Question 1

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

Accepted Answer

A) 12010000 
B) 0.0001201 
C) 0.0000001201 
D) 1201.000 
E) none of the above 
A) 12010000 
B) 0.0001201 
C) 0.0000001201 
D) 1201.000 
E) none of the above

Question 2

Suppose a boat engine leaks 938 milliliters of oil into a lake.The mass of this spilled oil is  
The oil will not mix with the lake water.Which statement is true?

Accepted Answer

A) The oil will sink because its density of 0.877 g/mL is greater than the density of water. 
B) The oil will float because its density of 0.877 g/mL is less than the density of water. 
C) The oil will sink because its density of 1.14 g/mL is greater than the density of water. 
D) The oil will float because its density of 1.14 g/mL is less than the density of water. 
E) none of the above 
A) The oil will sink because its density of 0.877 g/mL is greater than the density of water. 
B) The oil will float because its density of 0.877 g/mL is less than the density of water. 
C) The oil will sink because its density of 1.14 g/mL is greater than the density of water. 
D) The oil will float because its density of 1.14 g/mL is less than the density of water. 
E) none of the above

Question 3

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm3.If this rod is cut in half,the density of each piece is now 5.7 g/cm3.

Accepted Answer

A) True 
 B)False

Question 4

A solution map diagrams the steps required to get from the starting point to the end point of a calculation problem.

Accepted Answer

A) True 
 B)False

Question 5

If you count 7 pennies,you can only report one significant figure in that measurement.

Accepted Answer

A) True 
 B)False

Question 6

What is the base SI unit for mass?

Accepted Answer

A) kilogram 
B) gram 
C) pound 
D) ton 
E) none of the above 
A) kilogram 
B) gram 
C) pound 
D) ton 
E) none of the above

Question 7

If you know the density of a liquid and its volume,the mass of the liquid may be calculated using the equation: m = V/d.

Accepted Answer

A) True 
 B)False

Question 8

When the number 65.59 is rounded to contain 2 significant figures,it becomes 66.0.

Accepted Answer

A) True 
 B)False

Question 9

How many inches are in 6.32 cm?

Accepted Answer

A) 16.1 
B) 2.49 
C) 3.78 
D) 8.86 
E) none of the above 
A) 16.1 
B) 2.49 
C) 3.78 
D) 8.86 
E) none of the above

Question 10

One mile measures 5,280 feet long,so one square mile is equivalent to 5,280 square feet.

Accepted Answer

A) True 
 B)False

Question 11

If you are given the mass and density of an object,you can calculate the volume by using the equation: V = m/d.

Accepted Answer

A) True 
 B)False

Question 12

The exponential  
Is equal to which decimal number?

Accepted Answer

A) 10,000 
B) 1 
C) 10 
D) 100 
E) none of the above 
A) 10,000 
B) 1 
C) 10 
D) 100 
E) none of the above

Question 13

Determine the answer to the following equation with correct number of significant figures:
13.96 - 4.9102 + 71.5 = ________

Accepted Answer

A) 80.5498 
B) 81 
C) 80.5 
D) 80.55 
E) none of the above 
A) 80.5498 
B) 81 
C) 80.5 
D) 80.55 
E) none of the above

Question 14

There are exactly 2.54 centimeters in 1 inch.When using this conversion factor,how many significant figures are you limited to?

Accepted Answer

A) 1 
B) 3 
C) ambiguous 
D) depends on if you are using it in multiplication/division or addition/subtraction 
E) infinite number of significant figures 
A) 1 
B) 3 
C) ambiguous 
D) depends on if you are using it in multiplication/division or addition/subtraction 
E) infinite number of significant figures

Question 15

Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.

Accepted Answer

A) True 
 B)False

Question 16

The correct scientific notation for the number 500.0 is:

Accepted Answer

A) 5 × 102 
B) 5.00 × 102 
C) 5.000 × 102 
D) 5 × 10-2 
E) none of the above 
A) 5 × 102 
B) 5.00 × 102 
C) 5.000 × 102 
D) 5 × 10-2 
E) none of the above

Question 17

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

Accepted Answer

A) 10.0923 
B) 10.09 
C) 10.1 
D) 10.092 
E) none of the above 
A) 10.0923 
B) 10.09 
C) 10.1 
D) 10.092 
E) none of the above

Question 18

Which measurement below represents the heaviest mass?

Accepted Answer

A) 1 mg 
B) 1 kg 
C) 1 pg 
D) 1 Mg 
E) 1 dg 
A) 1 mg 
B) 1 kg 
C) 1 pg 
D) 1 Mg 
E) 1 dg

Question 19

The decimal number 0.0000010 expressed in scientific notation is   
.

Accepted Answer

A) True 
 B)False

Question 20

The base SI unit for temperature is:

Accepted Answer

A) Fahrenheit. 
B) Kelvin. 
C) Celsius. 
D) atmospheres. 
E) none of the above 
A) Fahrenheit. 
B) Kelvin. 
C) Celsius. 
D) atmospheres. 
E) none of the above

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

Suppose a boat engine leaks 938 milliliters of oil into a lake.The mass of this spilled oil is The oil will not mix with the lake water.Which statement is true?

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm³.If this rod is cut in half,the density of each piece is now 5.7 g/cm³.

A solution map diagrams the steps required to get from the starting point to the end point of a calculation problem.

If you count 7 pennies,you can only report one significant figure in that measurement.

What is the base SI unit for mass?

If you know the density of a liquid and its volume,the mass of the liquid may be calculated using the equation: m = V/d.

When the number 65.59 is rounded to contain 2 significant figures,it becomes 66.0.

How many inches are in 6.32 cm?

One mile measures 5,280 feet long,so one square mile is equivalent to 5,280 square feet.

If you are given the mass and density of an object,you can calculate the volume by using the equation: V = m/d.

The exponential Is equal to which decimal number?

Determine the answer to the following equation with correct number of significant figures: 13.96 - 4.9102 + 71.5 = ________

There are exactly 2.54 centimeters in 1 inch.When using this conversion factor,how many significant figures are you limited to?

Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.

The correct scientific notation for the number 500.0 is:

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

Which measurement below represents the heaviest mass?

The decimal number 0.0000010 expressed in scientific notation is .

The base SI unit for temperature 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

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

Suppose a boat engine leaks 938 milliliters of oil into a lake.The mass of this spilled oil is The oil will not mix with the lake water.Which statement is true?

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm3.If this rod is cut in half,the density of each piece is now 5.7 g/cm3.

A solution map diagrams the steps required to get from the starting point to the end point of a calculation problem.

If you count 7 pennies,you can only report one significant figure in that measurement.

What is the base SI unit for mass?

If you know the density of a liquid and its volume,the mass of the liquid may be calculated using the equation: m = V/d.

When the number 65.59 is rounded to contain 2 significant figures,it becomes 66.0.

How many inches are in 6.32 cm?

One mile measures 5,280 feet long,so one square mile is equivalent to 5,280 square feet.

If you are given the mass and density of an object,you can calculate the volume by using the equation: V = m/d.

The exponential Is equal to which decimal number?

Determine the answer to the following equation with correct number of significant figures: 13.96 - 4.9102 + 71.5 = ________

There are exactly 2.54 centimeters in 1 inch.When using this conversion factor,how many significant figures are you limited to?

Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.

The correct scientific notation for the number 500.0 is:

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

Which measurement below represents the heaviest mass?

The decimal number 0.0000010 expressed in scientific notation is .

The base SI unit for temperature 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 correct decimal representation of 1.201 × 10^-7 is:

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm³.If this rod is cut in half,the density of each piece is now 5.7 g/cm³.