Boiling water with a Bunsen burner.

Boiling water with a Bunsen burner.

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Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: The Bunsen burner is fuelled by hydrocarbon gases to produce a flame. It is used in the laboratory as a heat source, here to boil the water in the beaker. The Bunsen burner vent is in its open position which creates a hotter blue flame. The gauze provides support for what is being heated, and also helps to spread the heat evenly. Pure water boils at a temperature of 100 degrees Celsius at standard atmospheric pressure.

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Keywords: apparatus, beaker, blue flame, boiling, bunsen burner, chemistry, combustion, equipment, experiment, flame, gas, gauze, heat source, heating, hot, liquid, natural gas, physics, science, steam, temperature rise, tripod, vent, water

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