1) Upon dissolving 90.0g of KNO3 in 100g of water at room temperature (20° to 25°C), a precipitate has formed. As such, the solution is heated until it boiled. What is NOT true about the heated solution? A. The rate of solute dissolution is equal to the rate of recrystallization. B. Heating allowed more room for additional solutes to fit into the solution. C. The number of undissolved solutes became less than the dissolved ions. D. None of the above 2) What is true about the heated solution upon cooling? * A. As energy is released, the concentration of the solution increased. B. The rate of recrystallization hastens with the rate of cooling. C. The undissolved solutes start to settle at the bottom of the solution. D. All of the above
1) Upon dissolving 90.0g of KNO3 in 100g of water at room temperature (20° to 25°C), a precipitate has formed. As such, the solution is heated until it boiled. What is NOT true about the heated solution? A. The rate of solute dissolution is equal to the rate of recrystallization. B. Heating allowed more room for additional solutes to fit into the solution. C. The number of undissolved solutes became less than the dissolved ions. D. None of the above 2) What is true about the heated solution upon cooling? * A. As energy is released, the concentration of the solution increased. B. The rate of recrystallization hastens with the rate of cooling. C. The undissolved solutes start to settle at the bottom of the solution. D. 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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Questions about heated solutions.
![1) Upon dissolving 90.0g of KNO3 in 100g of water at room temperature
(20° to 25°C), a precipitate has formed. As such, the solution is heated
until it boiled. What is NOT true about the heated solution?
A. The rate of solute dissolution is equal to the rate of recrystallization.
B. Heating allowed more room for additional solutes to fit into the solution.
C. The number of undissolved solutes became less than the dissolved ions.
D. None of the above
2) What is true about the heated solution upon cooling? *
A. As energy is released, the concentration of the solution increased.
B. The rate of recrystallization hastens with the rate of cooling.
C. The undissolved solutes start to settle at the bottom of the solution.
D. All of the above](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3bffe8c8-a22a-42b6-8086-e31ff354cda0%2Fdf408518-09f3-47ed-a925-5c2647fd872d%2Fxlbfyn9_processed.png&w=3840&q=75)
Transcribed Image Text:1) Upon dissolving 90.0g of KNO3 in 100g of water at room temperature
(20° to 25°C), a precipitate has formed. As such, the solution is heated
until it boiled. What is NOT true about the heated solution?
A. The rate of solute dissolution is equal to the rate of recrystallization.
B. Heating allowed more room for additional solutes to fit into the solution.
C. The number of undissolved solutes became less than the dissolved ions.
D. None of the above
2) What is true about the heated solution upon cooling? *
A. As energy is released, the concentration of the solution increased.
B. The rate of recrystallization hastens with the rate of cooling.
C. The undissolved solutes start to settle at the bottom of the solution.
D. All of the above
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