Chapter 1- Introduction to Chemistry

Which of the following lists metric prefixes in order from largest to smallest?

• A) kilo-, centi-, deci-, milli

• B) kilo-, deci-, centi-, milli-

• C) milli-, centi-, deci-, kilo-

• D) centi-, kilo-, milli-, deci-

• E) deci-, milli-, centi-, kilo-

Consider the following image of two buret measurements, the initial and final readings. What is the total volume of liquid delivered in mL?

• 16.77 mL

• 16.9 mL

• 16.5 mL

• 16.83 mL

The answer to the calculation below with the correct number of significant figures is

• 21.2

• 21.20

• 21

• 21.201

A cubic block of concrete is 0.245 meters on a side. What is the volume of this block in cubic decimeters?

• 13.2 dm³

• 15.9 dm³

• 14.7 dm³

• 11.8 dm³

A temperature of 103 °F or higher is considered a medical emergency. Patient A comes in with a temperature of 38 °C. Patient B comes in with a temperature of 313 K. Is either patient having a medical emergency?

• Yes, Patient A only

• Yes, Patient B only

• Yes, both patients

• No, neither patient

• Not enough information to determine

The number 0.000741 written in scientific notation would be

• 7.41 x 10⁴

• 7.41 x 10^-4

• 7.41 x 10³

• 7.41 x 10^-3

What is the volume in liters of water that would be required to fill an aquarium that is 20.0 in wide, 36.0 in long, and 25.1 in deep?

• 245 L

• 296 L

• 270 L

• 230 L

If the density of a piece of high density polyurethane is 1.05 g/cm³, will the item float or sink in pure water?

• Sink

• Float

A can of caffeinated seltzer contains 30.5 mg of caffeine. What is the mass in grams of the caffeine contained in 6 cans of this seltzer?

• 1 g

• 0.183 g

• .2 g

A chemist's morning commute is 40.2 kilometers. Given an average speed of 55.5 mph, how many minutes will it take him to arrive at work?

• 26.0 min

• 20.0 min

• 25.0 min

• 27.0 min