Question 1

How many significant figures are in 43.8001?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 6 
A) 2 
B) 3 
C) 4 
D) 6

Question 2

How many kilograms are in 452 mg?

Accepted Answer

A) 4.52 × 10-7 kg 
B) 4.52 × 10-4 kg 
C) 0.452 kg 
D) 4.52 × 108 kg 
A) 4.52 × 10-7 kg 
B) 4.52 × 10-4 kg 
C) 0.452 kg 
D) 4.52 × 108 kg

Question 3

The distance of the 220-yard race is equivalent to ________ ft.

Accepted Answer

A) 660 
B) 2,640 
C) 7.92 × 103 
D) 73.3 
A) 660 
B) 2,640 
C) 7.92 × 103 
D) 73.3

Question 4

Ethanol has a density that is bout 0.8 g/mL. This means that a certain volume of ethanol will ________.

Accepted Answer

A) weigh more than an equal volume of water 
B) weigh less than an equal volume of water 
C) weigh exactly the same as an equal volume of water 
D) always weigh 0.8 g 
A) weigh more than an equal volume of water 
B) weigh less than an equal volume of water 
C) weigh exactly the same as an equal volume of water 
D) always weigh 0.8 g

Question 5

A person is 6 ft 10 in tall. This is equivalent to ________ m.

Accepted Answer

A) 2.08 m 
B) 2.69 m 
C) 3.22 m 
D) 1.68 m 
A) 2.08 m 
B) 2.69 m 
C) 3.22 m 
D) 1.68 m

Question 6

If the speed limit is 60 mi/hr, its equivalent in km/hr is ________.

Accepted Answer

A) 38 
B) 97 
C) 27 
D) 123 
A) 38 
B) 97 
C) 27 
D) 123

Question 7

The sum for the operation 1.2315 + 0.116 + 15.10 is ________.

Accepted Answer

A) 16 
B) 16.4 
C) 16.45 
D) 16.4475 
A) 16 
B) 16.4 
C) 16.45 
D) 16.4475

Question 8

How many significant digits are there in the number 6046.2?

Accepted Answer

A) 4 
B) 3 
C) 5 
D) 1 
A) 4 
B) 3 
C) 5 
D) 1

Question 9

-40 °C is equivalent to -40 °F.

Accepted Answer

A) True 
 B)False

Question 10

Which one of the following numbers does not have exactly 4 significant figures?

Accepted Answer

A) 1.007 g 
B) 0.0007 g 
C) 1.070 g 
D) 1700. g 
E) 1.700 g 
A) 1.007 g 
B) 0.0007 g 
C) 1.070 g 
D) 1700. g 
E) 1.700 g

Question 11

One Cal of energy used by dieticians and the food industry is equal to 4.18 joules.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is the hottest temperature?

Accepted Answer

A) 90 °C 
B) 104 °F 
C) 353 K 
D) All of the above are the same. 
A) 90 °C 
B) 104 °F 
C) 353 K 
D) All of the above are the same.

Question 13

Oil "floats" on water because oil weighs less than water.

Accepted Answer

A) True 
 B)False

Question 14

2 × 10-3 meters is equal to 2 kilometers.

Accepted Answer

A) True 
 B)False

Question 15

For the final sum of 544.36 + 455.64, the number of significant figures is ________.

Accepted Answer

A) 6 
B) 5 
C) 4 
D) 2 
E) 1 
A) 6 
B) 5 
C) 4 
D) 2 
E) 1

Question 16

Using the rules of significant figures, calculate the following: 14.8903 - 2.14 =

Accepted Answer

A) 12.750 
B) 12.75 
C) 13 
D) 12.7503 
E) 12 
A) 12.750 
B) 12.75 
C) 13 
D) 12.7503 
E) 12

Question 17

Which of the following operations will give an answer of 50.1?

Accepted Answer

A) 29.75 + 20.3 
B) 58.23 - 8.1 
C) 26.255 × 1.91 
D) all of the above 
A) 29.75 + 20.3 
B) 58.23 - 8.1 
C) 26.255 × 1.91 
D) all of the above

Question 18

The correct answer for the product (2.150 × 12.2)is 26.23.

Accepted Answer

A) True 
 B)False

Question 19

40 °C is equal to ________ K.

Accepted Answer

A) 313 
B) 293 
C) 263 
D) 233 
A) 313 
B) 293 
C) 263 
D) 233

Question 20

The correct answer for the operation (5.61 + 7.891 )/ 9.1 is ________.

Accepted Answer

A) 4.86 
B) 4.8646714 
C) 1.5 
D) 5.0 
A) 4.86 
B) 4.8646714 
C) 1.5 
D) 5.0

How many significant figures are in 43.8001?

How many kilograms are in 452 mg?

The distance of the 220-yard race is equivalent to ________ ft.

Ethanol has a density that is bout 0.8 g/mL. This means that a certain volume of ethanol will ________.

A person is 6 ft 10 in tall. This is equivalent to ________ m.

If the speed limit is 60 mi/hr, its equivalent in km/hr is ________.

The sum for the operation 1.2315 + 0.116 + 15.10 is ________.

How many significant digits are there in the number 6046.2?

-40 °C is equivalent to -40 °F.

Which one of the following numbers does not have exactly 4 significant figures?

One Cal of energy used by dieticians and the food industry is equal to 4.18 joules.

Which of the following is the hottest temperature?

Oil "floats" on water because oil weighs less than water.

2 × 10^-³ meters is equal to 2 kilometers.

For the final sum of 544.36 + 455.64, the number of significant figures is ________.

Using the rules of significant figures, calculate the following: 14.8903 - 2.14 =

Which of the following operations will give an answer of 50.1?

The correct answer for the product (2.150 × 12.2)is 26.23.

40 °C is equal to ________ K.

The correct answer for the operation (5.61 + 7.891 )/ 9.1 is ________.

What Is Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 2: The Numerical Side of Chemistry

How many significant figures are in 43.8001?

How many kilograms are in 452 mg?

The distance of the 220-yard race is equivalent to ________ ft.

Ethanol has a density that is bout 0.8 g/mL. This means that a certain volume of ethanol will ________.

A person is 6 ft 10 in tall. This is equivalent to ________ m.

If the speed limit is 60 mi/hr, its equivalent in km/hr is ________.

The sum for the operation 1.2315 + 0.116 + 15.10 is ________.

How many significant digits are there in the number 6046.2?

-40 °C is equivalent to -40 °F.

Which one of the following numbers does not have exactly 4 significant figures?

One Cal of energy used by dieticians and the food industry is equal to 4.18 joules.

Which of the following is the hottest temperature?

Oil "floats" on water because oil weighs less than water.

2 × 10-3 meters is equal to 2 kilometers.

For the final sum of 544.36 + 455.64, the number of significant figures is ________.

Using the rules of significant figures, calculate the following: 14.8903 - 2.14 =

Which of the following operations will give an answer of 50.1?

The correct answer for the product (2.150 × 12.2)is 26.23.

40 °C is equal to ________ K.

The correct answer for the operation (5.61 + 7.891 )/ 9.1 is ________.

What Is Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

2 × 10^-³ meters is equal to 2 kilometers.