Check Your Learning: Self Test

Check Your Learning

  1. To three decimal places, what is the volume of a cube (cm3) with an edge length of 0.843 cm?
  2. If the cube in part 1 is copper and has a mass of 5.34 g, what is the density of copper to two decimal places?

3. Remove all of the blocks from the water and add the green block to the tank of water, placing it approximately in the middle of the tank. Determine the density of the green block.

4. An irregularly shaped piece of a shiny yellowish material is weighed and then submerged in a graduated cylinder, with results as shown.

This diagram shows the initial volume of water in a graduated cylinder as 17.1 milliliters. A 51.842 gram gold colored rock is added to the graduated cylinder, causing the water to reach a final volume of 19.8 milliliters

a. Use these values to determine the density of this material.

b. Do you have any reasonable guesses as to the identity of this material? Explain your reasoning.

11. Add 2.334 mL and 0.31 mL.

12. Subtract 55.8752 m from 56.533 m.

13. Multiply 2.334 cm and 0.320 cm.

14. Divide 55.8752 m by 56.53 s.

15. Convert a volume of 9.345 qt to liters.

16. What is the volume in liters of 1.000 oz, given that 1 L = 1.0567 qt and 1 qt = 32 oz (exactly)?

17.  A Toyota Prius Hybrid uses 59.7 L gasoline to drive from San Francisco to Seattle, a distance of 1300 km (two significant digits).

  1. What (average) fuel economy, in miles per gallon, did the Prius get during this trip?
  2. If gasoline costs $3.90 per gallon, what was the fuel cost for this trip?

18. Convert 80.92 °C to K and °F.

19. Convert 50 °F to °C and K.