collide with each other and when they are kept in a glass container they do not exert any pressure. 

  • There are gas molecules that obey Newton’s laws of motion.

  • The collisions between the gas molecules are considered to be elastic. 

What is the formula of the kinetic theory of gases?

Following is the formula of the kinetic theory of gases:

PV = ⅓ Nmv-2

Where,

  • P is the pressure of the gas

  • V is the volume of the gas 

  • N is the number of molecules

  • m is the mass of each molecule

  • v is the average velocity of all the individual molecules velocities

Kinetic theory of gases is used for predicting other properties of gases such as:

  • A statistical distribution of molecular velocity.

  • Viscosity, the coefficient of diffusion, thermal conductivity are the transport properties that can be explained with the help of the kinetic theory of gases.

According to the kinetic theory of gases, the collision between the gas molecules and the container wall is responsible for the pressure of the gas. The average speed of the gas molecules and temperature are directly related to each other.


Interested to learn more about other concepts of Physics such as amplitude modulation, stay tuned with BYJU’S.

Raksha

About the Author

Raksha
Joined: November 18th, 2019
Articles Posted: 2

Guitar Theory Revolution
My name is Neil and Iím a London based musician and guitar teacher. My specialty is helping people who have always struggled to learn, understand and use music theory. Take a look at my Guitar Theory Revolution course and start learning today!
Guitar Theory Revolution
Guitar Theory Revolution Academy is the exclusive members area where you will find my complete method. It consists of several different resources; books, videos diagrams and MP3s.
Paleo Diet Guides from Robb Wolf
Paleo Diet basics, Paleo on a budget, Paleo dining out and restaurant guide, and more
Guitar and Piano Chords Together - StringTheoryChords.com
String Theory Chords is the number one source for viewing Guitar and piano chords together on all your devices. Easily convert and play guitar chords on piano and piano chords on guitar. With our selection e-Books in PC desktop and mobile formats, you ca
Guitar Notes Master
Maximize your practice time by using this software tutor to quickly learn the fundamentals of guitar fretboard theory: note positions, intervals, chords, scales and arpeggios - even away from your guitar!
Guitar and Piano Chords Together | StringTheoryChords.com
String Theory Chords is the number one source for viewing Guitar and Piano Chords together on all your devices. Easily convert and play Guitar Chords on Piano and Piano Chords on Guitar. With our selection e-Books in PC desktop and mobile formats, you ca