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mL volum a. Calculate the temperature of the b. Calculate the temperature of the solution on the Kelvin C. c. When the solution is heated, its density decreases. How would the volume of the solution change if the solution is warmed to 25.0°C? d. When the solution is cooled, its density increases. How would the of the solution change if the solution is cooled to 15.0°C? in parts (c) and (d) tell you

mL volum a. Calculate the temperature of the b. Calculate the temperature of the solution on the Kelvin C. c. When the solution is heated, its density decreases. How would the volume of the solution change if the solution is warmed to 25.0°C? d. When the solution is cooled, its density increases. How would the of the solution change if the solution is cooled to 15.0°C? in parts (c) and (d) tell you

Chemistry
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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Question number 7, part c
6. Yesterday's temperature was 40°F. Today it is 80°F. Bill tells Sue that it is twice as hot today. Sue disagrees. Do you think Sue is correct or incorrect? Why or why not? 7. An aqueous solution (salt dissolved in water) is contained in a 100.0- mL volumetric flask. The temperature of the solution is 20.0°C. a. Calculate the temperature of the solution in degrees Fahrenheit. b. Calculate the temperature of the solution on the Kelvin scale. c. When the solution is heated, its density decreases. How would the volume of the solution change if the solution is warmed to 25.0°C? d. When the solution is cooled, its density increases. How would the volume of the solution change if the solution is cooled to 15.0°C? e. What does the information conveyed in parts (c) and (d) tell you about the proper use of volumetric flasks? f. Is the density of the solution an intensive property or an extensive property? 8. Create a concept map that illustrates the relationship between scientific notation and unit prefixes. 9. A balloon is filled with helium at a temperature of 25.0°C. a. Calculate the temperature of the helium in degrees Fahrenheit. b. Calculate the temperature of the helium on the Kelvin scale. c. Gas density decreases with increasing temperature. What would you observe if you heated the balloon? d. Gas density increases with decreasing temperature. What would you observe if you cooled the balloon? e. Is helium a pure substance or a mixture? f. Is helium an element or a compound? .o. The diameter of an aluminum atom is 250 picometers (pm) (1 pm = 10-¹2 m). How many aluminum atoms must be placed end to end to make a "chain" of aluminum atoms 1 ft long?
Transcribed Image Text:6. Yesterday's temperature was 40°F. Today it is 80°F. Bill tells Sue that it is twice as hot today. Sue disagrees. Do you think Sue is correct or incorrect? Why or why not? 7. An aqueous solution (salt dissolved in water) is contained in a 100.0- mL volumetric flask. The temperature of the solution is 20.0°C. a. Calculate the temperature of the solution in degrees Fahrenheit. b. Calculate the temperature of the solution on the Kelvin scale. c. When the solution is heated, its density decreases. How would the volume of the solution change if the solution is warmed to 25.0°C? d. When the solution is cooled, its density increases. How would the volume of the solution change if the solution is cooled to 15.0°C? e. What does the information conveyed in parts (c) and (d) tell you about the proper use of volumetric flasks? f. Is the density of the solution an intensive property or an extensive property? 8. Create a concept map that illustrates the relationship between scientific notation and unit prefixes. 9. A balloon is filled with helium at a temperature of 25.0°C. a. Calculate the temperature of the helium in degrees Fahrenheit. b. Calculate the temperature of the helium on the Kelvin scale. c. Gas density decreases with increasing temperature. What would you observe if you heated the balloon? d. Gas density increases with decreasing temperature. What would you observe if you cooled the balloon? e. Is helium a pure substance or a mixture? f. Is helium an element or a compound? .o. The diameter of an aluminum atom is 250 picometers (pm) (1 pm = 10-¹2 m). How many aluminum atoms must be placed end to end to make a "chain" of aluminum atoms 1 ft long?
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