THERMAL TRANSFER OF WATER

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Uploaded by on Jan 2, 2012

This video demonstrates how similar liquids transfer heat to achieve a balanced temperature.

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Science & Technology

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Standard YouTube License

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  • I wish you'd done the third possibility, of putting same-temp water in both, and food coloring in one of them, and submerge one into the other.

  • I did enjoy this? I have to ask why did the cold water leave the beaker was it heaver? why did the hot water go into the beaker. how was the heat transfer take place. Or why did it happen. I know it happened, I know it happens but why?

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  • This is simply called molecular diffusion, a transfer of molecules self propelled by thermal energy. It is the transferring of particles from region of higher concentration to a region of lower concentration.

  • @ricardoucr actually..... ocean water is salty, which has a lower freezing point that fresh water. glaciers are actually fresh water, which is why they freeze and float ON TOP of the salt water. so no.... this is not an exception.... and no..... the ocean os not frozen. I checked the other day

    

  • nature balance yeah

  • By the way Dan thanks for posting some thing that is so thought provoking. This is really a great thing to show. this is so much more then liquid transfer of heat but how every thing transfers heat. It is a law of heat transfer as we know it.

  • Be leave it or not it has nothing to do with how dense the water is. Do you think the same thing would happen if the cold water was the tank and the hot water was in the beaker? would the hot water stay in the beaker and the cold water stay in the tank?the cold water would be much denser the hot much less dense, so the hot water would stay in the beaker?

  • @mac4tw If this were not an exception, the ocean would be frozen, so there would be no life as we know it.

  • @day8765 Hello, what happens is that when liquids cool down, they become denser, so because of this they are heavier. Same as air, for example, when you warm air, it losses density and travels up... When you warm a substance, internally the molecules vibrate more, so distance between them are larger as they repeal, that why you have less mass in the same volume...

  • How the hell do you make a living doing this? And how can I do it too? Make a video on that, please.

  • @day8765 yup colder water is denser that warmer water in all cases except when it freezes. then the "frozen water" (ice) becomes less dense that the warmer water

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