CHE 110

Chapter 1

100

Determine the number of significant figures of 0.0580 m³

Three

200

Lead melts at 601.0^oC. What temperature is this in ^oF?

1114 ^oC

300

The density of platinum is 21.45 g/cm³. What is the volume of a platinum sample with a mass of 11.2 g?

0.522 cm³

400

How many significant figures does the result of the following sum contain?
8.5201+1.93

10.45
4 sig figs

500

What is the volume in L of a 1.24 kg sample of benzene (density = 0.876 g/mL)?

1.42 L

Chapter 2

100

Write the formula for the molecular compound: sulfur tetrafluoride

SF₄

200

Calculate the number of neutrons in 239Pu

145

300

Name the compound: Ca(OH)₂

Calcium hydroxide

400

Write the formula for sulfurous acid.

H₂SO₃

500

What is the symbol and charge for an ion containing 24 protons and 22 electrons?

Cr²⁺

Chapter 1&2

100

A microliter corresponds to _____ L?

1 x 10^-6 L

200

Name the compound: HgO

Mercury (II) oxide

300

Write the formula for ammonium sulfate.

(NH₄)₂SO₄

400

Convert 7.2 cm³ to mm³.

7.2 x 10³ mm³

500

The fastest time to finish a 500 mile driving race was 2hr 41min 18.4s. What was the average speed (in m/s) of the car during the race.
1 mile = 1609 m

83.1 m/s