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    thegirl's Avatar
    thegirl Posts: 3, Reputation: 1
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    #1

    Jan 29, 2008, 03:57 PM
    Why is the density of a substance.
    Why is the density of a substance independent of sample size?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Jan 29, 2008, 04:12 PM
    I suggest you look up and think about the definition of density.
    Evil dead's Avatar
    Evil dead Posts: 116, Reputation: -5
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    #3

    Jan 29, 2008, 05:42 PM
    Density is a measure of mass in a given volume. Doesn't matter what mass, if it's packed in a small enough volume, the total density will still increase exponentially.

    Btw Capuchin, does density have an affect on the weight of the object as a whole?
    Evil dead's Avatar
    Evil dead Posts: 116, Reputation: -5
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    #4

    Jan 30, 2008, 12:30 AM
    I have a dense material i.e. Lead. I vaporize it into a large volume... Is it still as dense?:confused:

    Jesus Christ... *rolleyes*
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #5

    Jan 30, 2008, 01:06 AM
    The whole point is that under normal conditions, a substance has a fixed density. So no matter how much of a material you have, the density (mass/volume) will stay the same.

    If you increase the density then you increase the mass, so the weight increases too. But if you increase the density by compression of a certain amount of material into a smaller volume (like most examples of solidification), then density will increase but mass will not.
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