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Q4U asked in Science & MathematicsChemistry · 1 decade ago

Freezing is the removal of heat. Where does the heat go?

Does the heat energy just turn into potential energy?

Update:

What if it's in the freezer? Nothing could absorb the heat there.

Update 2:

Oh, duh, I didn't realize there was an output on the back the freezer. Thanks everyone for clearing this up.

13 Answers

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  • Dean C
    Lv 6
    1 decade ago
    Favorite Answer

    A definition of Refrigeration is, "Removing heat from where it is objectionable, and placing it where it is not objectionable."

    Lets say in the case of a freezer. The door is closed and the temperature is below 32 degrees. The refrigeration system has removed the heat from the inside of the freezer and put it where it is not objectionable. In this case, the kitchen. When you put something in the freezer, say ice trays full of water, the heat from the warmer water is removed to where it is not objectionable. Again, the Kitchen

    Same thing for Air Conditioning. The evaporator in the fan unit pulls warm air in the house thru the vent system and it is absorbed by the cold refrigerant. The heated refrigerant is pumped to the outside unit where it is again heated to above 100 degrees and is deposited where it is not objectionable. In this case, the outside atmosphere.

  • ?
    Lv 7
    1 decade ago

    In order to freeze, the temperature of the cooling medium must be below that of the freezing temperature of the substance being frozen.

    If it's the Atmospheric Temperature, then the heat goes into the colder atmosphere.

    If it's a freezer, it first goes into the refrigerant. Then it goes to the room atmosphere by way of the cooling/condensing coils of the refrigeration compressor discharge gas (Generally behind the fridge and, A/C units don't freeze, they only cool the circulating air but, even then the heat removed goes into the the refrigerant then into outside atmosphere via the outside cooler/condenser unit).

  • Anonymous
    1 decade ago

    It's simply blown off someplace else. An example of this is the principle behind air conditioning. Let's say you take 1 cubic foot of air at regular old room temperature, and suddenly compress it down to 1 cubic inch, which is 1/1728 of the volume of a cubic foot. Now all the room temperature heat that occupied the cubic foot is jammed down into just 1 cubic inch, which means the cubic inch being much smaller will now be much hotter because all the heat is packed into a much smaller space. Now if you cool the small cube back down to room temperature by blowing air across it to carry off the heat, and then suddenly let it expand back up to 1 cubic foot, now the reverse happens. All the room temperature heat which occupied the 1 cubic inch is now expanded to occupy 1 cubic foot, so all the heat that was in 1 cubic inch is now spread out over a volume 1728 times larger. Now the 1 cubic foot will be very much colder because contains far less heat; the heat having been dissipated when it was compressed down to the smaller size.

    This is exactly how air conditioning works: compress the coolant down, then blow air across it to get rid of the heat, and then let it expand back up again, and when it does it will be much colder, having lost all its heat when it was compressed.

    This is also why an aerolol can becomes colder when you spray it; the heat that was in the can at a certain compressed volume is blown out, leaving what is left in the can at a lower temperature and pressure.

    Source(s): Is it chilly in here or is it me?
  • thom t
    Lv 6
    1 decade ago

    A diamond and a lump of coal are both carbon.

    The difference between a diamond and a lump of coal is heat and pressure: the pressure the woman put on the man to buy it and the heat he's in if he doesn't. That's the thermodynamics of romance!

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  • 1 decade ago

    The heat goes into the surrounding environment.

    For example, if you activate the compressor unit on your refrigerator, it removes heat from the interior of the fridge, and dumps it into the surrounding room.

  • john g
    Lv 5
    1 decade ago

    Put your hand on the pipes at the back of a freezer and you'll find out.

  • 1 decade ago

    to the next availabe source, like newtons 3rd law.-action, reaction. freeze you lose heat hence the heat being absorbed into some other sustance---- which would be the air

  • Anonymous
    1 decade ago

    The freezing particals over freeze the heat wave and take over the air, so it completley covers the heat

  • Sora
    Lv 6
    1 decade ago

    the heat goes to your surroundings if u are freezing, or to other part of the planet if one place is freezing!

  • 1 decade ago

    I think it would be a kinetic energy increase in the surroundings.

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