During rainy days, you like to fix yourself a mug of hot choco. Being an "O.C." you like to prepare 250mL of this delicious drink at precisely 90 degree Celsius plus you always add enough milk at 5 degree Celsius to drop the temperature of the choco to 85 degree celcius. What is the amount of milk (in mL) that you need to add to reach this temperature? (Assume that the mug is insulated from surroundings, the specific capacity of the choco and milk is 4.18 J/g degree Celsius, and their densities is 1.0 g/mL).

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter16: Temperature And The Kinetic Theory Of Gases
Section: Chapter Questions
Problem 33P: At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air...
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During rainy days, you like to fix yourself a mug of hot choco. Being an "O.C." you like to prepare 250mL of this delicious drink at precisely 90 degree Celsius plus you always add enough milk at 5 degree Celsius to drop the temperature of the choco to 85 degree celcius. What is the amount of milk (in mL) that you need to add to reach this temperature? (Assume that the mug is insulated from surroundings, the specific capacity of the choco and milk is 4.18 J/g degree Celsius, and their densities is 1.0 g/mL).

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