100 grams of water is measured to have an initial temperature of 28 degrees Celsius. An unknown metal weighing 8.0 grams is heated to a temperature up to 150 degrees Celsius and then immediately dropped into the coffee cup calorimeter filled with the water. The final temperature of the set-up is recorded to be 32.5 degrees Celsius. Assume no heat is lost to the surroundings nor absorbed by the coffee-cup calorimeter. a. The amount of heat absorbed by 100-grams of water in the coffee-cup calorimeter is ___ KiloJoules. b. The specific heat capacity of the unknown metal is ___ Joules/gram-degree Celsius.
100 grams of water is measured to have an initial temperature of 28 degrees Celsius. An unknown metal weighing 8.0 grams is heated to a temperature up to 150 degrees Celsius and then immediately dropped into the coffee cup calorimeter filled with the water. The final temperature of the set-up is recorded to be 32.5 degrees Celsius. Assume no heat is lost to the surroundings nor absorbed by the coffee-cup calorimeter. a. The amount of heat absorbed by 100-grams of water in the coffee-cup calorimeter is ___ KiloJoules. b. The specific heat capacity of the unknown metal is ___ Joules/gram-degree Celsius.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A coffee-cup calorimeter containing 100 grams of water is measured to have an initial temperature of 28 degrees Celsius. An unknown metal weighing 8.0 grams is heated to a temperature up to 150 degrees Celsius and then immediately dropped into the coffee cup calorimeter filled with the water. The final temperature of the set-up is recorded to be 32.5 degrees Celsius. Assume no heat is lost to the surroundings nor absorbed by the coffee-cup calorimeter.
a. The amount of heat absorbed by 100-grams of water in the coffee-cup calorimeter is ___ KiloJoules.
b. The specific heat capacity of the unknown metal is ___ Joules/gram-degree Celsius.
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