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Thermodynamics

Heat transfer, phase transitions, and thermal phenomena

Ideal Gas Law Calculator: PV = nRT and Kinetic Theory Explained

29 Jul 2026

Ideal gas law calculator with an interactive kinetic theory simulator — find pressure, volume or temperature from PV = nRT and watch molecules respond live.

ideal gas lawkinetic theoryPV=nRTBoyle's lawCharles's lawgas constantthermodynamicsroot-mean-square speed

Leidenfrost Effect

1 Mar 2026

Why do water droplets levitate and skitter on a very hot pan? Explore the Leidenfrost effect — the vapour cushion that insulates droplets above the Leidenfrost point — with an interactive heat transfer simulation.

thermodynamicsheat transferphase transition

What is the Triple Point?

22 Mar 2025

The unique state where solid, liquid, and gas coexist in thermodynamic equilibrium.

thermodynamicsphase transitionstriple point

Anomalous Expansion of Water

1 Jun 2019

Why water breaks the rules — density decreases below 4°C due to hydrogen bonding.

thermodynamicswaterhydrogen bondingdensity
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