Скачать или смотреть Chemical Thermodynamics 3.2 - Pressure-Volume Work

Short physical chemistry lecture on mechanical pressure-volume work.

When a gas expands against an external pressure, work is done on the surroundings, decreasing the internal energy. When a gas is compressed, work is done on the system, increasing the internal energy.

Notes Slide: http://i.imgur.com/CqjIgH1.png

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