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2. A stone of mass 9.71 g is dried in an oven at 100.0°C. It is dropped in an insulated graduated cylinder containing 50.0 mL of water at 24.0°C. The water level rises to 54.5 mL and the final temperature after equilibrium is 33.6°C. a) What is the density of the rock in g/cm b) What is the specific heat of the rock?

2. A stone of mass 9.71 g is dried in an oven at 100.0°C. It is dropped in an insulated graduated cylinder containing 50.0 mL of water at 24.0°C. The water level rises to 54.5 mL and the final temperature after equilibrium is 33.6°C. a) What is the density of the rock in g/cm b) What is the specific heat of the rock?

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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answers with the correct number of significant figures. Use additional paper if needed. Cs water = 4.181 J/g°C d = 0.99730 g/mL at 24°C 1 US gal = 3.78 L %3D %3D gearth = 9.8 m/sec? = 4nr/3 Ggravity constant = 6.673 × 10-11 Nm?/kgʻ sphere %3D 1. A garage floor is protected with a finishing epoxy. The epoxy is imported from a US manufacture. The cured epoxy layer is 8.0 mm thick as measured by the contractor. If 34.1 gal of liquid epoxy was necessary and the garage is 3.1 m wide, how deep is it (in m)? 2. A stone of mass 9.71 g is dried in an oven at 100.0°C. It is dropped in an insulated graduated cylinder containing 50.0 mL of water at 24.0°C. The water level rises to 54.5 mL and the final temperature after equilibrium is 33.6°C. a) What is the density of the rock in g/cm 3. b) What is the specific heat of the rock? 3. An astronaut travels to the moon of a giant planet. His/her weight before departure was 715.4 N. a) If the diameter of the moon is 5.1494 x 10° km (determined during the approach) and the mean density of the moon is 1.88 g/cm° (determined after landing) what is the mass of the moon (kg).
Transcribed Image Text:answers with the correct number of significant figures. Use additional paper if needed. Cs water = 4.181 J/g°C d = 0.99730 g/mL at 24°C 1 US gal = 3.78 L %3D %3D gearth = 9.8 m/sec? = 4nr/3 Ggravity constant = 6.673 × 10-11 Nm?/kgʻ sphere %3D 1. A garage floor is protected with a finishing epoxy. The epoxy is imported from a US manufacture. The cured epoxy layer is 8.0 mm thick as measured by the contractor. If 34.1 gal of liquid epoxy was necessary and the garage is 3.1 m wide, how deep is it (in m)? 2. A stone of mass 9.71 g is dried in an oven at 100.0°C. It is dropped in an insulated graduated cylinder containing 50.0 mL of water at 24.0°C. The water level rises to 54.5 mL and the final temperature after equilibrium is 33.6°C. a) What is the density of the rock in g/cm 3. b) What is the specific heat of the rock? 3. An astronaut travels to the moon of a giant planet. His/her weight before departure was 715.4 N. a) If the diameter of the moon is 5.1494 x 10° km (determined during the approach) and the mean density of the moon is 1.88 g/cm° (determined after landing) what is the mass of the moon (kg).
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