Question 1

Which number contains four significant figures?

Accepted Answer

A) 3.978 
B) 0.780 
C) 0.0085 
D) 1700 
E) Two or more of the numbers contain four significant figures. 
A) 3.978 
B) 0.780 
C) 0.0085 
D) 1700 
E) Two or more of the numbers contain four significant figures.

Question 2

The number 900,027,300 has four significant figures.

Accepted Answer

A) True 
 B)False

Question 3

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

Accepted Answer

A) 85.32 g 
B) 82.83 g 
C) 82.8 g 
D) 87.88 g 
E) 87.9 g 
A) 85.32 g 
B) 82.83 g 
C) 82.8 g 
D) 87.88 g 
E) 87.9 g

Question 4

Which number is the largest?

Accepted Answer

A) 4.38 × 103 
B) 4.38 × 102 
C) 4.38 × 10-3 
D) 4.38 × 10-2 
E) 438 
A) 4.38 × 103 
B) 4.38 × 102 
C) 4.38 × 10-3 
D) 4.38 × 10-2 
E) 438

Question 5

Which volume is equivalent to 225 mL?

Accepted Answer

A) 2.25 × 105 μL 
B) 2.25 × 102 μL 
C) 2.25 L 
D) 2.25 × 10-5 μL 
E) 0.225 μL 
A) 2.25 × 105 μL 
B) 2.25 × 102 μL 
C) 2.25 L 
D) 2.25 × 10-5 μL 
E) 0.225 μL

Question 6

Which is the proper conversion factor for converting a mass expressed in pounds (lb)to the same mass expressed in grams (g)?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 7

Carry out the following calculation and report the answer using the proper number of significant figures: 549.101 + 8.12 + 95.0076 - 651.9

Accepted Answer

A) 3.286 
B) 0.3286 
C) 0.33 
D) 0.3 
E) 1268.1 
A) 3.286 
B) 0.3286 
C) 0.33 
D) 0.3 
E) 1268.1

Question 8

If a tree is 89.5 cm tall,what is the tree's height expressed in yards?

Accepted Answer

A) 0.979 yd 
B) 6.31 yd 
C) 18.9 yd 
D) 35.2 yd 
E) 227 yd 
A) 0.979 yd 
B) 6.31 yd 
C) 18.9 yd 
D) 35.2 yd 
E) 227 yd

Question 9

Specific gravity is a quantity that compares the density of a substance with the density of water.

Accepted Answer

A) True 
 B)False

Question 10

Which choice describes the behavior of a solid?

Accepted Answer

A) A solid has a definite volume,and maintains its shape in any container. 
B) A solid has a definite volume,but takes on the shape of its container. 
C) A solid has no definite shape or volume. 
D) None of the above. 
A) A solid has a definite volume,and maintains its shape in any container. 
B) A solid has a definite volume,but takes on the shape of its container. 
C) A solid has no definite shape or volume. 
D) None of the above.

Question 11

Which of the following conversions is correct and expresses the answer using the proper number of significant figures?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

One-thousand (1,000)ms is the same length of time as one (1)μs.

Accepted Answer

A) True 
 B)False

Question 13

Carry out the following calculation and report the answer using the proper number of significant figures:

Accepted Answer

A) 31.0185 ft/s 
B) 31.01 ft/s 
C) 31.02 ft/s 
D) 31.0 ft/s 
E) 31 ft/s 
A) 31.0185 ft/s 
B) 31.01 ft/s 
C) 31.02 ft/s 
D) 31.0 ft/s 
E) 31 ft/s

Question 14

One Kelvin is the same size as one degree Celsius.

Accepted Answer

A) True 
 B)False

Question 15

Which is NOT an example of a pure substance?

Accepted Answer

A) Sugar 
B) Air 
C) Aluminum foil 
D) Water 
E) A block of dry ice 
A) Sugar 
B) Air 
C) Aluminum foil 
D) Water 
E) A block of dry ice

Question 16

The base unit for mass in the metric system is kilograms (kg).

Accepted Answer

A) True 
 B)False

Question 17

The base unit for volume in the metric system is liter (L).

Accepted Answer

A) True 
 B)False

Question 18

8 mL is larger than 8 dL.

Accepted Answer

A) True 
 B)False

Question 19

If a balloon has a volume of 21.6 cups,what is the volume of this balloon expressed in L?

Accepted Answer

A) 86.4 L 
B) 81.51 L 
C) 5.72 L 
D) 5.094 L 
E) 5.09 L 
A) 86.4 L 
B) 81.51 L 
C) 5.72 L 
D) 5.094 L 
E) 5.09 L

Question 20

The temperature 60 °C is higher than 60 K.

Accepted Answer

A) True 
 B)False

Exam 1: Matter and Measurement

Which number contains four significant figures?

The number 900,027,300 has four significant figures.

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

Which number is the largest?

Which volume is equivalent to 225 mL?

Which is the proper conversion factor for converting a mass expressed in pounds (lb)to the same mass expressed in grams (g)?

Carry out the following calculation and report the answer using the proper number of significant figures: 549.101 + 8.12 + 95.0076 - 651.9

If a tree is 89.5 cm tall,what is the tree's height expressed in yards?

Specific gravity is a quantity that compares the density of a substance with the density of water.

Which choice describes the behavior of a solid?

Which of the following conversions is correct and expresses the answer using the proper number of significant figures?

One-thousand (1,000)ms is the same length of time as one (1)μs.

Carry out the following calculation and report the answer using the proper number of significant figures:

One Kelvin is the same size as one degree Celsius.

Which is NOT an example of a pure substance?

The base unit for mass in the metric system is kilograms (kg).

The base unit for volume in the metric system is liter (L).

8 mL is larger than 8 dL.

If a balloon has a volume of 21.6 cups,what is the volume of this balloon expressed in L?

The temperature 60 °C is higher than 60 K.

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters