Copper Mountain College Ch 2 Measurement & Quotient Evaluation Questions

1)Evaluate the quotient.

2)Evaluate the quotient.

3)Convert 1.11×10−3 m$1.11\times {10}^{-3}\text{m}$ to the equivalent length in nanometers.

4)Convert the volume to its equivalent in milliliters.

5)Steve races to the nearest taco stand at lunchtime and sees that his pedometer recorded his peak speed at 109.5$109.5$ cm/s. What was Steve’s peak speed in kilometers per hour?

6)Ethanol is a common laboratory solvent and has a density of 0.789$0.789$ g/mL. What is the mass, in grams, of 139$139$ mL of ethanol?

7)An empty beaker weighs 45.81 g.$45.81\text{g.}$

When completely filled with water, the beaker and its contents have a total mass of 269.15 g.$269.15\text{g.}$ What volume does the beaker hold? Use =1.00 g/mL$d=1.00\text{g/mL}$ as the density of water.

How much would the beaker and its contents weigh if it was completely filled with mercury? The density of mercury is =13.5 g/mL.