Question 1

Zeros located between two numbers are not significant.

Accepted Answer

A) True 
 B)False  False

Question 2

The correct scientific notation for the number 0.00050210 is:

Accepted Answer

A) 5.0210 × 104 
B) 5.021 × 10-4 
C) 5.021 × 104 
D) 5.0210 × 10-4 
E) none of the above 
A) 5.0210 × 104 
B) 5.021 × 10-4 
C) 5.021 × 104 
D) 5.0210 × 10-4 
E) none of the above D

Question 3

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  True

Question 4

A conversion factor is a fraction with one unit on top and a different unit on the bottom.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

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

Question 6

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 7

The prefix nano represents the multiplier 0.000000001.

Accepted Answer

A) True 
 B)False

Question 8

How many  
Are in 2.20  
?

Accepted Answer

A) 36.1 
B) 10.6 
C) 0.1340 
D) 7.45 
E) none of the above 
A) 36.1 
B) 10.6 
C) 0.1340 
D) 7.45 
E) none of the above

Question 9

The metric prefix k would be presented as 10 to the power of:

Accepted Answer

A) -3 
B) 3 
C) 12 
D) -9 
A) -3 
B) 3 
C) 12 
D) -9

Question 10

How many milliliters are in 17.5 L?

Accepted Answer

A) 175 
B) 1.75 × 10-2 
C) 1.75 × 103 
D) 1.75 × 104 
E) none of the above 
A) 175 
B) 1.75 × 10-2 
C) 1.75 × 103 
D) 1.75 × 104 
E) none of the above

Question 11

The base unit of mass in the SI system is the kg.

Accepted Answer

A) True 
 B)False

Question 12

A nine gigagram mass is heavier than a nine nanogram mass.

Accepted Answer

A) True 
 B)False

Question 13

The correct multiplier for the prefix milli 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 14

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 15

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

Accepted Answer

A) True 
 B)False

Question 16

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 17

Given the density of Au is 19.3 g/cm3,determine the mass of gold (in grams)in an ingot with the dimensions of 10.0 in × 4.00 in × 3.00 in.

Accepted Answer

A) 3.80 × 104 
B) 102 
C) 2.32 × 103 
D) 0.161 
E) none of the above 
A) 3.80 × 104 
B) 102 
C) 2.32 × 103 
D) 0.161 
E) none of the above

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

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 20

Numbers are usually written so that the uncertainty is in the last reported digit.

Accepted Answer

A) True 
 B)False

Zeros located between two numbers are not significant.

The correct scientific notation for the number 0.00050210 is:

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

A conversion factor is a fraction with one unit on top and a different unit on the bottom.

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

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

The prefix nano represents the multiplier 0.000000001.

How many Are in 2.20 ?

The metric prefix k would be presented as 10 to the power of:

How many milliliters are in 17.5 L?

The base unit of mass in the SI system is the kg.

A nine gigagram mass is heavier than a nine nanogram mass.

The correct multiplier for the prefix milli is:

How many liters are in 333 mL?

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

The correct prefix for the multiplier 10 is:

Given the density of Au is 19.3 g/cm³,determine the mass of gold (in grams)in an ingot with the dimensions of 10.0 in × 4.00 in × 3.00 in.

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

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

Numbers are usually written so that the uncertainty is in the last reported digit.

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Exam 2: Measurement and Problem Solving

Zeros located between two numbers are not significant.

The correct scientific notation for the number 0.00050210 is:

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

A conversion factor is a fraction with one unit on top and a different unit on the bottom.

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

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

The prefix nano represents the multiplier 0.000000001.

How many Are in 2.20 ?

The metric prefix k would be presented as 10 to the power of:

How many milliliters are in 17.5 L?

The base unit of mass in the SI system is the kg.

A nine gigagram mass is heavier than a nine nanogram mass.

The correct multiplier for the prefix milli is:

How many liters are in 333 mL?

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

The correct prefix for the multiplier 10 is:

Given the density of Au is 19.3 g/cm3,determine the mass of gold (in grams)in an ingot with the dimensions of 10.0 in × 4.00 in × 3.00 in.

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

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

Numbers are usually written so that the uncertainty is in the last reported digit.

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

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Given the density of Au is 19.3 g/cm³,determine the mass of gold (in grams)in an ingot with the dimensions of 10.0 in × 4.00 in × 3.00 in.