Question 1

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 2

How many cm3 are there in 1.25 ft3?

Accepted Answer

A) 38.1 
B) 5.49 × 103 
C) 246 
D) 3.54 × 104 
E) none of the above 
A) 38.1 
B) 5.49 × 103 
C) 246 
D) 3.54 × 104 
E) none of the above

Question 3

The mass of an object depends on gravity.

Accepted Answer

A) True 
 B)False

Question 4

Determine the answer to the following equation with correct number of significant figures:
(17.103 + 2.03)× 1.02521 = ________

Accepted Answer

A) 19.6153 
B) 19.62 
C) 19.6 
D) 20 
E) none of the above 
A) 19.6153 
B) 19.62 
C) 19.6 
D) 20 
E) none of the above

Question 5

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 6

When the number 2.35 is rounded to contain 2 significant figures it becomes 2.4.

Accepted Answer

A) True 
 B)False

Question 7

What is the volume of 19.6 g of a liquid that has a density of 0.967 g/mL?

Accepted Answer

A) 16.9 mL 
B) 20.3 mL 
C) 14.7 mL 
D) 17.9 mL 
E) none of the above 
A) 16.9 mL 
B) 20.3 mL 
C) 14.7 mL 
D) 17.9 mL 
E) none of the above

Question 8

Which of the following sets of units is NOT in the order of increasing size?

Accepted Answer

A) μg < g < kg 
B) mL < dL < L 
C) ns < ms < s 
D) cm < μm < km 
E) μmol < mmol < mol 
A) μg < g < kg 
B) mL < dL < L 
C) ns < ms < s 
D) cm < μm < km 
E) μmol < mmol < mol

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

How many significant figures are represented by the following number that is written in scientific notation? 2.5 ×

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 11

The jet fuel in an airplane has a mass of 97.5 kg and a density of 0.804 g/cm3.What is the volume of this jet fuel?

Accepted Answer

A) 7.84 ×  
Cm3 
B) 7.84 ×  
Cm3 
C) 1.21 ×  
Cm3 
D) 1.21 ×  
Cm3 
E) none of the above 
A) 7.84 ×  
Cm3 
B) 7.84 ×  
Cm3 
C) 1.21 ×  
Cm3 
D) 1.21 ×  
Cm3 
E) none of the above

Question 12

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 13

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

Accepted Answer

A) True 
 B)False

Question 14

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 15

The distance from New York City to Washington,DC is approximately 235 miles.Identify the correct solution map to convert from miles to kilometers using the prefix multipliers and the given conversion factors: 1 mile = 5280 ft;1 ft = 12 in;1 in = 2.54 cm.

Accepted Answer

A) 235 mile ×  
×
  
×
  
×
  
×
   
B) 235 mile ×  
×
  
×
  
×
  
×
   
C) 235 mile ×  
×
  
×
  
×
  
×
   
D) 235 mile ×  
×
  
×
  
×
   
E) 235 mile ×  
×
  
×
  
×
   
A) 235 mile ×  
×
  
×
  
×
  
×
   
B) 235 mile ×  
×
  
×
  
×
  
×
   
C) 235 mile ×  
×
  
×
  
×
  
×
   
D) 235 mile ×  
×
  
×
  
×
   
E) 235 mile ×  
×
  
×
  
×

Question 16

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd3?

Accepted Answer

A) 178 
B) 59.3 
C) 1.60 × 103 
D) 533 
E) none of the above 
A) 178 
B) 59.3 
C) 1.60 × 103 
D) 533 
E) none of the above

Question 17

How would the number  
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 18

The prefix in the name of a polygon indicates how many sides this geometric figure has,so a "decagon" would have ten sides.

Accepted Answer

A) True 
 B)False

Question 19

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 20

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

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?

How many cm³ are there in 1.25 ft³?

The mass of an object depends on gravity.

Determine the answer to the following equation with correct number of significant figures: (17.103 + 2.03)× 1.02521 = ________

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?

When the number 2.35 is rounded to contain 2 significant figures it becomes 2.4.

What is the volume of 19.6 g of a liquid that has a density of 0.967 g/mL?

Which of the following sets of units is NOT in the order of increasing size?

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

How many significant figures are represented by the following number that is written in scientific notation? 2.5 ×

The jet fuel in an airplane has a mass of 97.5 kg and a density of 0.804 g/cm³.What is the volume of this jet fuel?

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

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

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

The distance from New York City to Washington,DC is approximately 235 miles.Identify the correct solution map to convert from miles to kilometers using the prefix multipliers and the given conversion factors: 1 mile = 5280 ft;1 ft = 12 in;1 in = 2.54 cm.

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd³?

How would the number Be expressed in decimal form?

The prefix in the name of a polygon indicates how many sides this geometric figure has,so a "decagon" would have ten sides.

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

How many grams are in 1.48 × 10⁷ μg?

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Exam 2: Measurement and Problem Solving

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?

How many cm3 are there in 1.25 ft3?

The mass of an object depends on gravity.

Determine the answer to the following equation with correct number of significant figures: (17.103 + 2.03)× 1.02521 = ________

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?

When the number 2.35 is rounded to contain 2 significant figures it becomes 2.4.

What is the volume of 19.6 g of a liquid that has a density of 0.967 g/mL?

Which of the following sets of units is NOT in the order of increasing size?

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

How many significant figures are represented by the following number that is written in scientific notation? 2.5 ×

The jet fuel in an airplane has a mass of 97.5 kg and a density of 0.804 g/cm3.What is the volume of this jet fuel?

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

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

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

The distance from New York City to Washington,DC is approximately 235 miles.Identify the correct solution map to convert from miles to kilometers using the prefix multipliers and the given conversion factors: 1 mile = 5280 ft;1 ft = 12 in;1 in = 2.54 cm.

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd3?

How would the number Be expressed in decimal form?

The prefix in the name of a polygon indicates how many sides this geometric figure has,so a "decagon" would have ten sides.

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

How many grams are in 1.48 × 107 μg?

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

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?

How many cm³ are there in 1.25 ft³?

The jet fuel in an airplane has a mass of 97.5 kg and a density of 0.804 g/cm³.What is the volume of this jet fuel?

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd³?

How many grams are in 1.48 × 10⁷ μg?