Question 1

An object weighing 1.840 kg has a volume of 0.0015 m3.What is the density of the object in g/cm3?

Accepted Answer

A) 1.2 
B) 0.0012 
C) 0.82 
D) 0.0028 
E) none of the above 
A) 1.2 
B) 0.0012 
C) 0.82 
D) 0.0028 
E) none of the above

Question 2

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 3

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

Accepted Answer

A) 3 
B) 2 
C) 4 
D) 1 
E) none of the above 
A) 3 
B) 2 
C) 4 
D) 1 
E) none of the above

Question 4

The prefix nano represents the multiplier 0.000000001.

Accepted Answer

A) True 
 B)False

Question 5

An American nickel five cent coin has a mass of approximately 5 grams.Five grams is equivalent to which term?

Accepted Answer

A) 5000 kilograms 
B) 5000 milligrams 
C) 50 centigrams 
D) 5000 micrograms 
E) none of the above 
A) 5000 kilograms 
B) 5000 milligrams 
C) 50 centigrams 
D) 5000 micrograms 
E) none of the above

Question 6

Determine the answer to the following equation with correct number of significant figures:
(4.123 × 0.12)+ 24.2 = ________

Accepted Answer

A) 25 
B) 24.695 
C) 24.70 
D) 24.7 
E) none of the above 
A) 25 
B) 24.695 
C) 24.70 
D) 24.7 
E) none of the above

Question 7

The typical problem-solving procedure involves four steps in the order:

Accepted Answer

A) sort,strategize,solve,check 
B) strategize,solve,sort,check 
C) check,strategize,sort,solve 
D) solve,sort,check,strategize 
A) sort,strategize,solve,check 
B) strategize,solve,sort,check 
C) check,strategize,sort,solve 
D) solve,sort,check,strategize

Question 8

The decimal value 0.01 is equal to which exponential?

Accepted Answer

A) 10-3 
B) 10-2 
C) 10-4 
D) 10-5 
E) none of the above 
A) 10-3 
B) 10-2 
C) 10-4 
D) 10-5 
E) none of the above

Question 9

The mass of an object depends on gravity.

Accepted Answer

A) True 
 B)False

Question 10

The exponential 10-3 is equal to which decimal number?

Accepted Answer

A) 0.1 
B) 0.001 
C) -0.00001 
D) -0.0001 
E) none of the above 
A) 0.1 
B) 0.001 
C) -0.00001 
D) -0.0001 
E) none of the above

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

How many inches are in 25.8 cm?

Accepted Answer

A) 0.10 
B) 28.3 
C) 0.0984 
D) 10.2 
E) none of the above 
A) 0.10 
B) 28.3 
C) 0.0984 
D) 10.2 
E) none of the above

Question 13

The correct number of significant figures in the number "9.080 x 10-4" is

Accepted Answer

A) 3 
B) 4 
C) 5 
D) ambiguous 
E) none of the above 
A) 3 
B) 4 
C) 5 
D) ambiguous 
E) none of the above

Question 14

In addition or subtraction,the result carries the same number of decimal places as the quantity carrying the fewest decimal places.

Accepted Answer

A) True 
 B)False

Question 15

What is the density of 96 mL of a liquid that has a mass of 90.5 g?

Accepted Answer

A) 0.94 g/mL 
B) 1.1 g/mL 
C) 186.5 g/mL 
D) 28.4 g/mL 
E) none of the above 
A) 0.94 g/mL 
B) 1.1 g/mL 
C) 186.5 g/mL 
D) 28.4 g/mL 
E) none of the above

Question 16

How many liters are in 333 mL?

Accepted Answer

A) 3.33 × 105 
B) 0.333 
C) 33.3 
D) 3.33 
E) none of the above 
A) 3.33 × 105 
B) 0.333 
C) 33.3 
D) 3.33 
E) none of the above

Question 17

Zeros located after a number and after a decimal point are significant.

Accepted Answer

A) True 
 B)False

Question 18

The correct number of significant figures in the number 0.027090 is:

Accepted Answer

A) 7 
B) 6 
C) 5 
D) ambiguous 
E) none of the above 
A) 7 
B) 6 
C) 5 
D) ambiguous 
E) none of the above

Question 19

How would the number 1.09 × 101 be expressed in decimal form?

Accepted Answer

A) 109 
B) 0.109 
C) 1.09 
D) 10.9 
E) none of the above 
A) 109 
B) 0.109 
C) 1.09 
D) 10.9 
E) none of the above

Question 20

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

Accepted Answer

A) mega. 
B) milli. 
C) micro. 
D) nano. 
E) none of the above 
A) mega. 
B) milli. 
C) micro. 
D) nano. 
E) none of the above

An object weighing 1.840 kg has a volume of 0.0015 m³.What is the density of the object in g/cm³?

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

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

The prefix nano represents the multiplier 0.000000001.

An American nickel five cent coin has a mass of approximately 5 grams.Five grams is equivalent to which term?

Determine the answer to the following equation with correct number of significant figures: (4.123 × 0.12)+ 24.2 = ________

The typical problem-solving procedure involves four steps in the order:

The decimal value 0.01 is equal to which exponential?

The mass of an object depends on gravity.

The exponential 10^-3 is equal to which decimal number?

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

How many inches are in 25.8 cm?

The correct number of significant figures in the number "9.080 x 10^-4" is

In addition or subtraction,the result carries the same number of decimal places as the quantity carrying the fewest decimal places.

What is the density of 96 mL of a liquid that has a mass of 90.5 g?

How many liters are in 333 mL?

Zeros located after a number and after a decimal point are significant.

The correct number of significant figures in the number 0.027090 is:

How would the number 1.09 × 10¹ be expressed in decimal form?

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

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Exam 2: Measurement and Problem Solving

An object weighing 1.840 kg has a volume of 0.0015 m3.What is the density of the object in g/cm3?

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

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

The prefix nano represents the multiplier 0.000000001.

An American nickel five cent coin has a mass of approximately 5 grams.Five grams is equivalent to which term?

Determine the answer to the following equation with correct number of significant figures: (4.123 × 0.12)+ 24.2 = ________

The typical problem-solving procedure involves four steps in the order:

The decimal value 0.01 is equal to which exponential?

The mass of an object depends on gravity.

The exponential 10-3 is equal to which decimal number?

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

How many inches are in 25.8 cm?

The correct number of significant figures in the number "9.080 x 10-4" is

In addition or subtraction,the result carries the same number of decimal places as the quantity carrying the fewest decimal places.

What is the density of 96 mL of a liquid that has a mass of 90.5 g?

How many liters are in 333 mL?

Zeros located after a number and after a decimal point are significant.

The correct number of significant figures in the number 0.027090 is:

How would the number 1.09 × 101 be expressed in decimal form?

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

An object weighing 1.840 kg has a volume of 0.0015 m³.What is the density of the object in g/cm³?

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

The exponential 10^-3 is equal to which decimal number?

The correct number of significant figures in the number "9.080 x 10^-4" is

How would the number 1.09 × 10¹ be expressed in decimal form?