why is it that food containers expand when they spoil? If the container is a closed system and matter can’t be created, what causes an increased pressure?
In: Biology
Bacteria in the container eat solids and liquids (which are more dense) and produce gases, which are much less dense. No atoms are being created, but the bonds between them are broken down and then rearranged into bacteria farts.
“Less dense” means that the same amount of atoms in gas form now take up a lot more space than the liquids and solids they were before. Or at least they *would* take more space…but in a sealed can the amount of space is fixed. The can is already full to begin with! So the only possibility is increasing pressure in the space available.
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