Exam 2: Measurement and Problem Solving

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:

(Multiple Choice)

4.8/5

(30)

Question 21

Scientific numbers are reported so that every digit is certain except the last,which is estimated.

(True/False)

4.9/5

(40)

Question 22

Determine the answer for the equation below with correct number of significant figures: 3.215 × 13.2 ÷ 0.218 = ________

(Multiple Choice)

4.7/5

(32)

Question 23

The prefix in the name of a polygon indicates how many sides this geometric figure has,so a "decagon" would have ten sides.

(True/False)

4.7/5

(42)

Question 24

The decimal number 0.0210 expressed in scientific notation is 2.10 × 10^-2.

(True/False)

4.8/5

(41)

Question 25

Conversion factors are constructed from any two quantities known to be equivalent.

(True/False)

5.0/5

(36)

Question 26

Determine the answer to the following equation with correct number of significant figures: 2.02 + 8.102 - 0.0297 = ________

(Multiple Choice)

4.9/5

(36)

Question 27

How would the number 8,155 be written in scientific notation?

(Multiple Choice)

4.9/5

(28)

Question 28

The exponential is equal to which decimal number?

(Multiple Choice)

4.9/5

(25)

Question 29

How many significant figures should be reported in the answer to the following calculation? (43.980)× (19.0023 + 25)=

(Multiple Choice)

4.7/5

(40)

Question 30

How many liters are in 333 mL?

(Multiple Choice)

4.8/5

(35)

Question 31

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.

(True/False)

4.8/5

(36)

Question 32

The correct decimal representation of 1.201 × 10^-7 is:

(Multiple Choice)

5.0/5

(41)

Question 33

The distance between the two hydrogen atoms in a molecule of water is 0.000000000172 m.Express this distance in scientific notation.

(Multiple Choice)

4.8/5

(32)

Question 34

A 12-oz can of soda pop costs eighty-nine cents.A 2.00 L bottle of the same variety of soda pop costs $2.29.How many times more expensive it is to buy the 12-oz can of pop compared to buying it in a 2.00 L bottle? (1.00 L = 1.057 quart and 1 quart contains 32 oz)

(Multiple Choice)

4.8/5

(52)

Question 35

When the number 2.35 is rounded to contain 2 significant figures it becomes 2.4.

(True/False)

4.9/5

(34)

Question 36

How many significant figures should be reported in the answer to the following calculation? =

(Multiple Choice)

5.0/5

(34)

Question 37

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

(Multiple Choice)

4.9/5

(35)

Question 38

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 .

(Multiple Choice)

4.7/5

(41)

Question 39

The correct prefix for the multiplier 1,000,000 is:

(Multiple Choice)

4.8/5

(33)

Question 40

Showing 21 - 40 of 131

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:

Scientific numbers are reported so that every digit is certain except the last,which is estimated.

Determine the answer for the equation below with correct number of significant figures: 3.215 × 13.2 ÷ 0.218 = ________

The prefix in the name of a polygon indicates how many sides this geometric figure has,so a "decagon" would have ten sides.

The decimal number 0.0210 expressed in scientific notation is 2.10 × 10^-2.

Conversion factors are constructed from any two quantities known to be equivalent.

Determine the answer to the following equation with correct number of significant figures: 2.02 + 8.102 - 0.0297 = ________

How would the number 8,155 be written in scientific notation?

The exponential is equal to which decimal number?

How many significant figures should be reported in the answer to the following calculation? (43.980)× (19.0023 + 25)=

How many liters are in 333 mL?

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 1.201 × 10^-7 is:

The distance between the two hydrogen atoms in a molecule of water is 0.000000000172 m.Express this distance in scientific notation.

A 12-oz can of soda pop costs eighty-nine cents.A 2.00 L bottle of the same variety of soda pop costs $2.29.How many times more expensive it is to buy the 12-oz can of pop compared to buying it in a 2.00 L bottle? (1.00 L = 1.057 quart and 1 quart contains 32 oz)

When the number 2.35 is rounded to contain 2 significant figures it becomes 2.4.

How many significant figures should be reported in the answer to the following calculation? =

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

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 .

The correct prefix for the multiplier 1,000,000 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

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:

Scientific numbers are reported so that every digit is certain except the last,which is estimated.

Determine the answer for the equation below with correct number of significant figures: 3.215 × 13.2 ÷ 0.218 = ________

The prefix in the name of a polygon indicates how many sides this geometric figure has,so a "decagon" would have ten sides.

The decimal number 0.0210 expressed in scientific notation is 2.10 × 10-2.

Conversion factors are constructed from any two quantities known to be equivalent.

Determine the answer to the following equation with correct number of significant figures: 2.02 + 8.102 - 0.0297 = ________

How would the number 8,155 be written in scientific notation?

The exponential is equal to which decimal number?

How many significant figures should be reported in the answer to the following calculation? (43.980)× (19.0023 + 25)=

How many liters are in 333 mL?

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.

The correct decimal representation of 1.201 × 10-7 is:

The distance between the two hydrogen atoms in a molecule of water is 0.000000000172 m.Express this distance in scientific notation.

A 12-oz can of soda pop costs eighty-nine cents.A 2.00 L bottle of the same variety of soda pop costs $2.29.How many times more expensive it is to buy the 12-oz can of pop compared to buying it in a 2.00 L bottle? (1.00 L = 1.057 quart and 1 quart contains 32 oz)

When the number 2.35 is rounded to contain 2 significant figures it becomes 2.4.

How many significant figures should be reported in the answer to the following calculation? =

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

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 .

The correct prefix for the multiplier 1,000,000 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 decimal number 0.0210 expressed in scientific notation is 2.10 × 10^-2.

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 1.201 × 10^-7 is: