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Answer to Question #45207 in Other Chemistry for Nicole

Question #45207
A beaker is half filled with water. A thermometer is placed in the water and the temperature is notes to be 25°C. The beaker is placed on a tripod and, instead of using a Bunsen Burner, a spirit burner filled with ethanol, C2H5OH, is lit and placed underneath the beaker.

a)Why can the ethanol be used as a fuel in the spirit burner?
b)After about ten minutes, the reading on the thermometer is checked. What should one observe?
Expert's answer
a)     Ethanol is a volatile carbon containingsubstance, which can be burned according to the reaction:
b)     This oxidationreaction (burning) produces heat. That is why, when in 10 minutes the reading on the thermometer was checked, the temperature rising should be observed.

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