Question 1

The correct number of significant figures in the number 4.0 × 10-2 is:

Accepted Answer

A) 1 
B) 2 
C) 3 
D) ambiguous. 
E) none of the above 
A) 1 
B) 2 
C) 3 
D) ambiguous. 
E) none of the above

Question 2

Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.

Accepted Answer

A) True 
 B)False

Question 3

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm3.If this rod is cut in half,the density of each piece is now 5.7 g/cm3.

Accepted Answer

A) True 
 B)False

Question 4

When the value 4.449 is rounded to two significant figures,the number should be reported as:

Accepted Answer

A) 4.4 
B) 4.5 
C) 4.44 
D) 4.45 
E) none of the above 
A) 4.4 
B) 4.5 
C) 4.44 
D) 4.45 
E) none of the above

Question 5

In multiplication or division calculations,the answer will have the same number of decimal places as the number carrying the most decimal places.

Accepted Answer

A) True 
 B)False

Question 6

The typical problem-solving procedure involves four steps in the order:

Accepted Answer

A) sort,strategize,solve,check. 
B) strategize,solve,sort,check. 
C) check,strategize,sort,solve. 
D) solve,sort,check,strategize. 
A) sort,strategize,solve,check. 
B) strategize,solve,sort,check. 
C) check,strategize,sort,solve. 
D) solve,sort,check,strategize.

Question 7

How many cm3 are there in 1.25 ft3?

Accepted Answer

A) 38.1 
B) 5.49 × 103 
C) 246 
D) 3.54 × 104 
E) none of the above 
A) 38.1 
B) 5.49 × 103 
C) 246 
D) 3.54 × 104 
E) none of the above

Question 8

What is the density (g/mL)of an object that has a mass of 14.01 grams and,when placed into a graduated cylinder,causes the water level to rise from 25.2 mL to 33.6 mL?

Accepted Answer

A) 0.60 
B) 1.7 
C) 1.8 
D) 2.4 
E) none of the above 
A) 0.60 
B) 1.7 
C) 1.8 
D) 2.4 
E) none of the above

Question 9

If you are given the mass and density of an object,you can calculate the volume by using the equation:
V = m/d.

Accepted Answer

A) True 
 B)False

Question 10

The decimal value 10 is equal to which exponential?

Accepted Answer

A)    
B)    
C)    
D)    
E) none of the above 
A)    
B)    
C)    
D)    
E) none of the above

Question 11

The number 0.010100 has five significant figures.

Accepted Answer

A) True 
 B)False

Question 12

The decimal number 0.0000010 expressed in scientific notation is 1.0 × 106.

Accepted Answer

A) True 
 B)False

Question 13

The correct number of significant figures in the number 1.250100 is:

Accepted Answer

A) 5 
B) 7 
C) 4 
D) ambiguous 
E) none of the above 
A) 5 
B) 7 
C) 4 
D) ambiguous 
E) none of the above

Question 14

A solution map is the section near the back of the textbook that provides the answers to assigned problems.

Accepted Answer

A) True 
 B)False

Question 15

How many milliliters are in 17.5 L?

Accepted Answer

A) 175 
B) 1.75 × 10-2 
C) 1.75 × 103 
D) 1.75 × 104 
E) none of the above 
A) 175 
B) 1.75 × 10-2 
C) 1.75 × 103 
D) 1.75 × 104 
E) none of the above

Question 16

The correct prefix for the multiplier 1,000,000,000 is:

Accepted Answer

A) mega. 
B) milli. 
C) tera. 
D) giga. 
E) none of the above 
A) mega. 
B) milli. 
C) tera. 
D) giga. 
E) none of the above

Question 17

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd3?

Accepted Answer

A) 178 
B) 59.3 
C) 1.60 × 103 
D) 533 
E) none of the above 
A) 178 
B) 59.3 
C) 1.60 × 103 
D) 533 
E) none of the above

Question 18

The correct prefix for the multiplier 100 is:

Accepted Answer

A) mega. 
B) hecto. 
C) centi. 
D) nano. 
E) none of the above 
A) mega. 
B) hecto. 
C) centi. 
D) nano. 
E) none of the above

Question 19

Numbers are usually written so that the uncertainty is in the last reported digit.

Accepted Answer

A) True 
 B)False

Question 20

A nine gigagram mass is heavier than a nine nanogram mass.

Accepted Answer

A) True 
 B)False

The correct number of significant figures in the number 4.0 × 10^-2 is:

Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm³.If this rod is cut in half,the density of each piece is now 5.7 g/cm³.

When the value 4.449 is rounded to two significant figures,the number should be reported as:

In multiplication or division calculations,the answer will have the same number of decimal places as the number carrying the most decimal places.

The typical problem-solving procedure involves four steps in the order:

How many cm³ are there in 1.25 ft³?

What is the density (g/mL)of an object that has a mass of 14.01 grams and,when placed into a graduated cylinder,causes the water level to rise from 25.2 mL to 33.6 mL?

If you are given the mass and density of an object,you can calculate the volume by using the equation: V = m/d.

The decimal value 10 is equal to which exponential?

The number 0.010100 has five significant figures.

The decimal number 0.0000010 expressed in scientific notation is 1.0 × 10⁶.

The correct number of significant figures in the number 1.250100 is:

A solution map is the section near the back of the textbook that provides the answers to assigned problems.

How many milliliters are in 17.5 L?

The correct prefix for the multiplier 1,000,000,000 is:

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd³?

The correct prefix for the multiplier 100 is:

Numbers are usually written so that the uncertainty is in the last reported digit.

A nine gigagram mass is heavier than a nine nanogram mass.

The Chemical World

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 2: Measurement and Problem Solving

The correct number of significant figures in the number 4.0 × 10-2 is:

Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm3.If this rod is cut in half,the density of each piece is now 5.7 g/cm3.

When the value 4.449 is rounded to two significant figures,the number should be reported as:

In multiplication or division calculations,the answer will have the same number of decimal places as the number carrying the most decimal places.

The typical problem-solving procedure involves four steps in the order:

How many cm3 are there in 1.25 ft3?

What is the density (g/mL)of an object that has a mass of 14.01 grams and,when placed into a graduated cylinder,causes the water level to rise from 25.2 mL to 33.6 mL?

If you are given the mass and density of an object,you can calculate the volume by using the equation: V = m/d.

The decimal value 10 is equal to which exponential?

The number 0.010100 has five significant figures.

The decimal number 0.0000010 expressed in scientific notation is 1.0 × 106.

The correct number of significant figures in the number 1.250100 is:

A solution map is the section near the back of the textbook that provides the answers to assigned problems.

How many milliliters are in 17.5 L?

The correct prefix for the multiplier 1,000,000,000 is:

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd3?

The correct prefix for the multiplier 100 is:

Numbers are usually written so that the uncertainty is in the last reported digit.

A nine gigagram mass is heavier than a nine nanogram mass.

The Chemical World

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

The correct number of significant figures in the number 4.0 × 10^-2 is:

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm³.If this rod is cut in half,the density of each piece is now 5.7 g/cm³.

How many cm³ are there in 1.25 ft³?

The decimal number 0.0000010 expressed in scientific notation is 1.0 × 10⁶.

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd³?