When using a coffee cup calorimeter to determine the specific heat of a metal sample errors can occur in the procedure. Which of the following procedural errors would lead to a specific heat value being calculated that is lower than the accepted value? Check all that apply. When the metal was placed into the coffee cup calorimeter some water splashed out of the cup. After the metal was heated (to its initial temperature) there was a significant time delay before it was placed into the coffee cup calorimeter. After the mass of water in the coffee cup calorimeter was measured and recorded some of the water evaporated. The lid was not placed on the coffee cup calorimeter during the experiment. The mass of the metal was measured incorrectly. The actual mass of the metal used was greater than what was recorded. The "final" temperature was read before the metal and water had reached equilibrium The calorimeter used in the experiment is not completely insulated from the surroundings, and as a result some heat is lost to the surroundings during the experiment. All of the above
When using a coffee cup calorimeter to determine the specific heat of a metal sample errors can occur in the procedure. Which of the following procedural errors would lead to a specific heat value being calculated that is lower than the accepted value? Check all that apply. When the metal was placed into the coffee cup calorimeter some water splashed out of the cup. After the metal was heated (to its initial temperature) there was a significant time delay before it was placed into the coffee cup calorimeter. After the mass of water in the coffee cup calorimeter was measured and recorded some of the water evaporated. The lid was not placed on the coffee cup calorimeter during the experiment. The mass of the metal was measured incorrectly. The actual mass of the metal used was greater than what was recorded. The "final" temperature was read before the metal and water had reached equilibrium The calorimeter used in the experiment is not completely insulated from the surroundings, and as a result some heat is lost to the surroundings during the experiment. All of the above
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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When using a coffee cup calorimeter to determine the specific heat of a metal sample errors can occur in the procedure. Which of the following procedural errors would lead to a specific heat value being calculated that is lower than the accepted value? Check all that apply.
When the metal was placed into the coffee cup calorimeter some water splashed out of the cup.
After the metal was heated (to its initial temperature) there was a significant time delay before it was placed into the coffee cup calorimeter.
After the mass of water in the coffee cup calorimeter was measured and recorded some of the water evaporated.
The lid was not placed on the coffee cup calorimeter during the experiment.
The mass of the metal was measured incorrectly. The actual mass of the metal used was greater than what was recorded.
The "final" temperature was read before the metal and water had reached equilibrium
The calorimeter used in the experiment is not completely insulated from the surroundings, and as a result some heat is lost to the surroundings during the experiment.
All of the above
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