CHM 090: Chapter 4 Review

How many sig figs? 0.0000450

• 3 sig figs

• 2 sig figs

• 4 sig figs

• 1 sig fig

Convert the following temperature to Fahrenheit: 325 K

• 125 degrees F

• 32 degrees F

• 212 degrees F

• 451 degrees F

Convert the following: 557 cm to in

• 219 in

• 150 in

• 175 in

• 200 in

• 2.89 x 10^{-23} m^{3}

• 2.89 x 10^{-12} m^{3}

• 2.89 x 10^{-18} m^{3}

Determine the density of a liquid with a mass of 366 g and a volume of 26.9 mL.

• 13.6 g/mL

• 0.073 g/mL

• 1.36 g/mL

• 0.13 g/mL

Write this number in scientific notation: 4,955,000

• 4.955 x 10^6

• 4.955 x 10^7

• 49.55 x 10^5

Convert the following temperature to K: 475 degrees F

• 519 K

• 673 K

• 400 K

• 750 K

Convert: 648 mi to km

• 1040 km or 1.04 x 10^3 km

• 800 km

• 1200 km

• 1500 km

Convert: 249 dm^3 to cm^3

• 249,000 cm^3 or 2.49 x 10^5 cm^3

• 24,900 cm^3 or 2.49 x 10^4 cm^3

The density of ethanol, the alcohol in alcoholic beverages, is 0.789 g/mL. Determine the mass (in grams) of ethanol that occupies 250.0 mL.

• 197 g

• 150 g

• 220 g

• 300 g