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Enthalpies of combustion.
Member rating: No Rating | Words: | Submitted: Wed Nov 05 2003
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Enthalpies of combustion In this experiment we are trying to see how the enthalpies of combustion change with 4 different alcohols. The alcohols we will be using are. ?Methanol (CH3OH) ?Ethanol (C2H5OH) ?Propanol (C3H7OH) ?Butanol (C4H9OH) As you can see all of these alcohols are made out of the same compounds. What we want to know is how the number of Carbon atoms (C) affects the enthalpy of combustion. We set up the apparatus as shown above. We put a thermometer in and measured the temperature of the water. The alcohol was weighed and put under the beaker. The wick was set alight and we watched until the temperature had gone up approximately 10oC, extinguished the alcohol with the lid of the spirit lamp, took it to the front and weighed it again. We then went back to our benches and recorded the final temperature as well. We put all of these in a table so that...
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