Question 1

The multiplier 0.01 is represented by which prefix?

Accepted Answer

A) kilo- 
B) deci- 
C) centi- 
D) milli- 
E) none of the above 
A) kilo- 
B) deci- 
C) centi- 
D) milli- 
E) none of the above C

Question 2

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

Accepted Answer

A) True 
 B)False  False

Question 3

How many grams are in 1.48 × 107 μg?

Accepted Answer

A) 1.48 × 103 
B) 1.48 × 1013 
C) 1.48 
D) 14.8 
E) none of the above 
A) 1.48 × 103 
B) 1.48 × 1013 
C) 1.48 
D) 14.8 
E) none of the above D

Question 4

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 5

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 6

There are 1000 kilometers in one meter.

Accepted Answer

A) True 
 B)False

Question 7

How many low dose 81 mg aspirin tablets can be made from 1.21 kg of aspirin?

Accepted Answer

A) 1.5 ×   tablets 
B) 1.5 ×   tablets 
C) 1.5 ×   tablets 
D) 1.21 ×   tablets 
E) 1.21 ×   tablets 
A) 1.5 ×   tablets 
B) 1.5 ×   tablets 
C) 1.5 ×   tablets 
D) 1.21 ×   tablets 
E) 1.21 ×   tablets

Question 8

How many significant figures are in the number 2903?

Accepted Answer

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

Question 9

All solids have the same density.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements is NOT part of the rules for determining significant figures?

Accepted Answer

A) Non-zero digits at the end of a number are not significant. 
B) Zeroes between two numbers are significant. 
C) Zeroes to the left of the first non-zero number are not significant. 
D) Trailing zeroes at the end of a number,but before an implied decimal point are ambiguous. 
E) All of the above statements are part of the rules. 
A) Non-zero digits at the end of a number are not significant. 
B) Zeroes between two numbers are significant. 
C) Zeroes to the left of the first non-zero number are not significant. 
D) Trailing zeroes at the end of a number,but before an implied decimal point are ambiguous. 
E) All of the above statements are part of the rules.

Question 11

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 12

The correct multiplier for the prefix femto is:

Accepted Answer

A) 10-15 
B) 10-12 
C) 1012 
D) 109 
E) none of the above 
A) 10-15 
B) 10-12 
C) 1012 
D) 109 
E) none of the above

Question 13

Trailing zeros before a decimal point but after a non-zero number are considered significant figures.

Accepted Answer

A) True 
 B)False

Question 14

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

Question 15

A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm3.What is the volume of the ball?

Accepted Answer

A) 0.207 mL 
B) 0.207 L 
C) 4.82 mL 
D) 4.82 L 
E) none of the above 
A) 0.207 mL 
B) 0.207 L 
C) 4.82 mL 
D) 4.82 L 
E) none of the above

Question 16

The base unit of length in the SI system is the cm.

Accepted Answer

A) True 
 B)False

Question 17

The correct number of significant figures in the number   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 18

A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder.Suppose the following three liquids were placed in the same tall,narrow glass cylinder:   These liquids would stack in which order?

Accepted Answer

A) corn syrup on top,motor oil in the middle,vinegar on the bottom 
B) vinegar on top,motor oil in the middle,corn syrup on the bottom 
C) motor oil on top,corn syrup in the middle,vinegar on the bottom 
D) corn syrup on top,vinegar in the middle,motor oil on the bottom 
E) motor oil on top,vinegar in the middle,corn syrup on the bottom 
A) corn syrup on top,motor oil in the middle,vinegar on the bottom 
B) vinegar on top,motor oil in the middle,corn syrup on the bottom 
C) motor oil on top,corn syrup in the middle,vinegar on the bottom 
D) corn syrup on top,vinegar in the middle,motor oil on the bottom 
E) motor oil on top,vinegar in the middle,corn syrup on the bottom

Question 19

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 20

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

The multiplier 0.01 is represented by which prefix?

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

How many grams are in 1.48 × 10⁷ μg?

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

How many are in 2.20 ?

There are 1000 kilometers in one meter.

How many low dose 81 mg aspirin tablets can be made from 1.21 kg of aspirin?

How many significant figures are in the number 2903?

All solids have the same density.

Which of the following statements is NOT part of the rules for determining significant figures?

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

The correct multiplier for the prefix femto is:

Trailing zeros before a decimal point but after a non-zero number are considered significant figures.

The correct scientific notation for the number 0.00050210 is:

A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm³.What is the volume of the ball?

The base unit of length in the SI system is the cm.

The correct number of significant figures in the number is:

A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder.Suppose the following three liquids were placed in the same tall,narrow glass cylinder: These liquids would stack in which order?

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

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

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Exam 2: Measurement and Problem Solving

The multiplier 0.01 is represented by which prefix?

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

How many grams are in 1.48 × 107 μg?

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

How many are in 2.20 ?

There are 1000 kilometers in one meter.

How many low dose 81 mg aspirin tablets can be made from 1.21 kg of aspirin?

How many significant figures are in the number 2903?

All solids have the same density.

Which of the following statements is NOT part of the rules for determining significant figures?

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

The correct multiplier for the prefix femto is:

Trailing zeros before a decimal point but after a non-zero number are considered significant figures.

The correct scientific notation for the number 0.00050210 is:

A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm3.What is the volume of the ball?

The base unit of length in the SI system is the cm.

The correct number of significant figures in the number is:

A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder.Suppose the following three liquids were placed in the same tall,narrow glass cylinder: These liquids would stack in which order?

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

The correct number of significant figures in the number 0.027090 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

How many grams are in 1.48 × 10⁷ μg?

A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm³.What is the volume of the ball?