Question 1

Identify the exact number.

Accepted Answer

A)  a number of coins 
B)  the diameter of a coin 
C)  the radius of a coin 
D)  the mass of a coin 
A)  a number of coins 
B)  the diameter of a coin 
C)  the radius of a coin 
D)  the mass of a coin

Question 2

Specific heat may be measured as cal. g/°C.

Accepted Answer

A) True 
 B)False

Question 3

When adding or subtracting measured numbers, the answer contains no more significant figures than the number with the least number of significant figures being added or subtracted.

Accepted Answer

A) True 
 B)False

Question 4

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

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 5

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 6

One week contains 604,800 seconds.

Accepted Answer

A) True 
 B)False

Question 7

Which statement is true?

Accepted Answer

A)  1 mm = 0.0394 in. 
B)  1 cm3 = 1 mL 
C)  1 g = 0.0022 lb 
D)  All of the above are true. 
A)  1 mm = 0.0394 in. 
B)  1 cm3 = 1 mL 
C)  1 g = 0.0022 lb 
D)  All of the above are true.

Question 8

When determining the number of significant figures in a number, leading zeros are not significant.

Accepted Answer

A) True 
 B)False

Question 9

Density units may be in lb/ gallon.

Accepted Answer

A) True 
 B)False

Question 10

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

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 11

0 K is equal to -273.15 °C.

Accepted Answer

A) True 
 B)False

Question 12

In order to convert 121 dm to mm one needs to multiply by ________.

Accepted Answer

A)  107 
B)  102 
C)  10-2 
D)  10-5 
A)  107 
B)  102 
C)  10-2 
D)  10-5

Question 13

The density of copper is about 8.96 g/mL. This means that a certain mass of copper will ________.

Accepted Answer

A)  occupy the same volume as the same mass of water 
B)  occupy a volume 8.96 times larger than the volume occupied by the same mass of water 
C)  occupy a volume that is 8.96 times smaller than the volume occupied by the same mass of water 
D)  always occupy a volume of 8.96 mL 
A)  occupy the same volume as the same mass of water 
B)  occupy a volume 8.96 times larger than the volume occupied by the same mass of water 
C)  occupy a volume that is 8.96 times smaller than the volume occupied by the same mass of water 
D)  always occupy a volume of 8.96 mL

Question 14

A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder. Suppose the following three liquids were placed in the same tall, narrow glass cylinder:   The substance that should be placed first in the cylinder so that it is on the bottom is ________.

Accepted Answer

A)  vinegar 
B)  motor oil 
C)  corn syrup 
D)  cannot be determined 
A)  vinegar 
B)  motor oil 
C)  corn syrup 
D)  cannot be determined

Question 15

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

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 16

Match each temperature with there equivalent different scale temperature .
-273 K

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 17

Which one of the following numbers does not have four 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 18

Which of the following operations will not give an answer of 73.3?

Accepted Answer

A)  63.75 × 1.15 
B)  90.0 - 16.67 
C)  60.15 + 13.26 
D)  12.161 × 6.03 
A)  63.75 × 1.15 
B)  90.0 - 16.67 
C)  60.15 + 13.26 
D)  12.161 × 6.03

Question 19

How many significant digits are present in the number 0.02560?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
A)  3 
B)  4 
C)  5 
D)  6

Question 20

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

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

Identify the exact number.

Specific heat may be measured as cal. g/°C.

When adding or subtracting measured numbers, the answer contains no more significant figures than the number with the least number of significant figures being added or subtracted.

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

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

One week contains 604,800 seconds.

Which statement is true?

When determining the number of significant figures in a number, leading zeros are not significant.

Density units may be in lb/ gallon.

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

0 K is equal to -273.15 °C.

In order to convert 121 dm to mm one needs to multiply by ________.

The density of copper is about 8.96 g/mL. This means that a certain mass of copper will ________.

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

Match each temperature with there equivalent different scale temperature . -273 K

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

Which of the following operations will not give an answer of 73.3?

How many significant digits are present in the number 0.02560?

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

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

Identify the exact number.

Specific heat may be measured as cal. g/°C.

When adding or subtracting measured numbers, the answer contains no more significant figures than the number with the least number of significant figures being added or subtracted.

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

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

One week contains 604,800 seconds.

Which statement is true?

When determining the number of significant figures in a number, leading zeros are not significant.

Density units may be in lb/ gallon.

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

0 K is equal to -273.15 °C.

In order to convert 121 dm to mm one needs to multiply by ________.

The density of copper is about 8.96 g/mL. This means that a certain mass of copper will ________.

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

Match each temperature with there equivalent different scale temperature . -273 K

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

Which of the following operations will not give an answer of 73.3?

How many significant digits are present in the number 0.02560?

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

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