Class 11 Physics simulations · Kinetic Theory

Equipartition of energy

Compare internal energy for different active degrees of freedom.

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What to notice

Each active quadratic degree of freedom contributes ½kT per molecule.

Key relation

U = (f/2)nRT

Try this

Switch from three to five active degrees of freedom.

What you can change

• Temperature: 100 to 800 K
• Active degrees of freedom: 3 to 6
• Amount: 1 to 3 mol

More in Kinetic Theory

• Brownian motion
• Pressure vs temperature
• Molecules in motion
• Maxwell–Boltzmann speed distribution
• Molecular mean free path
• Pressure from molecular collisions

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