Midterm Review 1

Convert 120 cm to m

• 1.2 m

• 0.12 m

• 12,000 m

• 12 m

Calculate the mass of an object that has a volume of 10 mL and a density of 4.4 g/mL

• 2.27 g

• 4.4 mL

• 0.44 g

• 44 g

Express 54,000 in scientific notation

• 5.4 x 103

• 5.4 x 104

• 54 x 103

• 5.4 x 10-4

How many significant figures (sig figs) does 500.0 have?

• 1

• 2

• 3

• 4

Convert the 3033 seconds into hours.

• 0.8425 hr

• 50.55 hr

• 181,980 hr

• 10,918,800 hr

Is ability to rust a chemical or physical property?

• Chemical

• Physical

Is a substance's melting point a chemical or physical property?

• Chemical

• Physical

When a mixture is evenly distributed and looks the same throughout (like milk), the mixture is said to be

• immiscible

• heterogeneous

• atomic

• homogeneous

During a storm, rainwater depth is measured every 15 minutes. What would be an example of a

control?

• rainwater depth

• time

• location

• graphing data

Which of the following terms describes a substance changing from a liquid into a gas?

• condensation

• deposition

• sublimation

• vaporization