Question 1

What is the equation for the conversion of Celsius temperatures to Kelvin temperatures?

Accepted Answer

The answer of What is the equation for the conversion...

Question 2

You prepare 1000. mL of tea and transfer it to a 1.00 quart pitcher for storage. Which of the following statements is true? (1 L = 1.0567 qt)

Accepted Answer

A)  The pitcher will be filled to 100% of its capacity with no tea spilled. 
B)  The pitcher will be filled to about 95% of its capacity. 
C)  The pitcher will be filled to about 50% of its capacity. 
D)  The pitcher will be completely filled and a small amount of tea will overflow. 
E)  The pitcher will be completely filled and most of the tea will overflow. 
A)  The pitcher will be filled to 100% of its capacity with no tea spilled. 
B)  The pitcher will be filled to about 95% of its capacity. 
C)  The pitcher will be filled to about 50% of its capacity. 
D)  The pitcher will be completely filled and a small amount of tea will overflow. 
E)  The pitcher will be completely filled and most of the tea will overflow.

Question 3

Give examples of three physical properties.

Accepted Answer

(Answers will vary.)

Question 4

The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees Fahrenheit?

Accepted Answer

A)  -127°F 
B)  -289°F 
C)  -321°F 
D)  177°F 
E)  662°F 
A)  -127°F 
B)  -289°F 
C)  -321°F 
D)  177°F 
E)  662°F

Question 5

There are 58 counties in California and about 660,000 people in each county. How many million people live in California?

Accepted Answer

A)  383 million people 
B)  38 million people 
C)  40 million people 
D)  58 million people 
E)  11 million people 
A)  383 million people 
B)  38 million people 
C)  40 million people 
D)  58 million people 
E)  11 million people

Question 6

The density of a substance is an intensive property.

Accepted Answer

A) True 
 B)False

Question 7

The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium?

Accepted Answer

A)  0.10 g 
B)  0.14 g 
C)  1.2 g 
D)  10. g 
E)  14 g 
A)  0.10 g 
B)  0.14 g 
C)  1.2 g 
D)  10. g 
E)  14 g

Question 8

Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to

Accepted Answer

A)  16.4 in3. 
B)  6.45 in3. 
C)  0.394 in3. 
D)  0.155 in3. 
E)  0.0610 in3. 
A)  16.4 in3. 
B)  6.45 in3. 
C)  0.394 in3. 
D)  0.155 in3. 
E)  0.0610 in3.

Question 9

Acetic acid boils at 244.2°F. What is its boiling point in degrees Celsius?

Accepted Answer

A)  382.0°C 
B)  167.7°C 
C)  153.4°C 
D)  117.9°C 
E)  103.7°C 
A)  382.0°C 
B)  167.7°C 
C)  153.4°C 
D)  117.9°C 
E)  103.7°C

Question 10

How many cubic inches are in 1.00 liter? (1 in = 2.54 cm)

Accepted Answer

A)  61.0 in3 
B)  155 in3 
C)  394 in3 
D)  1.64 × 104 in3 
E)  none of them 
A)  61.0 in3 
B)  155 in3 
C)  394 in3 
D)  1.64 × 104 in3 
E)  none of them

Question 11

Which of the following is an example of an observation?

Accepted Answer

A)  Gases expand as their temperature increases because the gas molecules are moving more rapidly. 
B)  Paraffin wax begins to melt at 57°C. 
C)  Three samples of wax are heated to 75°C. 
D)  The force acting on an object is equal to its mass times its acceleration. 
E)  Will all waxes melt at the same temperature? 
A)  Gases expand as their temperature increases because the gas molecules are moving more rapidly. 
B)  Paraffin wax begins to melt at 57°C. 
C)  Three samples of wax are heated to 75°C. 
D)  The force acting on an object is equal to its mass times its acceleration. 
E)  Will all waxes melt at the same temperature?

Question 12

A dose of medication was prescribed to be 35 microliters. Which of the following expresses that volume in centiliters?

Accepted Answer

A)  3.5 × 105 cL 
B)  3.5 × 104 cL 
C)  3.5 cL 
D)  3.5 × 10-4 cL 
E)  3.5 × 10-3 cL 
A)  3.5 × 105 cL 
B)  3.5 × 104 cL 
C)  3.5 cL 
D)  3.5 × 10-4 cL 
E)  3.5 × 10-3 cL

Question 13

Which of the following speeds is the greatest? (1 mi = 1609 m)

Accepted Answer

A)  40 mi/h 
B)  2.0 × 105 mm/min 
C)  40 km/h 
D)  0.74 km/min 
E)  400 m/min 
A)  40 mi/h 
B)  2.0 × 105 mm/min 
C)  40 km/h 
D)  0.74 km/min 
E)  400 m/min

Question 14

Walking fast can consume 5.0 kcal per minute. How many hours of exercise are required to consume 450 kcal, the energy in a large candy bar?

Accepted Answer

A)  7.5 hr 
B)  1.25 hr 
C)  1.75 hr 
D)  1.5 hr 
E)  1 hr 
A)  7.5 hr 
B)  1.25 hr 
C)  1.75 hr 
D)  1.5 hr 
E)  1 hr

Question 15

Give an example of an extensive property.

Accepted Answer

(Answers w

Question 16

The ripening of fruit, once picked, is an example of physical change.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following activities is not a part of good science?

Accepted Answer

A)  Proposing a theory 
B)  Developing a hypothesis 
C)  Making quantitative observations 
D)  Designing experiments 
E)  Indulging in speculation 
A)  Proposing a theory 
B)  Developing a hypothesis 
C)  Making quantitative observations 
D)  Designing experiments 
E)  Indulging in speculation

Question 18

If the temperature is 38.0°F then what is the temperature in kelvins?

Accepted Answer

A)  3.33 K 
B)  100.4 K 
C)  276.5 K 
D)  311.15 K 
E)  235.15 K 
A)  3.33 K 
B)  100.4 K 
C)  276.5 K 
D)  311.15 K 
E)  235.15 K

Question 19

If normal body temperature is 98.6°F then what is this in degrees Celsius?

Accepted Answer

A)  34°C 
B)  35.5°C 
C)  36.4°C 
D)  37.0°C 
E)  38.7°C 
A)  34°C 
B)  35.5°C 
C)  36.4°C 
D)  37.0°C 
E)  38.7°C

Question 20

Radio waves travel at the speed of light, which is 3.00 × 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 × 108 km from Earth?

Accepted Answer

A)  4.4 × 10-2 min 
B)  1.6 × 105 min 
C)  4.0 × 1015 min 
D)  44 min 
E)  2.6 min 
A)  4.4 × 10-2 min 
B)  1.6 × 105 min 
C)  4.0 × 1015 min 
D)  44 min 
E)  2.6 min

Exam 1: Chemistry: the Central Science

What is the equation for the conversion of Celsius temperatures to Kelvin temperatures?

You prepare 1000. mL of tea and transfer it to a 1.00 quart pitcher for storage. Which of the following statements is true? (1 L = 1.0567 qt)

Give examples of three physical properties.

The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees Fahrenheit?

There are 58 counties in California and about 660,000 people in each county. How many million people live in California?

The density of a substance is an intensive property.

The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium?

Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to

Acetic acid boils at 244.2°F. What is its boiling point in degrees Celsius?

How many cubic inches are in 1.00 liter? (1 in = 2.54 cm)

Which of the following is an example of an observation?

A dose of medication was prescribed to be 35 microliters. Which of the following expresses that volume in centiliters?

Which of the following speeds is the greatest? (1 mi = 1609 m)

Walking fast can consume 5.0 kcal per minute. How many hours of exercise are required to consume 450 kcal, the energy in a large candy bar?

Give an example of an extensive property.

The ripening of fruit, once picked, is an example of physical change.

Which of the following activities is not a part of good science?

If the temperature is 38.0°F then what is the temperature in kelvins?

If normal body temperature is 98.6°F then what is this in degrees Celsius?

Radio waves travel at the speed of light, which is 3.00 × 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 × 108 km from Earth?

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

Given that 1 inch = 2.54 cm, 1.00 cm³ is equal to

Radio waves travel at the speed of light, which is 3.00 × 10⁸ m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 × 10⁸ km from Earth?