Question:

Is Water heavier than Ice?

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I know when water freezes it is less dense so it floats on water. But if you take for example, 300ml of water, weigh it and then freeze it, then weigh it when frozen, which is heavier or would it be the same?

I just started thining about this this morning and now I 'need' to know!!!

Thanks x

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  1. no unless there is a lot of it


  2. Density = Mass/Volume

    First off Mass always stays the same.

    When you freeze the water it expands... thus giving it more volume.

    Due to the definition of density above(the equation i wrote first) the higher the volume the less the density...

    The ice is less dense but it still weighs the same... Density is a property of mass/weight it is not the same thing. Which is where you got confused.... Thats the tech side of it.

  3. It is denser, which means it will weigh more per unit volume.

    This is an extraordinary property of water, to become less dense when solid, if you think about it!

  4. Water is not heavier than ice where as you can tell that they still have the same mollecular weight

    thats where you apply knowledge between solid state and liquid state.

    GAS<WATER<ICE

  5. WATERR

  6. Yes!

  7. 300mL of water will weigh the same if you freeze it, but if you take 300mL of water and 300mL of ice they will not weigh the same because once the ice is melted it will be a smaller amount of water. It won't be the 300mL anymore.

  8. when water changes to ice, the atoms stay the same weight, so NO water is not heavier than ice.

  9. just depends how much water there is

  10. That's a good question.......

    ..

    c**p, now I want to know!!

  11. Acording to conventional physics, they are equal.

    But believe it or not, by the laws of relativity and E=MC^2, more energetic objects are defined as more massive, and this is proven fact. For example, if you climb on top of your desk, you now have more potential energy, and are therefore slightly more massive than before.

    Water is hotter than ice, and the atoms are more excited and energetic. Therefore on a molecular level, water is always more massive than ice. Hot masses are always slightly heavier than identical cold masses.

  12. no it's not.,!!

  13. It would weigh the same but it`s volume would be greater and therefore less dense which would make it float.........

  14. You might find this hard to believe but a ton of water weighs the same as a ton of ice.

  15. yea...that liquid is heaver than a solid

  16. no!!!!!!!!!!!!!!!!!!!!!!!!!

  17. No.....but pressure of the water is heaviour than ice

  18. In equal volumes water is heavier.

  19. man, ermm high school chemistry

    I'm confident that ice is heavier. Most compounds/elements decrease in size when in transition from a liquid to a solid state because all of the bonds join together. Water is the exception, the bonds become more rigid, thus making it expand in size. If you take the same capacity of water along with the same capacity of ice, ice would be heavier.

  20. Water IS 'heavier' that ice, but FOR A GIVEN VOLUME!!  So of course, ice floats in water, but if you freeze say 300ml of water in a close-capped bottle, it WILL expand, and bust its' way out of the bottle.  This is why frozen water pipes burst in Winter.

  21. No, 1 pound of water have the same wheight of 1 pound of ice.

    The ice floats because water's density is bigger than ice density
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