Question 1

Which of the following would not be a physical change?

Accepted Answer

A) freezing water to make ice cubes 
B) tearing a piece of aluminum foil 
C) boiling water for soup 
D) burning gasoline in a lawnmower 
E) melting gold to make jewelry 
A) freezing water to make ice cubes 
B) tearing a piece of aluminum foil 
C) boiling water for soup 
D) burning gasoline in a lawnmower 
E) melting gold to make jewelry

Question 2

The formation of a gas resulting from the escape of high-energy particles from the surface of a liquid is known as ________.

Accepted Answer

A) evaporation 
B) deposition 
C) boiling 
D) melting 
E) sublimation 
A) evaporation 
B) deposition 
C) boiling 
D) melting 
E) sublimation

Question 3

As heat is removed from a solid,its temperature decreases.

Accepted Answer

A) True 
 B)False

Question 4

If the temperature is 20.°C,what is the corresponding temperature on the Fahrenheit scale?

Accepted Answer

A) -22 °F 
B) 68 °F 
C) 43 °F 
D) 239 °F 
E) 94 °F 
A) -22 °F 
B) 68 °F 
C) 43 °F 
D) 239 °F 
E) 94 °F

Question 5

The degree Celsius is a unit of energy.

Accepted Answer

A) True 
 B)False

Question 6

The temperature of liquid nitrogen is -196 °C.What is the corresponding reading on the Kelvin scale?

Accepted Answer

A) 77 K 
B) -127 K 
C) -91 K 
D) 48 K 
E) 146 K 
A) 77 K 
B) -127 K 
C) -91 K 
D) 48 K 
E) 146 K

Question 7

The dietary calorie(Cal)is equal to ________.

Accepted Answer

A) 1000 kcal 
B) 1000 cal 
C) 100 cal 
D) 10 cal 
E) 1 cal 
A) 1000 kcal 
B) 1000 cal 
C) 100 cal 
D) 10 cal 
E) 1 cal

Question 8

Match between columns
                        Premises: D
E
C
B
A

Accepted Answer

The Answer of liquid and solid and solid and gas is...

Question 9

A 12-g sample of cooking oil,which is a fat,contains ________ kcal.

Accepted Answer

The answer of A 12-g sample of cooking oil,which is...

Question 10

Condensation occurs when a liquid is converted to a solid.

Accepted Answer

A) True 
 B)False

Question 11

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 12

The heat of vaporization for water is 540 cal/g.How many kilocalories are needed to change 22 g of liquid water to steam at

Accepted Answer

A) 540 kcal 
B) 12 kcal 
C) 12000 kcal 
D) 25 kcal 
E) 1.8 kcal 
A) 540 kcal 
B) 12 kcal 
C) 12000 kcal 
D) 25 kcal 
E) 1.8 kcal

Question 13

The number of calories needed to raise the temperature of 32 g of water from   ________.

Accepted Answer

A) 380 cal 
B) 1.3 cal 
C) 1300 cal 
D) 1700 cal 
E) 0.76 cal 
A) 380 cal 
B) 1.3 cal 
C) 1300 cal 
D) 1700 cal 
E) 0.76 cal

Question 14

Which of the following is a heterogeneous mixture?

Accepted Answer

A) noodle soup 
B) water 
C) sugar 
D) tea 
E) carbon 
A) noodle soup 
B) water 
C) sugar 
D) tea 
E) carbon

Question 15

Iron rusting is a chemical change.

Accepted Answer

A) True 
 B)False

Question 16

Bromine   )has a freezing point of -7 °C,and a boiling point of 60 °C.
Indicate the state present or the change of state occurring at each temperature.
-30 °C

Accepted Answer

The answer of Bromine   )has a freezing point...

Question 17

650.J is the same amount of energy as ________.

Accepted Answer

A) 155 cal 
B) 2720 cal 
C) 650.cal 
D) 1550 cal 
E) 2.72 cal 
A) 155 cal 
B) 2720 cal 
C) 650.cal 
D) 1550 cal 
E) 2.72 cal

Question 18

The heat of fusion is greater than the heat of vaporization.

Accepted Answer

A) True 
 B)False

Question 19

If the heat of vaporization for water is 540 cal/g,how many kilocalories are released when 5.00 g of steam is converted to liquid at

Accepted Answer

A) 540 kcal 
B) 5.0 kcal 
C) 110 kcal 
D) 2.7 kcal 
E) 5.4 kcal 
A) 540 kcal 
B) 5.0 kcal 
C) 110 kcal 
D) 2.7 kcal 
E) 5.4 kcal

Question 20

A kilocalorie of heat is required to raise the temperature of ________.

Accepted Answer

A) 1 g of water from 14 °C to 15 °C 
B) 1 g of water by 10 °C 
C) 10 g of water by 10 °C 
D) 100 g of water by 10 °C 
E) 100 g of water by 100 °C 
A) 1 g of water from 14 °C to 15 °C 
B) 1 g of water by 10 °C 
C) 10 g of water by 10 °C 
D) 100 g of water by 10 °C 
E) 100 g of water by 100 °C

Which of the following would not be a physical change?

The formation of a gas resulting from the escape of high-energy particles from the surface of a liquid is known as ________.

As heat is removed from a solid,its temperature decreases.

If the temperature is 20.°C,what is the corresponding temperature on the Fahrenheit scale?

The degree Celsius is a unit of energy.

The temperature of liquid nitrogen is -196 °C.What is the corresponding reading on the Kelvin scale?

The dietary calorie(Cal)is equal to ________.

A 12-g sample of cooking oil,which is a fat,contains ________ kcal.

Condensation occurs when a liquid is converted to a solid.

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

The heat of vaporization for water is 540 cal/g.How many kilocalories are needed to change 22 g of liquid water to steam at

The number of calories needed to raise the temperature of 32 g of water from ________.

Which of the following is a heterogeneous mixture?

Iron rusting is a chemical change.

Bromine )has a freezing point of -7 °C,and a boiling point of 60 °C. Indicate the state present or the change of state occurring at each temperature. -30 °C

650.J is the same amount of energy as ________.

The heat of fusion is greater than the heat of vaporization.

If the heat of vaporization for water is 540 cal/g,how many kilocalories are released when 5.00 g of steam is converted to liquid at

A kilocalorie of heat is required to raise the temperature of ________.

Chemistry in Our Lives

Chemistry and Measurement

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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Exam 3: Matter and Energy

Which of the following would not be a physical change?

The formation of a gas resulting from the escape of high-energy particles from the surface of a liquid is known as ________.

As heat is removed from a solid,its temperature decreases.

If the temperature is 20.°C,what is the corresponding temperature on the Fahrenheit scale?

The degree Celsius is a unit of energy.

The temperature of liquid nitrogen is -196 °C.What is the corresponding reading on the Kelvin scale?

The dietary calorie(Cal)is equal to ________.

A 12-g sample of cooking oil,which is a fat,contains ________ kcal.

Condensation occurs when a liquid is converted to a solid.

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

The heat of vaporization for water is 540 cal/g.How many kilocalories are needed to change 22 g of liquid water to steam at

The number of calories needed to raise the temperature of 32 g of water from ________.

Which of the following is a heterogeneous mixture?

Iron rusting is a chemical change.

Bromine )has a freezing point of -7 °C,and a boiling point of 60 °C. Indicate the state present or the change of state occurring at each temperature. -30 °C

650.J is the same amount of energy as ________.

The heat of fusion is greater than the heat of vaporization.

If the heat of vaporization for water is 540 cal/g,how many kilocalories are released when 5.00 g of steam is converted to liquid at

A kilocalorie of heat is required to raise the temperature of ________.

Chemistry in Our Lives

Chemistry and Measurement

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters