chemistry professor has a cup of coffee containing 50.0 mL of room temperature coffee at 25.0 °C. The professor also has a new pot of hot coffee at temperature of 98.0 °C. What volume of hot coffee will the professor need to add to his cold coffee to reach the ideal drinking temperature of 82.0 °C? Assume that no heat is lost to the coffee cup or to the environment. Also assume
chemistry professor has a cup of coffee containing 50.0 mL of room temperature coffee at 25.0 °C. The professor also has a new pot of hot coffee at temperature of 98.0 °C. What volume of hot coffee will the professor need to add to his cold coffee to reach the ideal drinking temperature of 82.0 °C? Assume that no heat is lost to the coffee cup or to the environment. Also assume
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 20E: A 45-g aluminum spoon (specific heat 0.88 J/g C) at 24 C is placed in 180 mL (180 g) of coffee at 85...
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A chemistry professor has a cup of coffee containing 50.0 mL of room temperature coffee at 25.0 °C. The professor also has a new pot of hot coffee at temperature of 98.0 °C. What volume of hot coffee will the professor need to add to his cold coffee to reach the ideal drinking temperature of 82.0 °C? Assume that no heat is lost to the coffee cup or to the environment. Also assume that coffee has the same density (1.0 g/mL) and heat capacity (4.184 J/g °C) as water.
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