How many kilojoules of energy are required to change 50.0g of Ethyl Alcohol from 60.0degrees Celsius to Vapor? - how much is 60 grams of alcohol
to 78.4 degrees Celsius? The specific heat of ethyl alcohol is the degree Celsius 2.138J/grams
Saturday, February 6, 2010
How Much Is 60 Grams Of Alcohol How Many Kilojoules Of Energy Are Required To Change 50.0g Of Ethyl Alcohol From 60.0degrees Celsius To Vapor?
1 comment:
(78.4-60) * 50 * 2.18 = 2005.6 Y to the liquid heat 78.4C.
Then we need the heat of vaporization: 841 kJ / kg Add
841 kJ / kg = 841 J / g
841 * 50 = 42050
42050 +2005.6 = 44055.6
The given values correspond to 3 significant figures for the same use to respond.
44,100 joules = 44.1 kJ
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