Question 1

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 A

Question 2

On an autumn day in Washington, DC the outdoor temperature was 21 °C. What was this outdoor temperature in °F?

Accepted Answer

A) 44 °F 
B) 57 °F 
C) 69 °F 
D) 70 °F 
A) 44 °F 
B) 57 °F 
C) 69 °F 
D) 70 °F D

Question 3

What is the correct metric relationship between milliliters and microliters?

Accepted Answer

A) 1 milliliter = 1 microliter 
B) 1, 000 milliliters = 1 microliter 
C) 1 milliliter = 1, 000 microliters 
D) 1, 000, 000 milliliters = 1 microliter 
E) 1 milliliter = 1, 000, 000 microliters 
A) 1 milliliter = 1 microliter 
B) 1, 000 milliliters = 1 microliter 
C) 1 milliliter = 1, 000 microliters 
D) 1, 000, 000 milliliters = 1 microliter 
E) 1 milliliter = 1, 000, 000 microliters C

Question 4

The measurement 5342 nm is the same length as _____ cm, written in scientific notation.

Accepted Answer

The answer of The measurement 5342 nm is the same...

Question 5

To use conversion factors to solve a problem, set up the problem with any unwanted unit in the numerator of one term and the _____ of another term, so that unwanted units cancel.

Accepted Answer

The answer of To use conversion factors to solve a...

Question 6

A hiker with hypothermia has a body temperature of 82 °F. What is his body temperature in °C?

Accepted Answer

A) 14 °C 
B) 28 °C 
C) 31 °C 
D) 50 °C 
A) 14 °C 
B) 28 °C 
C) 31 °C 
D) 50 °C

Question 7

In reading a number with a decimal point from left to right, all digits starting with the first nonzero number are significant figures.

Accepted Answer

A) True 
 B)False

Question 8

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 9

An inexact number results from a measurement or observation and contains some uncertainty.

Accepted Answer

A) True 
 B)False

Question 10

If the density of a substance is greater than 1 g/mL, the mass of a sample of this substance will be greater than the volume of the sample.

Accepted Answer

A) True 
 B)False

Question 11

A zero counts as a significant figure when it occurs at the end of a number that contains a decimal point.

Accepted Answer

A) True 
 B)False

Question 12

The temperature 60 °C is higher than 60 °F.

Accepted Answer

A) True 
 B)False

Question 13

The temperature -60 °C is higher than -60 °F.

Accepted Answer

A) True 
 B)False

Question 14

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 15

If you have equal masses of two different substances (A and B), and the density of A is twice the density of B, then the volume of A is _____ the volume of B.

Accepted Answer

The answer of If you have equal masses of two...

Question 16

The number 0.0035880 expressed correctly using scientific notation is

Accepted Answer

A) 0.0035889 
B) 3.5880 × 103 
C) 3.5880 × 10-3 
D) 3.5880 × 10-4 
E) 3.588 × 10-3 
A) 0.0035889 
B) 3.5880 × 103 
C) 3.5880 × 10-3 
D) 3.5880 × 10-4 
E) 3.588 × 10-3

Question 17

The temperature 60 °C is higher than 60 K.

Accepted Answer

A) True 
 B)False

Question 18

The measurement 0.030500 m has _____ significant figures.

Accepted Answer

The answer of The measurement 0.030500 m has _____ significant...

Question 19

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 20

When 5.5490× 108 is correctly rounded to three significant figures the number becomes

Accepted Answer

A) 5.55 
B) 5.55 × 108 
C) 555 
D) 554 
E) 5.54 × 108 
A) 5.55 
B) 5.55 × 108 
C) 555 
D) 554 
E) 5.54 × 108

Exam 1: Matter and Measurement

Which number is the largest?

On an autumn day in Washington, DC the outdoor temperature was 21 °C. What was this outdoor temperature in °F?

What is the correct metric relationship between milliliters and microliters?

The measurement 5342 nm is the same length as _____ cm, written in scientific notation.

To use conversion factors to solve a problem, set up the problem with any unwanted unit in the numerator of one term and the _____ of another term, so that unwanted units cancel.

A hiker with hypothermia has a body temperature of 82 °F. What is his body temperature in °C?

In reading a number with a decimal point from left to right, all digits starting with the first nonzero number are significant figures.

Which is not an example of a pure substance?

An inexact number results from a measurement or observation and contains some uncertainty.

If the density of a substance is greater than 1 g/mL, the mass of a sample of this substance will be greater than the volume of the sample.

A zero counts as a significant figure when it occurs at the end of a number that contains a decimal point.

The temperature 60 °C is higher than 60 °F.

The temperature -60 °C is higher than -60 °F.

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

If you have equal masses of two different substances (A and B), and the density of A is twice the density of B, then the volume of A is _____ the volume of B.

The number 0.0035880 expressed correctly using scientific notation is

The temperature 60 °C is higher than 60 K.

The measurement 0.030500 m has _____ significant figures.

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

When 5.5490× 108 is correctly rounded to three significant figures the number becomes

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

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

When 5.5490× 10⁸ is correctly rounded to three significant figures the number becomes