when heating water, where are the bubbles/air coming from?

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And why are they starting from the metal bottom?

And why the bubbles disappear in the middle???

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In: Chemistry

3 Answers

Anonymous 0 Comments

The bubbles are water.

Specifically, the bubbles are water that has changed from the liquid state to the gas state, steam. The reason bubbles form on the bottom of a pot is because that’s where the heat is greatest. When bubbles get to the top of the water, they evaporate.

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