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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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9 years ago

 
A  90 g aluminum calorimeter contains  430 g of water at an equilibrium temperature of 20°C. A 180 g piece of metal, initially at 347°C , is added to the calorimeter. The final temperature at equilibrium is 32°C . Assume there is no external heat exchange.The specific heat capacities of aluminum and water are 910 and 4190 J/kg · K, respectively. The ratio of the quantity of heat gained by the aluminum to that of the water, is closest to: 
A)
 
0.05 
B)
 
0.09 
C)
 
0.13 
D)
 
0.17 
E)
 
0.21 
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padrepadre
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9 years ago
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mikael Author
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9 years ago
Thanks for helping me on my physics homework
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