States of matter

Molecules in a solid

Molecules in a solid can vibrate but without changing their position. What is the relationship between temperature and the kinetic energy of the molecules? Change the temperature to find out.

Molecules in a liquid

Las moléculas de un líquido pueden cambiar su posición, pero el volumen del líquido no cambia.

Molecules in a gas

The molecules of a gas move at high speed in any direction. What determines the volume of the gas?

States of Matter

Look at the different types of molecules that make up a solid, liquid, or gas. Add or remove heat and see the phase change. Change the temperature or volume of a container and see a pressure-temperature diagram change in real time. Relate the interaction potential of forces between molecules.


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General chemistry


General Chemistry I: Atoms, Molecules, and Bonding


Big Bang and the Origin of Chemical Elements




From Atoms to Materials: Predictive Theory and Simulations


Microstructural Evolution of Materials Part 1: Statistical Mechanics


Microstructural Evolution of Materials: Surfaces and Surface-Driven Reactions


Microstructural Evolution in Materials: Phase Transformations


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