Question 1

The correct prefix for the multiplier 10 is:

Accepted Answer

A) deca. 
B) deci. 
C) tera. 
D) centi. 
E) none of the above 
A) deca. 
B) deci. 
C) tera. 
D) centi. 
E) none of the above

Question 2

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 3

The correct number of significant figures in the number 865,000 is:

Accepted Answer

A) 3 
B) 6 
C) 4 
D) ambiguous 
E) none of the above 
A) 3 
B) 6 
C) 4 
D) ambiguous 
E) none of the above

Question 4

The correct multiplier for the prefix pico is:

Accepted Answer

A) 10-3 
B) 10-6 
C) 10-9 
D) 10-12 
E) none of the above 
A) 10-3 
B) 10-6 
C) 10-9 
D) 10-12 
E) none of the above

Question 5

When rounding the number 2.348615 to 4 significant figures,what is the correct value?

Accepted Answer

A) 2.3490 
B) 2.340 
C) 2.349 
D) 2.348 
E) none of the above 
A) 2.3490 
B) 2.340 
C) 2.349 
D) 2.348 
E) none of the above

Question 6

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 7

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 8

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 9

The prefix micro represents which multiplier?

Accepted Answer

A) 0.000001 
B) 1,000,000 
C) 0.001 
D) 1,000 
E) none of the above 
A) 0.000001 
B) 1,000,000 
C) 0.001 
D) 1,000 
E) none of the above

Question 10

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 11

The wavelength of blue light is 0.00000045 m.Express this wavelength in scientific notation.

Accepted Answer

A) 4.5 ×   m 
B) 4.5 ×   m 
C) 4.5 × 10-7 m 
D) 4.5 ×   m 
E) 0.45 ×   m 
A) 4.5 ×   m 
B) 4.5 ×   m 
C) 4.5 × 10-7 m 
D) 4.5 ×   m 
E) 0.45 ×   m

Question 12

In multiplication and division calculations,the answer will have the same number of decimal places as the number carrying the fewest decimal places.

Accepted Answer

A) True 
 B)False

Question 13

The prefix nano represents the multiplier 0.000000001.

Accepted Answer

A) True 
 B)False

Question 14

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7)× 12.3 =

Accepted Answer

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

Question 15

How many significant figures should be reported in the answer to the following calculation? (1.40)× (17.1)=

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) none of the above 
A) 0 
B) 1 
C) 2 
D) 3 
E) none of the above

Question 16

Trailing zeros at the end of a number,but before an implied decimal point,are ambiguous.

Accepted Answer

A) True 
 B)False

Question 17

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 18

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 19

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 20

The correct prefix for the multiplier 1,000 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

The correct prefix for the multiplier 10 is:

Which measurement below represents the heaviest mass?

The correct number of significant figures in the number 865,000 is:

The correct multiplier for the prefix pico is:

When rounding the number 2.348615 to 4 significant figures,what is the correct value?

The correct scientific notation for the number 500.0 is:

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

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

The prefix micro represents which multiplier?

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?

The wavelength of blue light is 0.00000045 m.Express this wavelength in scientific notation.

In multiplication and division calculations,the answer will have the same number of decimal places as the number carrying the fewest decimal places.

The prefix nano represents the multiplier 0.000000001.

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7)× 12.3 =

How many significant figures should be reported in the answer to the following calculation? (1.40)× (17.1)=

Trailing zeros at the end of a number,but before an implied decimal point,are ambiguous.

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

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

The exponential is equal to which decimal number?

The correct prefix for the multiplier 1,000 is:

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Exam 2: Measurement and Problem Solving

The correct prefix for the multiplier 10 is:

Which measurement below represents the heaviest mass?

The correct number of significant figures in the number 865,000 is:

The correct multiplier for the prefix pico is:

When rounding the number 2.348615 to 4 significant figures,what is the correct value?

The correct scientific notation for the number 500.0 is:

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

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

The prefix micro represents which multiplier?

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?

The wavelength of blue light is 0.00000045 m.Express this wavelength in scientific notation.

In multiplication and division calculations,the answer will have the same number of decimal places as the number carrying the fewest decimal places.

The prefix nano represents the multiplier 0.000000001.

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7)× 12.3 =

How many significant figures should be reported in the answer to the following calculation? (1.40)× (17.1)=

Trailing zeros at the end of a number,but before an implied decimal point,are ambiguous.

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

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

The exponential is equal to which decimal number?

The correct prefix for the multiplier 1,000 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?