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17 April, 18:05

What happens to the mass when a substance changes states

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  1. 17 April, 21:42
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    If the the level of water in a container is compared before and after the fusion, it can be realized that the ice has a higher level than that of liquid water: solid and liquid water does not have the same volume.

    We can generalize:

    A state change always causes a change in volume.

    Comment:

    Water is an exception, volume increases during a melting for most of substances.
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