Asked by Katelyn
H2O (liquid) yields H2O gas delta H= +44kJ.
How much heat is evolved when 9.0 grams of water vapor is condensed to liquid water?
How much heat is evolved when 9.0 grams of water vapor is condensed to liquid water?
Answers
Answered by
Nina
Reverse the equation to be H2O (g) --> H2O (l) delta H= -44kJ
There are 9.0 grams of H2O (g)
Find moles of the gas: 9.0/16= .50 moles
44 times .50 =22 kJ evolved
There are 9.0 grams of H2O (g)
Find moles of the gas: 9.0/16= .50 moles
44 times .50 =22 kJ evolved
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