Question

Why does boiling water in a pot on a stove have a temperature of 100°C even if it has been boiling an hour?

Answer 1

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Explanation:

The boiling point of pure water doesn't depend from the time from wich has begun to boil. It depends only by the atmosferic pressure and possibly by the concentration of solute dissolved in it. In fact it depends by the energy required to break the hidrogen bonds that connect the individual molecules of water