Question 1

The energy of motion is referred to as ________.

Accepted Answer

A) work 
B) freezing 
C) specific heat 
D) potential energy 
E) kinetic energy 
A) work 
B) freezing 
C) specific heat 
D) potential energy 
E) kinetic energy

Question 2

The specific heat of copper is 0.0920 cal/g °C,and the specific heat of silver is   If 100 cal of heat is added to one g of each metal at 25 °C,what is the expected result?

Accepted Answer

A) The copper will reach a higher temperature. 
B) The silver will reach a higher temperature. 
C) The two samples will reach the same temperature. 
D) The copper will reach a temperature lower than 25 °C. 
E) The silver will soften. 
A) The copper will reach a higher temperature. 
B) The silver will reach a higher temperature. 
C) The two samples will reach the same temperature. 
D) The copper will reach a temperature lower than 25 °C. 
E) The silver will soften.

Question 3

The temperature at which water melts and freezes is the same.

Accepted Answer

A) True 
 B)False

Question 4

Steam at 100 °C contains the same amount of heat as liquid water at 100 °C.

Accepted Answer

A) True 
 B)False

Question 5

Which one of the following properties describes a liquid?

Accepted Answer

A) has its own shape 
B) particles are close together and move randomly 
C) particles move very rapidly 
D) fills the entire volume of the container 
E) There is essentially no interaction between the particles. 
A) has its own shape 
B) particles are close together and move randomly 
C) particles move very rapidly 
D) fills the entire volume of the container 
E) There is essentially no interaction between the particles.

Question 6

Water vapor is a gas.

Accepted Answer

A) True 
 B)False

Question 7

Ice melting is a chemical change.

Accepted Answer

A) True 
 B)False

Question 8

A patient has a temperature of 38.5 °C.What is the temperature in degrees Fahrenheit?

Accepted Answer

A) 70.5 °F 
B) 311 °F 
C) 126.9 °F 
D) 101.3 °F 
E) 11.7 °F 
A) 70.5 °F 
B) 311 °F 
C) 126.9 °F 
D) 101.3 °F 
E) 11.7 °F

Question 9

Which of the following is not an element?

Accepted Answer

A) tin 
B) water 
C) gold 
D) silver 
E) carbon 
A) tin 
B) water 
C) gold 
D) silver 
E) carbon

Question 10

The heat of fusion for water is 80.cal/g.How many calories of heat are released when 20.0 g of water at   is frozen to ice?

Accepted Answer

A) 620 cal 
B) 1600 cal 
C) 2000 cal 
D) 2200 cal 
E) 0 cal 
A) 620 cal 
B) 1600 cal 
C) 2000 cal 
D) 2200 cal 
E) 0 cal

Question 11

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 12

Which of the following does not represent a step on the heating curve of water?

Accepted Answer

A) The temperature of steam cannot exceed 100 °C. 
B) The temperature of ice remains at 0 °C as it melts. 
C) The temperature of liquid water increases linearly as it is heated. 
D) The temperature of liquid water remains at 100 °C as it boils. 
E) Both liquid water and ice are present at 0 °C. 
A) The temperature of steam cannot exceed 100 °C. 
B) The temperature of ice remains at 0 °C as it melts. 
C) The temperature of liquid water increases linearly as it is heated. 
D) The temperature of liquid water remains at 100 °C as it boils. 
E) Both liquid water and ice are present at 0 °C.

Question 13

A liquid has its own volume and shape.

Accepted Answer

A) True 
 B)False

Question 14

A cheeseburger from a fast food restaurant contains 19 g of fat,20 g of carbohydrate,and 28 g of protein.How many kcal of energy does the cheeseburger contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.)Give the answer to 2 significant figures.

Accepted Answer

A) 70.kcal 
B) 360 kcal 
C) 17 kcal 
D) 630 kcal 
E) 280 kcal 
A) 70.kcal 
B) 360 kcal 
C) 17 kcal 
D) 630 kcal 
E) 280 kcal

Question 15

Air is an example of a ________ mixture.

Accepted Answer

The answer of Air is an example of a ________...

Question 16

Air is a heterogeneous mixture.

Accepted Answer

A) True 
 B)False

Question 17

A bungee jumper just before she leaps,has ________ energy.

Accepted Answer

The answer of A bungee jumper just before she leaps,has...

Question 18

One cup of kidney beans contains 15 g of protein,1 g of fat,and 42 g of carbohydrate.How many kilocalories,to two significant figures,does this sample contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.)

Accepted Answer

A) 60.kcal 
B) 88 kcal 
C) 230 kcal 
D) 240 kcal 
E) 520 kcal 
A) 60.kcal 
B) 88 kcal 
C) 230 kcal 
D) 240 kcal 
E) 520 kcal

Question 19

A potato contains 20 g of carbohydrate.If carbohydrate has a caloric value of 4 kcal/g,how many kcal are obtained from the carbohydrate in the potato?

Accepted Answer

A) 5 kcal 
B) 20 kcal 
C) 40 kcal 
D) 60 kcal 
E) 80 kcal 
A) 5 kcal 
B) 20 kcal 
C) 40 kcal 
D) 60 kcal 
E) 80 kcal

Question 20

Carbohydrates and proteins have the same caloric value per gram.

Accepted Answer

A) True 
 B)False

The energy of motion is referred to as ________.

The specific heat of copper is 0.0920 cal/g °C,and the specific heat of silver is If 100 cal of heat is added to one g of each metal at 25 °C,what is the expected result?

The temperature at which water melts and freezes is the same.

Steam at 100 °C contains the same amount of heat as liquid water at 100 °C.

Which one of the following properties describes a liquid?

Water vapor is a gas.

Ice melting is a chemical change.

A patient has a temperature of 38.5 °C.What is the temperature in degrees Fahrenheit?

Which of the following is not an element?

The heat of fusion for water is 80.cal/g.How many calories of heat are released when 20.0 g of water at is frozen to ice?

A heating curve illustrates ________.

Which of the following does not represent a step on the heating curve of water?

A liquid has its own volume and shape.

A cheeseburger from a fast food restaurant contains 19 g of fat,20 g of carbohydrate,and 28 g of protein.How many kcal of energy does the cheeseburger contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.)Give the answer to 2 significant figures.

Air is an example of a ________ mixture.

Air is a heterogeneous mixture.

A bungee jumper just before she leaps,has ________ energy.

One cup of kidney beans contains 15 g of protein,1 g of fat,and 42 g of carbohydrate.How many kilocalories,to two significant figures,does this sample contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.)

A potato contains 20 g of carbohydrate.If carbohydrate has a caloric value of 4 kcal/g,how many kcal are obtained from the carbohydrate in the potato?

Carbohydrates and proteins have the same caloric value per gram.

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Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

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Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

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Carboxylic Acids, Esters, Amines, and Amides

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Exam 3: Matter and Energy

The energy of motion is referred to as ________.

The specific heat of copper is 0.0920 cal/g °C,and the specific heat of silver is If 100 cal of heat is added to one g of each metal at 25 °C,what is the expected result?

The temperature at which water melts and freezes is the same.

Steam at 100 °C contains the same amount of heat as liquid water at 100 °C.

Which one of the following properties describes a liquid?

Water vapor is a gas.

Ice melting is a chemical change.

A patient has a temperature of 38.5 °C.What is the temperature in degrees Fahrenheit?

Which of the following is not an element?

The heat of fusion for water is 80.cal/g.How many calories of heat are released when 20.0 g of water at is frozen to ice?

A heating curve illustrates ________.

Which of the following does not represent a step on the heating curve of water?

A liquid has its own volume and shape.

A cheeseburger from a fast food restaurant contains 19 g of fat,20 g of carbohydrate,and 28 g of protein.How many kcal of energy does the cheeseburger contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.)Give the answer to 2 significant figures.

Air is an example of a ________ mixture.

Air is a heterogeneous mixture.

A bungee jumper just before she leaps,has ________ energy.

One cup of kidney beans contains 15 g of protein,1 g of fat,and 42 g of carbohydrate.How many kilocalories,to two significant figures,does this sample contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.)

A potato contains 20 g of carbohydrate.If carbohydrate has a caloric value of 4 kcal/g,how many kcal are obtained from the carbohydrate in the potato?

Carbohydrates and proteins have the same caloric value per gram.

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