What is the mass of gold in a bar that measures 3.0 cm by 3.0 cm by 20.0 cm? (The density of gold is 19.3 g/cm3 at 20°C.)

9.33 g

3500. g

180 g

3474 g

3.5×103 g

A 32.0-g sample of oxygen gas occupies 22.40 L at 1.0 atmosphere of pressure and 0°C. How many cubic inches does it occupy?

0.367

1.37

1.367×103

1.37×103

1.37×10-3