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The density of a substance_______as the temperature increases.

  1. Mar 10, 2012 #1
    The density of a substance___________as the temperature increases.
     
  2. jcsd
  3. Mar 10, 2012 #2

    chemisttree

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    I believe the answer is 42.
     
  4. Mar 10, 2012 #3
    are you sure, i dont think so!!! im not sure if its increases or decreases
     
  5. Mar 10, 2012 #4

    chemisttree

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    When temperature increases what happens to mass? What happens to size?
     
  6. Mar 10, 2012 #5
    increases :confused:
     
  7. Mar 10, 2012 #6

    chemisttree

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    Stuff gets heavier when heated or size gets larger when heated?
     
  8. Mar 10, 2012 #7
    Size gets larger when heated
     
  9. Mar 10, 2012 #8

    chemisttree

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    What about mass?
     
  10. Mar 10, 2012 #9
    decreases
     
  11. Mar 11, 2012 #10

    I like Serena

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    No.
    Mass represents the amount of matter you have.
    Changing the temperature won't change that amount.
     
  12. Mar 11, 2012 #11

    epenguin

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    If the density increases the (fixed mass) of substance contracts, right? If density decreases...

    Put like that you probably know a rule, backed up by some direct experience.

    But it is a rule with important exceptions.
     
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