Question 1

How many significant figures are present in 0.00123, 7000, and 1.519 × 10-2?

Accepted Answer

A)  6, 4, 4 
B)  4, 1, 1 
C)  7, 1, 4 
D)  3, 1, 4 
A)  6, 4, 4 
B)  4, 1, 1 
C)  7, 1, 4 
D)  3, 1, 4 D

Question 2

Match the exponentials with there prefix .
-centi-

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 I

Question 3

Temperature changes that may be used for energy difference calculations are measured through a bomb calorimeter.

Accepted Answer

A) True 
 B)False  True

Question 4

Precision refers to how close the measured result is to the true value.

Accepted Answer

A) True 
 B)False

Question 5

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

Question 6

What is the Greek prefix and abbreviation which signifies one thousand?

Accepted Answer

The answer of What is the Greek prefix and abbreviation...

Question 7

The Fahrenheit temperature is always numerically higher than the equivalent Celsius temperature.

Accepted Answer

A) True 
 B)False

Question 8

Match each temperature with there equivalent different scale temperature .
-20. °C

Accepted Answer

A) 0. °C 
B) 280 K 
C) 68 °F 
D) 100. °C 
E) -40 °F
F)32 °F
G)98.6 °F
H)-273 °C
I)-17.8 °C 
A) 0. °C 
B) 280 K 
C) 68 °F 
D) 100. °C 
E) -40 °F
F)32 °F
G)98.6 °F
H)-273 °C
I)-17.8 °C

Question 9

Convert 65 °F, a cool summer's daytime temperature, to:
a) degrees Celsius.
b) absolute temperature (Kelvin).

Accepted Answer

The answer of Convert 65 °F, a cool summer's daytime...

Question 10

Choose the number  that correctly fills the blank in each item .
-One cal is equal to ________ J.

Accepted Answer

A) 36 
B) 0.556 
C) 454 
D) 8 
E) 1,000,000
F)1,000
G)1
H)2.54
I)4.184
J)16 
A) 36 
B) 0.556 
C) 454 
D) 8 
E) 1,000,000
F)1,000
G)1
H)2.54
I)4.184
J)16

Question 11

There are 4 pints in a gallon.

Accepted Answer

A) True 
 B)False

Question 12

Match the correct scientific notation  with their standard notation
-0.01570

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 13

5 gallons is equal to ________ quarts.

Accepted Answer

A)  5 
B)  10 
C)  20 
D)  40 
A)  5 
B)  10 
C)  20 
D)  40

Question 14

Which of the following is not an SI unit that is used in chemistry?

Accepted Answer

A)  s 
B)  K 
C)  kg 
D)  quart 
A)  s 
B)  K 
C)  kg 
D)  quart

Question 15

For the measured value 6.73 pounds, what is the degree of uncertainty?

Accepted Answer

A)  +/- 10 pounds 
B)  +/- 1 pound 
C)  +/- 0.1 pound 
D)  +/- 0.01 pound 
A)  +/- 10 pounds 
B)  +/- 1 pound 
C)  +/- 0.1 pound 
D)  +/- 0.01 pound

Question 16

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 17

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 18

Which of the following is not a conversion factor?

Accepted Answer

A)  speed 
B)  density 
C)  energy 
D)  specific heat 
A)  speed 
B)  density 
C)  energy 
D)  specific heat

Question 19

The prefix micro- indicates one millionth.

Accepted Answer

A) True 
 B)False

Question 20

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

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

How many significant figures are present in 0.00123, 7000, and 1.519 × 10^-2?

Match the exponentials with there prefix . -centi-

Temperature changes that may be used for energy difference calculations are measured through a bomb calorimeter.

Precision refers to how close the measured result is to the true value.

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

What is the Greek prefix and abbreviation which signifies one thousand?

The Fahrenheit temperature is always numerically higher than the equivalent Celsius temperature.

Match each temperature with there equivalent different scale temperature . -20. °C

Convert 65 °F, a cool summer's daytime temperature, to: a) degrees Celsius. b) absolute temperature (Kelvin).

Choose the number that correctly fills the blank in each item . -One cal is equal to ________ J.

There are 4 pints in a gallon.

Match the correct scientific notation with their standard notation -0.01570

5 gallons is equal to ________ quarts.

Which of the following is not an SI unit that is used in chemistry?

For the measured value 6.73 pounds, what is the degree of uncertainty?

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

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

Which of the following is not a conversion factor?

The prefix micro- indicates one millionth.

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

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 present in 0.00123, 7000, and 1.519 × 10-2?

Match the exponentials with there prefix . -centi-

Temperature changes that may be used for energy difference calculations are measured through a bomb calorimeter.

Precision refers to how close the measured result is to the true value.

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

What is the Greek prefix and abbreviation which signifies one thousand?

The Fahrenheit temperature is always numerically higher than the equivalent Celsius temperature.

Match each temperature with there equivalent different scale temperature . -20. °C

Convert 65 °F, a cool summer's daytime temperature, to: a) degrees Celsius. b) absolute temperature (Kelvin).

Choose the number that correctly fills the blank in each item . -One cal is equal to ________ J.

There are 4 pints in a gallon.

Match the correct scientific notation with their standard notation -0.01570

5 gallons is equal to ________ quarts.

Which of the following is not an SI unit that is used in chemistry?

For the measured value 6.73 pounds, what is the degree of uncertainty?

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

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

Which of the following is not a conversion factor?

The prefix micro- indicates one millionth.

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

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

How many significant figures are present in 0.00123, 7000, and 1.519 × 10^-2?