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Entropy and the direction of change
Entropy A measure of the number of ways in which particles can be
arranged




Gas molecules move in a straight line until it collides with another gas molecule or the wall
of the container, when it then changes direction.




This shows a container with…

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Mixing Liquids

Liquids mix because there are more ways of them being mixed than unmixed.

Some liquids don't mix due to bonds that are stronger between the molecules of one liquid
than the bonds between the molecules of the other liquid.

General rule of mixing: substances always tend to mix…

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