Why does stirring your spoon in a cup dissolve salt or sugar?
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Think of it as a stack of papers. Everyone in the room wants a piece of paper. But because they’re in a pile, they have to line up one by one to grab them. The process can speed up if we spread the papers around so more people can access them at once. The same sorta happens with water and sugar. We stir the water to spread the sugar around, so it can be absorbed by the water more efficiently rather than absorbing from the outside of the pile to the inside.
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