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Why does water weigh less when frozen?

Updated: 9/17/2023
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14y ago

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Water expands slightly when if freezes (due to hydrogen bonding) and the resulting ice is less dense than water.(Actually, the water still weighs the same- it just takes up more space when frozen)

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Q: Why does water weigh less when frozen?
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Does food weigh less if frozen?

No.


What weighs less in space frozen or liquid water?

In a micro gravity, if the mass of each are equal they would 'weigh' the same.


Does frozen water weigh more?

yes!


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What is heavier - a cup of water at room temperature or a cup of water frozen?

If you mean *exactly* one cup by volume, you have the iceberg scenario. The cup of frozen water will be less dense, so it will weigh less. If you just freeze a cup of water, don't spill any, and *don't* trim the excess to bring the volume back to exactly one cup, then it will weigh exactly what it did at room temp.


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Fish will weigh less after it is thawed because it loses some water when it is thawed.


Does a pound of water frozen weigh a pound?

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Do frozen peas weigh more than unfrozen?

Yes, because the water that is frozen inside the pea is heavier and harder that a cooked pea, which has less water in it. If you just compare a package of uncooked and cooked peas, you'll feel the difference.


What is heaver water or ice if a liter weighs 1 kilogram how much is a liter of water frozen weigh?

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Does a human weigh less in water?

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When an object is submerged will it weigh less or have less mass?

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