Posts Tagged ‘flame’

Why does a kettle stop whistling when you turn the flame off if the water is still boiling?

Monday, March 21st, 2011

I was boiling water in the kettle and when I turned off the flame, it stopped whistling…but the water was still boiling. So I’m just wondering why it does that.


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    Question about specific heat and tea….One tea kettle is heated directly over a stove flame and another is…

    Saturday, March 19th, 2011

    One tea kettle is heated directly over a stove flame and another is set upon a heavy piece of metal which is directly over a flame. After they begin to whistle you turn off the stove. Which one will stop whistling first?


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      What is kettle whistle?

      Monday, January 17th, 2011

      When we put a full of water kettle on a flame or a heater,after about 10 seconds it comes to a voice like whistle.Does everyone know about it?
      Please note that I said "after 10 seconds"


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        Where will the water boils faster in Manila or Baguio?

        Sunday, September 26th, 2010

        Assumption:
        1. Same amount of water
        2. Same flame intensity
        3. Same temperature of water
        4. Water in kettle with close lid
        Please give factual evidence. Thank you.


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        Why is it that when I boil water on the stove, the flame under the kettle turns yellow…?

        Wednesday, September 1st, 2010

        The flame is normally blue. Does the fact that there is salt in the kettle have anything to do with it?
        .
        To fooles.troupe’s: I boil salty water to make macaroni (pasta).

        To all: The flame only appears yellow when boiling water. It has something to do with boiling the water. It has nothing to do with the gas or the kettle.
        I think it has something to do with water vapor in the air from the boiling water.
        The flame turns yellow only after the water starts boiling. While the water is heating, but before it boils, the flame is blue.
        Nothing to do with the gas or material of the kettle.
        .


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