Question 1

Which of the following diagrams illustrates an exothermic reaction?

Accepted Answer

A)  I and III 
B)  II and III 
C)  I and II 
D)  I only 
E)  II only 
A)  I and III 
B)  II and III 
C)  I and II 
D)  I only 
E)  II only

Question 2

Which of the following reactions absorbs heat?

Accepted Answer

A)  diagram a 
B)  diagram b 
C)  diagram c 
D)  diagram d 
E)  diagram e 
A)  diagram a 
B)  diagram b 
C)  diagram c 
D)  diagram d 
E)  diagram e

Question 3

Increasing the temperature of an exothermic reaction at equilibrium results in

Accepted Answer

A)  a shift to the right. 
B)  a shift to the left. 
C)  products being produced more quickly. 
D)  reactants being used up more quickly. 
E)  Both c and d are correct. 
A)  a shift to the right. 
B)  a shift to the left. 
C)  products being produced more quickly. 
D)  reactants being used up more quickly. 
E)  Both c and d are correct.

Question 4

During anabolism, heat is absorbed.What does the absorption of heat tell us about the relative energies of the starting small molecules and products of anabolism?

Accepted Answer

A)  The products are lower energy than the reactants. 
B)  The reactants and products must be the same energy. 
C)  There is no consistent relationship between heat and the relative energies of the small molecules. 
D)  The reactants are lower energy than the products. 
E)  Actually, heat is not absorbed during anabolism. 
A)  The products are lower energy than the reactants. 
B)  The reactants and products must be the same energy. 
C)  There is no consistent relationship between heat and the relative energies of the small molecules. 
D)  The reactants are lower energy than the products. 
E)  Actually, heat is not absorbed during anabolism.

Question 5

Which of the following reactions releases the most heat?

Accepted Answer

A)  diagram a 
B)  diagram b 
C)  diagram c 
D)  diagram d 
E)  diagram e 
A)  diagram a 
B)  diagram b 
C)  diagram c 
D)  diagram d 
E)  diagram e

Question 6

The SI unit of energy is the

Accepted Answer

A)  calorie. 
B)  Calorie or kcal. 
C)  joule. 
D)  thermal unit. 
E)  heat of reaction. 
A)  calorie. 
B)  Calorie or kcal. 
C)  joule. 
D)  thermal unit. 
E)  heat of reaction.

Question 7

How many joules of energy are contained in 350 cal?

Accepted Answer

A)  350 J 
B)  1,500 J 
C)  1,466.2 J 
D)  84 J 
E)  83.65 J 
A)  350 J 
B)  1,500 J 
C)  1,466.2 J 
D)  84 J 
E)  83.65 J

Which of the following diagrams illustrates an exothermic reaction?

Which of the following reactions absorbs heat?

Increasing the temperature of an exothermic reaction at equilibrium results in

During anabolism, heat is absorbed.What does the absorption of heat tell us about the relative energies of the starting small molecules and products of anabolism?

Which of the following reactions releases the most heat?

The SI unit of energy is the

How many joules of energy are contained in 350 cal?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

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Exam 6: Chemical Reactions: Energy, Rates, and Equilibrium

Which of the following diagrams illustrates an exothermic reaction?

Which of the following reactions absorbs heat?

Increasing the temperature of an exothermic reaction at equilibrium results in

During anabolism, heat is absorbed.What does the absorption of heat tell us about the relative energies of the starting small molecules and products of anabolism?

Which of the following reactions releases the most heat?

The SI unit of energy is the

How many joules of energy are contained in 350 cal?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters