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

Zeros located after a number and after a decimal point are significant.

Accepted Answer

A) True 
 B)False

Question 3

You do not need to write units in calculations as long as you can remember them.

Accepted Answer

A) True 
 B)False

Question 4

The Olympic Games shot put field event uses a 16 pound (lb)shot.Identify the correct solution map to convert from pounds to kilograms using prefix multipliers and the given conversions of  
And  
.

Accepted Answer

A) 16 lb ×  
×
  
×
   
B) 16 lb ×  
×
  
×
   
C) 16 lb ×  
×
  
×
   
D) 16 lb ×  
×
  
×
   
A) 16 lb ×  
×
  
×
   
B) 16 lb ×  
×
  
×
   
C) 16 lb ×  
×
  
×
   
D) 16 lb ×  
×
  
×

Question 5

Suppose a thermometer has marks at every one degree increment and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks.We should properly report the temperature measurement as:

Accepted Answer

A) 25°C 
B) 26°C 
C) 25.5°C 
D) 25.50°C 
E) 25.55°C 
A) 25°C 
B) 26°C 
C) 25.5°C 
D) 25.50°C 
E) 25.55°C

Question 6

How many significant digits should be reported in the answer to the following calculation?
(4.3 - 3.7)× 12.3 =

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above 
A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above

Question 7

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 8

An American nickel five cent coin has a mass of approximately 5 grams.Five grams is equivalent to which term?

Accepted Answer

A) 5000 kilograms 
B) 5000 milligrams 
C) 50 centigrams 
D) 5000 micrograms 
E) none of the above 
A) 5000 kilograms 
B) 5000 milligrams 
C) 50 centigrams 
D) 5000 micrograms 
E) none of the above

Question 9

The decimal value 0.01 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 10

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

Accepted Answer

A) True 
 B)False

Question 11

The number 4,450,000.0 has 3 significant figures.

Accepted Answer

A) True 
 B)False

Question 12

The number 7.20 × 103 contains three significant figures.

Accepted Answer

A) True 
 B)False

Question 13

The density of iron is 7.86 g/cm3 while the density of lead is 11.4 g/cm3.If you had one cm3 of each metal,the piece of iron would have a greater mass.

Accepted Answer

A) True 
 B)False

Question 14

Which term below is equivalent to one milliliter?

Accepted Answer

A) 1 cc 
B) 1 mL 
C) 1 cm3 
D) all of the above 
E) none of the above 
A) 1 cc 
B) 1 mL 
C) 1 cm3 
D) all of the above 
E) none of the above

Question 15

How many inches are in 2.80 ft?

Accepted Answer

A) 34 
B) 33.6 
C) 0.233 
D) 4.29 
E) none of the above 
A) 34 
B) 33.6 
C) 0.233 
D) 4.29 
E) none of the above

Question 16

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 17

The base unit of length in the SI system is the cm.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following would NOT be considered a correct conversion factor?

Accepted Answer

A) 1 dozen eggs = 12 eggs 
B) 12 eggs = 1 dozen eggs 
C) 1 pair of shoes = 1 shoe 
D) 100 pennies = 1 dollar 
E) 5 cents = 1 nickel 
A) 1 dozen eggs = 12 eggs 
B) 12 eggs = 1 dozen eggs 
C) 1 pair of shoes = 1 shoe 
D) 100 pennies = 1 dollar 
E) 5 cents = 1 nickel

Question 19

Determine the answer to the following equation with correct number of significant figures:
106 ÷ 9.02 × 1.9 = ________

Accepted Answer

A) 22.32816 
B) 22.328 
C) 22.3 
D) 22 
E) none of the above 
A) 22.32816 
B) 22.328 
C) 22.3 
D) 22 
E) none of the above

Question 20

The correct decimal representation of 6.453 × 103 is:

Accepted Answer

A) 6,453 
B) 0.006453 
C) 6.5 × 103 
D) 6.453 
E) none of the above 
A) 6,453 
B) 0.006453 
C) 6.5 × 103 
D) 6.453 
E) none of the above

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

Zeros located after a number and after a decimal point are significant.

You do not need to write units in calculations as long as you can remember them.

The Olympic Games shot put field event uses a 16 pound (lb)shot.Identify the correct solution map to convert from pounds to kilograms using prefix multipliers and the given conversions of And .

Suppose a thermometer has marks at every one degree increment and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks.We should properly report the temperature measurement as:

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7)× 12.3 =

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

An American nickel five cent coin has a mass of approximately 5 grams.Five grams is equivalent to which term?

The decimal value 0.01 is equal to which exponential?

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

The number 4,450,000.0 has 3 significant figures.

The number 7.20 × 10³ contains three significant figures.

The density of iron is 7.86 g/cm³while the density of lead is 11.4 g/cm³.If you had one cm³ of each metal,the piece of iron would have a greater mass.

Which term below is equivalent to one milliliter?

How many inches are in 2.80 ft?

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?

The base unit of length in the SI system is the cm.

Which of the following would NOT be considered a correct conversion factor?

Determine the answer to the following equation with correct number of significant figures: 106 ÷ 9.02 × 1.9 = ________

The correct decimal representation of 6.453 × 10³ is:

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:

Zeros located after a number and after a decimal point are significant.

You do not need to write units in calculations as long as you can remember them.

The Olympic Games shot put field event uses a 16 pound (lb)shot.Identify the correct solution map to convert from pounds to kilograms using prefix multipliers and the given conversions of And .

Suppose a thermometer has marks at every one degree increment and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks.We should properly report the temperature measurement as:

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7)× 12.3 =

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

An American nickel five cent coin has a mass of approximately 5 grams.Five grams is equivalent to which term?

The decimal value 0.01 is equal to which exponential?

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

The number 4,450,000.0 has 3 significant figures.

The number 7.20 × 103 contains three significant figures.

The density of iron is 7.86 g/cm3 while the density of lead is 11.4 g/cm3.If you had one cm3 of each metal,the piece of iron would have a greater mass.

Which term below is equivalent to one milliliter?

How many inches are in 2.80 ft?

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?

The base unit of length in the SI system is the cm.

Which of the following would NOT be considered a correct conversion factor?

Determine the answer to the following equation with correct number of significant figures: 106 ÷ 9.02 × 1.9 = ________

The correct decimal representation of 6.453 × 103 is:

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:

The number 7.20 × 10³ contains three significant figures.

The density of iron is 7.86 g/cm³while the density of lead is 11.4 g/cm³.If you had one cm³ of each metal,the piece of iron would have a greater mass.

The correct decimal representation of 6.453 × 10³ is: