Question 1

Which of the following is defined as the quantity of matter in a sample that is independent of where it is measured?

Accepted Answer

A)  weight 
B)  mass 
C)  volume 
D)  both A and B 
A)  weight 
B)  mass 
C)  volume 
D)  both A and B

Question 2

The correct answer in the operation below is ________. (30.004 cm × 14.01 g) / 6.08 cm2

Accepted Answer

A)  69.1375 g/cm 
B)  69.14 g/cm 
C)  69.1 g/cm 
D)  69.138 g/cm 
A)  69.1375 g/cm 
B)  69.14 g/cm 
C)  69.1 g/cm 
D)  69.138 g/cm

Question 3

The number 0.00003007 expressed in scientific notation is ________.

Accepted Answer

A)  3.007 × 10-5 
B)  3.007 × 105 
C)  3.007 
D)  3.007 × 104 
E)  3.7 × 10-5 
A)  3.007 × 10-5 
B)  3.007 × 105 
C)  3.007 
D)  3.007 × 104 
E)  3.7 × 10-5

Question 4

Which of the following is the shortest?

Accepted Answer

A)  18 inches 
B)  0.58 m 
C)  580 mm 
D)  1.9 ft 
A)  18 inches 
B)  0.58 m 
C)  580 mm 
D)  1.9 ft

Question 5

Match each unit  with another unit of the same physical measurement.
-quart

Accepted Answer

A) joule 
B) lb/qt 
C) °C 
D) gallon 
E) km
F)lb 
A) joule 
B) lb/qt 
C) °C 
D) gallon 
E) km
F)lb

Question 6

Which of the following does not measure temperature?

Accepted Answer

A)  °C 
B)  °F 
C)  K 
D)  J 
A)  °C 
B)  °F 
C)  K 
D)  J

Question 7

Which of the following represents an estimated measurement?

Accepted Answer

A)  A calendar week has 7 days. 
B)  The U.S. national debt is 6 trillion dollars. 
C)  There are 50 states in the United States of America. 
D)  My bank account contains 19 dollars and 26 cents. 
A)  A calendar week has 7 days. 
B)  The U.S. national debt is 6 trillion dollars. 
C)  There are 50 states in the United States of America. 
D)  My bank account contains 19 dollars and 26 cents.

Question 8

Which is not a derived SI unit?

Accepted Answer

A)  Pa 
B)  J 
C)  C 
D)  s 
A)  Pa 
B)  J 
C)  C 
D)  s

Question 9

Match the exponentials with there prefix .
-nano-

Accepted Answer

A) 10+3 
B) 10-1 
C) 10+9 
D) 10-12 
E) 10-3
F)10+6
G)10-6
H)10-9
I)10-2 
A) 10+3 
B) 10-1 
C) 10+9 
D) 10-12 
E) 10-3
F)10+6
G)10-6
H)10-9
I)10-2

Question 10

Match the correct scientific notation  with their standard notation
-15.70

Accepted Answer

A) 1.570 x 100 
B) 1.570 x 101 
C) 1.570 x 10-3 
D) 1.570 x 10-2 
A) 1.570 x 100 
B) 1.570 x 101 
C) 1.570 x 10-3 
D) 1.570 x 10-2

Question 11

Convert 16.8 meters to: 
a) millimeters, 
b) centimeters, 
c) kilometers.

Accepted Answer

a) 16,800

Question 12

Match the  units  with there measurement from the folowing.
-K

Accepted Answer

A) time 
B) energy 
C) electrical charge 
D) mass 
E) length
F)volume
G)temperature
H)density 
A) time 
B) energy 
C) electrical charge 
D) mass 
E) length
F)volume
G)temperature
H)density

Question 13

The prefix pico- indicates one billionth.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following numbers expresses the value 2600. calories with both the correct units and proper scientific notation?

Accepted Answer

A)  2.6 × 104 kcal 
B)  2.600 × 103 cal 
C)  2.60 × 103 mcal 
D)  26 × 102 dcal 
A)  2.6 × 104 kcal 
B)  2.600 × 103 cal 
C)  2.60 × 103 mcal 
D)  26 × 102 dcal

Question 15

A substance that may be a good heat conductor usually has a low value for specific heat.

Accepted Answer

A) True 
 B)False

Question 16

40 °C is equivalent to 40 °F.

Accepted Answer

A) True 
 B)False

Question 17

What is the density of a piece of wood that weighs 62 grams and displaces 0.525 L of water?

Accepted Answer

A)  120 g/mL 
B)  0.12 g/mL 
C)  0.0080 g/mL 
D)  8.5 g/mL 
A)  120 g/mL 
B)  0.12 g/mL 
C)  0.0080 g/mL 
D)  8.5 g/mL

Question 18

The number 0.0040600 has ________ trailing zeros.

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  6 
A)  0 
B)  1 
C)  2 
D)  6

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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

Which of the following is defined as the quantity of matter in a sample that is independent of where it is measured?

The correct answer in the operation below is ________. (30.004 cm × 14.01 g) / 6.08 cm²

The number 0.00003007 expressed in scientific notation is ________.

Which of the following is the shortest?

Match each unit with another unit of the same physical measurement. -quart

Which of the following does not measure temperature?

Which of the following represents an estimated measurement?

Which is not a derived SI unit?

Match the exponentials with there prefix . -nano-

Match the correct scientific notation with their standard notation -15.70

Convert 16.8 meters to: a) millimeters, b) centimeters, c) kilometers.

Match the units with there measurement from the folowing. -K

The prefix pico- indicates one billionth.

Which of the following numbers expresses the value 2600. calories with both the correct units and proper scientific notation?

A substance that may be a good heat conductor usually has a low value for specific heat.

40 °C is equivalent to 40 °F.

What is the density of a piece of wood that weighs 62 grams and displaces 0.525 L of water?

The number 0.0040600 has ________ trailing zeros.

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

How many significant figures are in 43.8001?

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

Which of the following is defined as the quantity of matter in a sample that is independent of where it is measured?

The correct answer in the operation below is ________. (30.004 cm × 14.01 g) / 6.08 cm2

The number 0.00003007 expressed in scientific notation is ________.

Which of the following is the shortest?

Match each unit with another unit of the same physical measurement. -quart

Which of the following does not measure temperature?

Which of the following represents an estimated measurement?

Which is not a derived SI unit?

Match the exponentials with there prefix . -nano-

Match the correct scientific notation with their standard notation -15.70

Convert 16.8 meters to: a) millimeters, b) centimeters, c) kilometers.

Match the units with there measurement from the folowing. -K

The prefix pico- indicates one billionth.

Which of the following numbers expresses the value 2600. calories with both the correct units and proper scientific notation?

A substance that may be a good heat conductor usually has a low value for specific heat.

40 °C is equivalent to 40 °F.

What is the density of a piece of wood that weighs 62 grams and displaces 0.525 L of water?

The number 0.0040600 has ________ trailing zeros.

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

How many significant figures are in 43.8001?

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

The correct answer in the operation below is ________. (30.004 cm × 14.01 g) / 6.08 cm²