boiling point of water
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Under what conditions does water boil at exactly 100 degrees Celsius? How frequently are these conditions observed in your environment? How could you raise the boiling point of water? How could you lower it? Can you increase the speed of cooking by increasing the heat? Why or why not? Why does a pressure cooker cook food more quickly? In what ways might this principle be used for something besides food?
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The expert determines under what conditions does water boil at exactly 100 degrees Celsius.
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Water boils when the vapor pressure of water becomes equal to the atmospheric pressure. Water boils at exactly 100 degrees Celcius when the pressure is 1 atm, which is atmospheric pressure. At sea level, thats the pressure we observe. But, when you are at the top of the mountain, the pressure is lower and therefore, water boils at ...
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