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what is the heat capacity of a water balloon?
- lee (age 11)
The amount of heat needed to raise the temperature of liquid water by
one degree Celsius is one calorie per gram of water. (Here the calorie
is 1/1000'th of the Calorie -- with a capital C, which is the usual
unit of energy in food). One calorie is 4.2 Joules. The rubber in the
balloon should contribute negligibly to the heat capacity of the whole
The 1 calorie per degree gram is called the "specific heat". The
heat capacity is just the specific heat times the number of grams of
water in the ballon, and has the units calories per degree.
(published on 10/22/2007)
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