Question 1

If the temperature is - 55 °C, what is the corresponding temperature on the Kelvin scale?

Accepted Answer

A) 225 K 
B) 218 K 
C) 55 K 
D) 273 K 
E) 328 K 
A) 225 K 
B) 218 K 
C) 55 K 
D) 273 K 
E) 328 K B

Question 2

An example of kinetic energy is

Accepted Answer

A) a coiled spring. 
B) running water. 
C) a tree. 
D) natural gas. 
E) chemical energy. 
A) a coiled spring. 
B) running water. 
C) a tree. 
D) natural gas. 
E) chemical energy. B

Question 3

A solid has a constant shape and volume.

Accepted Answer

A) True 
 B)False  True

Question 4

A mixture which has uniform properties is a ________ mixture.

Accepted Answer

The answer of A mixture which has uniform properties is...

Question 5

On a hot day, the thermometer read 95 °F. What is the temperature in degrees Celsius?

Accepted Answer

A) 77 °C 
B) 113 °C 
C) 35 °C 
D) 63 °C 
E) 178 °C 
A) 77 °C 
B) 113 °C 
C) 35 °C 
D) 63 °C 
E) 178 °C

Question 6

A temperature of 41 °F is the same as

Accepted Answer

A) 5 °C. 
B) 310 °C. 
C) -9 °C. 
D) 16 °C. 
E) 42 °C. 
A) 5 °C. 
B) 310 °C. 
C) -9 °C. 
D) 16 °C. 
E) 42 °C.

Question 7

The phrase "ability to do work" is a definition of

Accepted Answer

A) specific heat. 
B) energy. 
C) calorie. 
D) heating. 
E) cooling. 
A) specific heat. 
B) energy. 
C) calorie. 
D) heating. 
E) cooling.

Question 8

The energy in chemical bonds is kinetic energy.

Accepted Answer

A) True 
 B)False

Question 9

The energy of motion is called ________ energy.

Accepted Answer

The answer of The energy of motion is called ________...

Question 10

Air is a(n)

Accepted Answer

A) compound. 
B) heterogeneous mixture. 
C) element. 
D) homogeneous mixture. 
E) None of the above. 
A) compound. 
B) heterogeneous mixture. 
C) element. 
D) homogeneous mixture. 
E) None of the above.

Question 11

The number of calories needed to raise the temperature of 32 g of water from 12 °C to 54 °C is

Accepted Answer

A) 384 cal. 
B) 1.3 cal. 
C) 1300 cal. 
D) 1700 cal. 
E) 0.76 cal. 
A) 384 cal. 
B) 1.3 cal. 
C) 1300 cal. 
D) 1700 cal. 
E) 0.76 cal.

Question 12

The dietary calorie (Cal) is equal to

Accepted Answer

A) 1000 kilocalories. 
B) 1000 calories. 
C) 100 calories. 
D) 10 calories. 
E) 1 calorie. 
A) 1000 kilocalories. 
B) 1000 calories. 
C) 100 calories. 
D) 10 calories. 
E) 1 calorie.

Question 13

A heating curve illustrates

Accepted Answer

A) what a substance looks like as it is heated. 
B) what happens to the particles of a substance as it is heated. 
C) what happens to the heat applied as the temperature is increased. 
D) the changes in the temperature and physical state of a substance as it is heated. 
E) the chemical changes that occur as the substance is heated. 
A) what a substance looks like as it is heated. 
B) what happens to the particles of a substance as it is heated. 
C) what happens to the heat applied as the temperature is increased. 
D) the changes in the temperature and physical state of a substance as it is heated. 
E) the chemical changes that occur as the substance is heated.

Question 14

Gold in a wedding ring is a(n)

Accepted Answer

A) compound. 
B) heterogeneous mixture. 
C) element. 
D) homogeneous mixture. 
E) None of the above. 
A) compound. 
B) heterogeneous mixture. 
C) element. 
D) homogeneous mixture. 
E) None of the above.

Question 15

Gold is an element.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is an example of a physical change?

Accepted Answer

A) grinding coffee beans 
B) baking a cake 
C) converting water to hydrogen and oxygen 
D) digesting a cheeseburger 
E) burning coal 
A) grinding coffee beans 
B) baking a cake 
C) converting water to hydrogen and oxygen 
D) digesting a cheeseburger 
E) burning coal

Question 17

How many calories are required to raise the temperature of a 35.0 g sample of iron from 25 °C to 35 °C? Iron has a specific heat of 0.108 cal/g °C.

Accepted Answer

A) 38 cal 
B) 1.1 cal 
C) 3.8 cal 
D) 93 cal 
E) 130 cal 
A) 38 cal 
B) 1.1 cal 
C) 3.8 cal 
D) 93 cal 
E) 130 cal

Question 18

Water vapor is a gas.

Accepted Answer

A) True 
 B)False

Question 19

The primary substances of which all other things are composed are

Accepted Answer

A) molecules. 
B) compounds. 
C) elements. 
D) electrons. 
E) protons. 
A) molecules. 
B) compounds. 
C) elements. 
D) electrons. 
E) protons.

Question 20

A color of a substance is an example of a ________ property.

Accepted Answer

The answer of A color of a substance is an...

Exam 3: Energy and Matter

If the temperature is - 55 °C, what is the corresponding temperature on the Kelvin scale?

An example of kinetic energy is

A solid has a constant shape and volume.

A mixture which has uniform properties is a ________ mixture.

On a hot day, the thermometer read 95 °F. What is the temperature in degrees Celsius?

A temperature of 41 °F is the same as

The phrase "ability to do work" is a definition of

The energy in chemical bonds is kinetic energy.

The energy of motion is called ________ energy.

Air is a(n)

The number of calories needed to raise the temperature of 32 g of water from 12 °C to 54 °C is

The dietary calorie (Cal) is equal to

A heating curve illustrates

Gold in a wedding ring is a(n)

Gold is an element.

Which of the following is an example of a physical change?

How many calories are required to raise the temperature of a 35.0 g sample of iron from 25 °C to 35 °C? Iron has a specific heat of 0.108 cal/g °C.

Water vapor is a gas.

The primary substances of which all other things are composed are

A color of a substance is an example of a ________ property.

Chemistry in Our Lives

Chemistry and Measurements

Atoms

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

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