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Not freezeing water

  1. Oct 1, 2008 #1
    moe in wichita ks
    if i have 32 oz of water (in a reg plastic soft drink cup) that is 78 deg f and i put it in a freezer that is 0 deg f how long can i leave it in before it freezes? i realy am going to test this out.
  2. jcsd
  3. Oct 1, 2008 #2


    User Avatar
    Science Advisor

    Depends on the cooling rate of your freezer. The heat energy required to be removed from the water to freeze it would be:

    [tex] -Q_{out} = mC \Delta{T} [/tex]

    Divide that by your cooling rate and you’ll have the time.

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