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Q13. Convert 27 m/s to km/hr. (a) 97 km/hr (c) 1.6 km/hr (b) 7.5 km/hr (d) 0.027 km/hr

Q13. Convert 27 m/s to km/hr. (a) 97 km/hr (c) 1.6 km/hr (b) 7.5 km/hr (d) 0.027 km/hr

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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Q13.
### Physics and Mathematics Problem Set #### Q10. Eunice's average speed is 2.1 km per hour. What is the average speed in miles per hour? - (a) 1.34 mi/hr - (b) 0.0022 mi/hr - (c) 8.09 mi/hr - (d) 8.087 mi/hr #### Q11. An automobile travels 97.2 km on 7.88 L of gasoline. What is the gas mileage for the automobile in miles per gallon? - (a) 2.02 mi/gal - (b) 7.67 mi/gal - (c) 0.034 mi/gal - (d) 29.0 mi/gal #### Q12. Convert 876.9 in³ to m³: - (a) 0.01437 m³ - (b) 22.27 m³ - (c) 5.351 × 10⁷ m³ - (d) 0.014 m³ #### Q13. Convert 27 m/s to km/hr: - (a) 97 km/hr - (b) 7.5 km/hr - (c) 1.6 km/hr - (d) 0.027 km/hr #### Q14. A cube measures 2.5 cm on each edge and has a mass of 66.9 g. Calculate the density of the material that composes the cube. (The volume of a cube is equal to the edge length cubed.) - (a) 10.7 g/cm³ - (b) 4.3 g/cm³ - (c) 0.234 g/cm³ - (d) 26.7 g/cm³ #### Q15. What is the mass of 225 mL of a liquid that has a density of 0.880 g/mL? - (a) 198 g - (b) 0.0039 g - (c) 0.198 g - (d) 0.26 g #### Q16. What is the edge length of a 155-g iron cube? (The density of iron is 7.86 g/cm³, and the volume of a cube is equal to the edge length cubed.) - (
Transcribed Image Text:### Physics and Mathematics Problem Set #### Q10. Eunice's average speed is 2.1 km per hour. What is the average speed in miles per hour? - (a) 1.34 mi/hr - (b) 0.0022 mi/hr - (c) 8.09 mi/hr - (d) 8.087 mi/hr #### Q11. An automobile travels 97.2 km on 7.88 L of gasoline. What is the gas mileage for the automobile in miles per gallon? - (a) 2.02 mi/gal - (b) 7.67 mi/gal - (c) 0.034 mi/gal - (d) 29.0 mi/gal #### Q12. Convert 876.9 in³ to m³: - (a) 0.01437 m³ - (b) 22.27 m³ - (c) 5.351 × 10⁷ m³ - (d) 0.014 m³ #### Q13. Convert 27 m/s to km/hr: - (a) 97 km/hr - (b) 7.5 km/hr - (c) 1.6 km/hr - (d) 0.027 km/hr #### Q14. A cube measures 2.5 cm on each edge and has a mass of 66.9 g. Calculate the density of the material that composes the cube. (The volume of a cube is equal to the edge length cubed.) - (a) 10.7 g/cm³ - (b) 4.3 g/cm³ - (c) 0.234 g/cm³ - (d) 26.7 g/cm³ #### Q15. What is the mass of 225 mL of a liquid that has a density of 0.880 g/mL? - (a) 198 g - (b) 0.0039 g - (c) 0.198 g - (d) 0.26 g #### Q16. What is the edge length of a 155-g iron cube? (The density of iron is 7.86 g/cm³, and the volume of a cube is equal to the edge length cubed.) - (
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