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. Suppose a piece of metal at 90 °C is quickly transferred into a Styrofoam cup containing 212 grams of water at 24 °C. After a minute or so, the temperature of the contents of the cup is stable at 35 °C. Use 4.2 J/(g.°C) as the specific heat capacity of water and assume that during this time the energy transferred between the contents of the cup and the surroundings is negligible and that there is no heat loss to the cup.

. Suppose a piece of metal at 90 °C is quickly transferred into a Styrofoam cup containing 212 grams of water at 24 °C. After a minute or so, the temperature of the contents of the cup is stable at 35 °C. Use 4.2 J/(g.°C) as the specific heat capacity of water and assume that during this time the energy transferred between the contents of the cup and the surroundings is negligible and that there is no heat loss to the cup.

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 109AE: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g...
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(d) If the mass of the metal is 196 grams, what is its specific heat capacity?
(e) What is the change of water’s entropy? Note the volume of water stays the same.
(f) What is the change of total entropy of the system, including both water and metal?

 

. Suppose a piece of metal at 90 °C is quickly transferred into a Styrofoam cup containing 212 grams of water at 24 °C. After a minute or so, the temperature of the contents of the cup is stable at 35 °C. Use 4.2 J/(g.°C) as the specific heat capacity of water and assume that during this time the energy transferred between the contents of the cup and the surroundings is negligible and that there is no heat loss to the cup.
Transcribed Image Text:. Suppose a piece of metal at 90 °C is quickly transferred into a Styrofoam cup containing 212 grams of water at 24 °C. After a minute or so, the temperature of the contents of the cup is stable at 35 °C. Use 4.2 J/(g.°C) as the specific heat capacity of water and assume that during this time the energy transferred between the contents of the cup and the surroundings is negligible and that there is no heat loss to the cup.
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