Question 1

How do catalysts function in a reaction?

Accepted Answer

A) By speeding up the collisions of particles 
B) By lowering the activation energy of the reaction 
C) By combining with the products 
D) None of the above 
A) By speeding up the collisions of particles 
B) By lowering the activation energy of the reaction 
C) By combining with the products 
D) None of the above

Question 2

What is collision theory?

Accepted Answer

A model of how chemi

Question 3

What is the rate of H2 formation, when compared to the rate of H2O decomposition, according to the equation 2 H2O → 2 H2 + O2?

Accepted Answer

Question 4

How will the reaction of 0.5 M HCl and 0.5 M KOH proceed when compared to the same reaction utilizing 0.2 M solutions?

Accepted Answer

A) The initial rate of reaction should be faster. 
B) The initial rate of the reaction should be slower. 
C) The final reaction rate should be faster. 
D) There should be no difference. 
A) The initial rate of reaction should be faster. 
B) The initial rate of the reaction should be slower. 
C) The final reaction rate should be faster. 
D) There should be no difference.

Question 5

If a reaction rate doubles when the reactant concentration doubles, even when catalyzed by an enzyme, what type of reaction is it?

Accepted Answer

A) A neutralization 
B) Zero order 
C) First order 
D) An oxidation 
A) A neutralization 
B) Zero order 
C) First order 
D) An oxidation

Question 6

What must high-energy, colliding particles also have to form products?

Accepted Answer

The answer of What must high-energy, colliding particles also have...

Question 7

What does a catalyst provide for two reactants, on a molecular level?

Accepted Answer

A) An accelerant 
B) A biphase at which the two materials can align 
C) An alternate pathway and site for the reactants to meet and form products 
D) None of the above, as catalysts do nothing at the molecular level 
A) An accelerant 
B) A biphase at which the two materials can align 
C) An alternate pathway and site for the reactants to meet and form products 
D) None of the above, as catalysts do nothing at the molecular level

Question 8

What about an insect is dependent upon temperature?

Accepted Answer

A) Its activity level 
B) Its growth rate 
C) Both of the above 
D) None of the above 
A) Its activity level 
B) Its growth rate 
C) Both of the above 
D) None of the above

Question 9

What is the general aim of green chemistry?

Accepted Answer

A) Reduce pollution. 
B) Use benign materials. 
C) Minimize energy use in creating products. 
D) All of the above. 
A) Reduce pollution. 
B) Use benign materials. 
C) Minimize energy use in creating products. 
D) All of the above.

Question 10

If a radioactive material decomposes with a half-life of 2 days, how much of a 16-gram sample will remain after 10 days?

Accepted Answer

A) 4.0 grams 
B) 2.0 grams 
C) 1.0 grams 
D) 0.5 grams 
A) 4.0 grams 
B) 2.0 grams 
C) 1.0 grams 
D) 0.5 grams

Question 11

In the energy diagram for an endothermic reaction, what will be the only difference between the catalyzed and uncatalyzed plot of the reaction?

Accepted Answer

A) The product's energy will be higher for the uncatalyzed plot. 
B) The energy of activation will be higher for the uncatalyzed plot. 
C) The energy of activation will be lower for the uncatalyzed plot. 
D) The product's energy will be lower for the uncatalyzed plot. 
A) The product's energy will be higher for the uncatalyzed plot. 
B) The energy of activation will be higher for the uncatalyzed plot. 
C) The energy of activation will be lower for the uncatalyzed plot. 
D) The product's energy will be lower for the uncatalyzed plot.

Question 12

What kind of drug is ibuprofen?

Accepted Answer

The answer of What kind of drug is ibuprofen?...

Question 13

If a 250-mg pill has been consumed so that only 31 mg remains after 24 hours, what is the medication's half-life?

Accepted Answer

A) 8 hours 
B) 4 hours 
C) 6 hours 
D) 3 hours 
A) 8 hours 
B) 4 hours 
C) 6 hours 
D) 3 hours

Question 14

How are heterogeneous catalysts separated from a reaction's products?

Accepted Answer

A) Chromatographically 
B) Distillation 
C) Filtration 
D) They are not separated. 
A) Chromatographically 
B) Distillation 
C) Filtration 
D) They are not separated.

Question 15

What is chemiluminescence?

Accepted Answer

The emissi

Question 16

Why do insects grow more slowly in cooler temperatures?

Accepted Answer

A) The cells are not large enough at lowered temperature. 
B) Because they are warm-blooded, but unable to move from the larval state at lower temperatures. 
C) The biochemical reactions that govern their growth occur more slowly at lower temperatures. 
D) None of the above; they actually grow faster at slightly cooled temperatures. 
A) The cells are not large enough at lowered temperature. 
B) Because they are warm-blooded, but unable to move from the larval state at lower temperatures. 
C) The biochemical reactions that govern their growth occur more slowly at lower temperatures. 
D) None of the above; they actually grow faster at slightly cooled temperatures.

Question 17

What does the term "chemical kinetics" mean?

Accepted Answer

The study

Question 18

When cocaine is eliminated from a human body, reaction concentration drops much faster at the outset than at later times. Of what type of reaction is this indicative?

Accepted Answer

A) A zero-order reaction 
B) A first-order reaction 
C) An elimination reaction 
D) This makes no indication of reaction type. 
A) A zero-order reaction 
B) A first-order reaction 
C) An elimination reaction 
D) This makes no indication of reaction type.

Question 19

What is a half-life?

Accepted Answer

The amount of time r

Question 20

If a person takes a pain reliever at 11:00

Accepted Answer

The answer of If a person takes a pain reliever...

How do catalysts function in a reaction?

What is collision theory?

What is the rate of H₂ formation, when compared to the rate of H₂O decomposition, according to the equation 2 H₂O → 2 H₂ + O₂?

How will the reaction of 0.5 M HCl and 0.5 M KOH proceed when compared to the same reaction utilizing 0.2 M solutions?

If a reaction rate doubles when the reactant concentration doubles, even when catalyzed by an enzyme, what type of reaction is it?

What must high-energy, colliding particles also have to form products?

What does a catalyst provide for two reactants, on a molecular level?

What about an insect is dependent upon temperature?

What is the general aim of green chemistry?

If a radioactive material decomposes with a half-life of 2 days, how much of a 16-gram sample will remain after 10 days?

In the energy diagram for an endothermic reaction, what will be the only difference between the catalyzed and uncatalyzed plot of the reaction?

What kind of drug is ibuprofen?

If a 250-mg pill has been consumed so that only 31 mg remains after 24 hours, what is the medication's half-life?

How are heterogeneous catalysts separated from a reaction's products?

What is chemiluminescence?

Why do insects grow more slowly in cooler temperatures?

What does the term "chemical kinetics" mean?

When cocaine is eliminated from a human body, reaction concentration drops much faster at the outset than at later times. Of what type of reaction is this indicative?

What is a half-life?

If a person takes a pain reliever at 11:00

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

Exam 11: Applications of Chemical Kinetics

How do catalysts function in a reaction?

What is collision theory?

What is the rate of H2 formation, when compared to the rate of H2O decomposition, according to the equation 2 H2O → 2 H2 + O2?

How will the reaction of 0.5 M HCl and 0.5 M KOH proceed when compared to the same reaction utilizing 0.2 M solutions?

If a reaction rate doubles when the reactant concentration doubles, even when catalyzed by an enzyme, what type of reaction is it?

What must high-energy, colliding particles also have to form products?

What does a catalyst provide for two reactants, on a molecular level?

What about an insect is dependent upon temperature?

What is the general aim of green chemistry?

If a radioactive material decomposes with a half-life of 2 days, how much of a 16-gram sample will remain after 10 days?

In the energy diagram for an endothermic reaction, what will be the only difference between the catalyzed and uncatalyzed plot of the reaction?

What kind of drug is ibuprofen?

If a 250-mg pill has been consumed so that only 31 mg remains after 24 hours, what is the medication's half-life?

How are heterogeneous catalysts separated from a reaction's products?

What is chemiluminescence?

Why do insects grow more slowly in cooler temperatures?

What does the term "chemical kinetics" mean?

When cocaine is eliminated from a human body, reaction concentration drops much faster at the outset than at later times. Of what type of reaction is this indicative?

What is a half-life?

If a person takes a pain reliever at 11:00

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

What is the rate of H₂ formation, when compared to the rate of H₂O decomposition, according to the equation 2 H₂O → 2 H₂ + O₂?