If matter generally expands when it is heated, then why does a can of soda explode when left in the freezer?

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I am definitely not a science person, so this may be a really obvious/dumb question, but I don’t get it. My understanding was that most things expanded when heated, but sodas/beers seem to expand violently when they’re frozen. Can someone explain this like I’m five?

In: Chemistry

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Anonymous 0 Comments

To add on a little, this due to how water molecules arrange themselves when frozen. They form a sort of crystalline lattice that ends up having a lot of space in between, which is why ice is less dense. However that does happen until a very specific point right before it freezes. I don’t remember exactly where this is, it’s like, four Celsius or something, but water does actually contract like you’d expect, right up until that point.

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