Question 1

Which of the following best describes a scientific theory?

Accepted Answer

A)  It is just one of many ways of looking at things. 
B)  It is a point of view which cannot be challenged. 
C)  It is a widely accepted explanation of some phenomena supported by a large amount of experimental data and is therefore definitely correct. 
D)  It is a widely accepted explanation of some phenomena supported by a large amount of experimental data, but it can be shown to be incorrect by a single experiment which yields results which contradict it. 
A)  It is just one of many ways of looking at things. 
B)  It is a point of view which cannot be challenged. 
C)  It is a widely accepted explanation of some phenomena supported by a large amount of experimental data and is therefore definitely correct. 
D)  It is a widely accepted explanation of some phenomena supported by a large amount of experimental data, but it can be shown to be incorrect by a single experiment which yields results which contradict it.

Question 2

Given the calculation: (6.49 × 10 7) × (7.1 × 10 5) = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  4.6079 × 10 13 
B)  4.6 × 10 13 
C)  4.6 × 10 2 
D)  4.6079 × 10 2 
A)  4.6079 × 10 13 
B)  4.6 × 10 13 
C)  4.6 × 10 2 
D)  4.6079 × 10 2

Question 3

At what temperature do the temperatures on the Celsius and Fahrenheit scales have the same numerical value?

Accepted Answer

A)  -40. 
B)  0 
C)  32 
D)  at no value 
A)  -40. 
B)  0 
C)  32 
D)  at no value

Question 4

If specific gravities were defined by reference to oil (density = 0.89 g/mL) rather than water (density = 1.0 g/mL) which of the following would be true?

Accepted Answer

A)  The specific densities of all materials would be larger than those given in tables in handbooks. 
B)  The specific densities of all materials would be smaller than those given in tables in handbooks. 
C)  The specific densities of some objects would be larger and of other objects would be smaller than those given in tables in handbooks. 
D)  The question is meaningless since water is the only permissible reference material. 
A)  The specific densities of all materials would be larger than those given in tables in handbooks. 
B)  The specific densities of all materials would be smaller than those given in tables in handbooks. 
C)  The specific densities of some objects would be larger and of other objects would be smaller than those given in tables in handbooks. 
D)  The question is meaningless since water is the only permissible reference material.

Question 5

Consider the urinometer shown used to make a measurement at 25 °C.   What is the density of the liquid shown at the same temperature?

Accepted Answer

A)  1.04 
B)  1.04 g/mL 
C)  0.962 
D)  0.962 g/mL 
E)  The density cannot be determined from the given data. 
A)  1.04 
B)  1.04 g/mL 
C)  0.962 
D)  0.962 g/mL 
E)  The density cannot be determined from the given data.

Question 6

How many calories of are required to heat 731 grams of water from 35°C to 83°C? (Assume that the specific heat of water is 1.00 cal/g·°C).

Accepted Answer

A)  15 cal 
B)  7.3 × 102 cal 
C)  2.6 × 104 cal 
D)  3.5 × 104 cal 
A)  15 cal 
B)  7.3 × 102 cal 
C)  2.6 × 104 cal 
D)  3.5 × 104 cal

Question 7

Which of the following is the smallest number?

Accepted Answer

A)  5 × 10 3 
B)  3 × 10 4 
C)  2 × 10-5 
D)  7 × 10-6 
A)  5 × 10 3 
B)  3 × 10 4 
C)  2 × 10-5 
D)  7 × 10-6

Question 8

If a 1.000 L bottle of champagne cost 134 Euros and the exchange rate is 1 Euro = $1.33 (US), what is the cost in dollars for 8.000 fluid ounces of this champagne? [1 fluid ounce = 29.57 mL]

Accepted Answer

A)  $5.26 
B)  $42.15 
C)  $47.09 
D)  $81.31 
A)  $5.26 
B)  $42.15 
C)  $47.09 
D)  $81.31

Question 9

Which of the following is a chemical property of water?

Accepted Answer

A)  Ice floats. 
B)  Water boils at 100°C. 
C)  Water reacts violently with sodium. 
D)  All of these are chemical properties. 
A)  Ice floats. 
B)  Water boils at 100°C. 
C)  Water reacts violently with sodium. 
D)  All of these are chemical properties.

Question 10

Dry ice is called dry ice because it passes directly from the solid state to the gaseous state (sublimes) under normal atmospheric conditions. Which of the following occurs during this transformation?

Accepted Answer

A)  The chemical composition of dry ice changes. 
B)  The volume of the sample decreases. 
C)  The volume of the sample remains the same. 
D)  The volume of the sample increases. 
A)  The chemical composition of dry ice changes. 
B)  The volume of the sample decreases. 
C)  The volume of the sample remains the same. 
D)  The volume of the sample increases.

Question 11

In determining the density of a liquid, the following measurement was made.   How many significant figures are shown in this measurement?

Accepted Answer

A)  5 
B)  4 
C)  3 
D)  none of these 
A)  5 
B)  4 
C)  3 
D)  none of these

Question 12

The dimensions of a piece of wood are 2.8 meters x 14 cm x 120 mm. What is the volume of this piece of wood?

Accepted Answer

A)  4.7 × 103 mm3 
B)  4.7 × 103 cm3 
C)  4.7 × 104 cm3 
D)  4.7 × 103 m3 
A)  4.7 × 103 mm3 
B)  4.7 × 103 cm3 
C)  4.7 × 104 cm3 
D)  4.7 × 103 m3

Question 13

Which of the following is the definition of the calorie?

Accepted Answer

A)  the amount of heat required to heat 1.0 oz of water by 1.0°F 
B)  the amount of heat required to heat 1.0 oz of water by 1.0°C 
C)  the amount of heat required to heat 1.0 g of water by 1.0°F 
D)  the amount of heat required to heat 1.0 g of water by 1.0°C 
A)  the amount of heat required to heat 1.0 oz of water by 1.0°F 
B)  the amount of heat required to heat 1.0 oz of water by 1.0°C 
C)  the amount of heat required to heat 1.0 g of water by 1.0°F 
D)  the amount of heat required to heat 1.0 g of water by 1.0°C

Question 14

Given the calculation: 17.72 - 4.232 - 9.1 = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  4.388 
B)  4.38 
C)  4.39 
D)  4.4 
A)  4.388 
B)  4.38 
C)  4.39 
D)  4.4

Question 15

The area of Europe is 1.05 × 107 km2. Which of the following shapes has an area most nearly equal to the area of Europe? [1 mile = 1.609 km]

Accepted Answer

A)  a rectangle 2000 miles by 1000 miles 
B)  a rectangle 2000 miles by 1500 miles 
C)  a square 2000 miles on a side 
D)  none of these 
A)  a rectangle 2000 miles by 1000 miles 
B)  a rectangle 2000 miles by 1500 miles 
C)  a square 2000 miles on a side 
D)  none of these

Question 16

Mercury is the only metal which is a liquid at room temperature. The density of mercury is 13.6 g/cm3. What is the mass, in pounds, of 1.00 quart of mercury? [1 liter = 1.057 quart; 1 pound = 453.6 grams]

Accepted Answer

A)  0.0284 lb 
B)  28.4 lb 
C)  31.7 lb 
D)  35.3 lb 
A)  0.0284 lb 
B)  28.4 lb 
C)  31.7 lb 
D)  35.3 lb

Question 17

In Europe the area of apartments are typically given in square meters (m2). If the area of an American apartment is 9.0 × 102 ft2, a Paris apartment with which of the following areas most closely has the same area as the New York apartment? [1 meter = 1.094 yards]

Accepted Answer

A)  27 m2 
B)  30 m2 
C)  84 m2 
D)  90 m2 
A)  27 m2 
B)  30 m2 
C)  84 m2 
D)  90 m2

Question 18

Given the calculation: 4.877 + 12.87 + 9.19 = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  26.937 
B)  26.93 
C)  26.94 
D)  26.9 
A)  26.937 
B)  26.93 
C)  26.94 
D)  26.9

Question 19

What is the mass of a quarter pound hamburger, expressed in the metric system? [1 pound = 453.6 grams]

Accepted Answer

A)  113 mg 
B)  113 g 
C)  1814 g 
D)  0.1814 kg 
A)  113 mg 
B)  113 g 
C)  1814 g 
D)  0.1814 kg

Question 20

Daytime temperatures in a desert can reach 45.0°C. What is this temperature on the Fahrenheit temperature scale?

Accepted Answer

A)  90.0°F 
B)  113.0°F 
C)  121.0°F 
D)  none of these 
A)  90.0°F 
B)  113.0°F 
C)  121.0°F 
D)  none of these

Exam 1: Matter, Energy, and Measurement

Which of the following best describes a scientific theory?

Given the calculation: (6.49 × 10 7) × (7.1 × 10 5) = ?, what is the answer reported to the correct number of significant figures?

At what temperature do the temperatures on the Celsius and Fahrenheit scales have the same numerical value?

If specific gravities were defined by reference to oil (density = 0.89 g/mL) rather than water (density = 1.0 g/mL) which of the following would be true?

Consider the urinometer shown used to make a measurement at 25 °C. What is the density of the liquid shown at the same temperature?

How many calories of are required to heat 731 grams of water from 35°C to 83°C? (Assume that the specific heat of water is 1.00 cal/g·°C).

Which of the following is the smallest number?

If a 1.000 L bottle of champagne cost 134 Euros and the exchange rate is 1 Euro = $1.33 (US), what is the cost in dollars for 8.000 fluid ounces of this champagne? [1 fluid ounce = 29.57 mL]

Which of the following is a chemical property of water?

Dry ice is called dry ice because it passes directly from the solid state to the gaseous state (sublimes) under normal atmospheric conditions. Which of the following occurs during this transformation?

In determining the density of a liquid, the following measurement was made. How many significant figures are shown in this measurement?

The dimensions of a piece of wood are 2.8 meters x 14 cm x 120 mm. What is the volume of this piece of wood?

Which of the following is the definition of the calorie?

Given the calculation: 17.72 - 4.232 - 9.1 = ?, what is the answer reported to the correct number of significant figures?

The area of Europe is 1.05 × 107 km2. Which of the following shapes has an area most nearly equal to the area of Europe? [1 mile = 1.609 km]

Mercury is the only metal which is a liquid at room temperature. The density of mercury is 13.6 g/cm3. What is the mass, in pounds, of 1.00 quart of mercury? [1 liter = 1.057 quart; 1 pound = 453.6 grams]

In Europe the area of apartments are typically given in square meters (m2). If the area of an American apartment is 9.0 × 102 ft2, a Paris apartment with which of the following areas most closely has the same area as the New York apartment? [1 meter = 1.094 yards]

Given the calculation: 4.877 + 12.87 + 9.19 = ?, what is the answer reported to the correct number of significant figures?

What is the mass of a quarter pound hamburger, expressed in the metric system? [1 pound = 453.6 grams]

Daytime temperatures in a desert can reach 45.0°C. What is this temperature on the Fahrenheit temperature scale?

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Given the calculation: (6.49 × 10 ⁷) × (7.1 × 10 ⁵) = ?, what is the answer reported to the correct number of significant figures?

The area of Europe is 1.05 × 10⁷ km². Which of the following shapes has an area most nearly equal to the area of Europe? [1 mile = 1.609 km]

Mercury is the only metal which is a liquid at room temperature. The density of mercury is 13.6 g/cm³. What is the mass, in pounds, of 1.00 quart of mercury? [1 liter = 1.057 quart; 1 pound = 453.6 grams]

In Europe the area of apartments are typically given in square meters (m²). If the area of an American apartment is 9.0 × 10² ft², a Paris apartment with which of the following areas most closely has the same area as the New York apartment? [1 meter = 1.094 yards]