Question 1

A catalyst lowers the activation energy barrier, which is the maximum amount of energy required during a collision.

Accepted Answer

A) True 
 B)False

Question 2

How was the synthesis of atorvastatin made drastically greener?

Accepted Answer

A) By changing solvents for many reactions 
B) Through the use of enzymes 
C) By increasing reaction temperatures 
D) By using green starting materials 
A) By changing solvents for many reactions 
B) Through the use of enzymes 
C) By increasing reaction temperatures 
D) By using green starting materials

Question 3

Why are reactions in the liquid state usually slower than those in the solid state?

Accepted Answer

A) Because they have less surface area upon which the reaction can occur 
B) Because the particles possess less kinetic energy in the liquid state 
C) Because powders and other solids have numerous reaction sites 
D) None of the above. Reactions in the solid state are generally slower. 
A) Because they have less surface area upon which the reaction can occur 
B) Because the particles possess less kinetic energy in the liquid state 
C) Because powders and other solids have numerous reaction sites 
D) None of the above. Reactions in the solid state are generally slower.

Question 4

In a heterogeneously catalyzed reaction, what must the reactants do to a solid catalyst?

Accepted Answer

A) React with it 
B) Adhere to it for a short period of time 
C) Adhere to it for a prolonged or permanent time 
D) Fail to react with it 
A) React with it 
B) Adhere to it for a short period of time 
C) Adhere to it for a prolonged or permanent time 
D) Fail to react with it

Question 5

According to collision theory, why must particles have a high energy?

Accepted Answer

A) To enhance the energy of the system 
B) To increase the probability of particle motion 
C) To orient correctly 
D) To collide effectively 
A) To enhance the energy of the system 
B) To increase the probability of particle motion 
C) To orient correctly 
D) To collide effectively

Question 6

What type of reaction order do most pharmaceuticals follow?

Accepted Answer

A) First order 
B) Zero order 
C) Enzymatic 
D) Catalytic 
A) First order 
B) Zero order 
C) Enzymatic 
D) Catalytic

Question 7

What kind of catalyst is always in the same physical state as the reactant?

Accepted Answer

A) Heterogeneous catalyst 
B) Iron catalyst 
C) Homogeneous catalyst 
D) Chemiluminescent catalyst 
A) Heterogeneous catalyst 
B) Iron catalyst 
C) Homogeneous catalyst 
D) Chemiluminescent catalyst

Question 8

The use of enzymes is in concert with which principles of green chemistry?

Accepted Answer

1, 3, 6, 9, and 12-m

Question 9

What must always hold true for a homogeneous catalyst?

Accepted Answer

It must always be in

Question 10

What defines a catalyst?

Accepted Answer

A) A material that speeds up a reaction rate 
B) A material that is used up in a reaction 
C) A material that is not used up in a reaction 
D) Both a and c are correct. 
A) A material that speeds up a reaction rate 
B) A material that is used up in a reaction 
C) A material that is not used up in a reaction 
D) Both a and c are correct.

Question 11

A certain drug has a half-life of 8 hours. If a person takes one after every three half-lives, and takes a dose at 10:00

Accepted Answer

A) 
At 8:00 P.M. that evening 
B) At 8:00 
C)  That evening at 10:00 P.M. 
D)  The next day at 10:00 
A) 
At 8:00 P.M. that evening 
B) At 8:00 
C)  That evening at 10:00 P.M. 
D)  The next day at 10:00

Question 12

According to the balanced chemical equation HCl + NaOH → H2O + NaCl, what is the rate of HCl loss compared to that of NaCl formation?

Accepted Answer

A) They are the same. 
B) HCl loss is greater. 
C) NaCl formation is greater. 
D) Cannot tell from the reaction. 
A) They are the same. 
B) HCl loss is greater. 
C) NaCl formation is greater. 
D) Cannot tell from the reaction.

Question 13

If the ADH for a species development is 400, how much would the temperature have to be changed to cut the growth time by a factor of two?

Accepted Answer

A) It doesn't need to be changed at all. 
B) It should be doubled. 
C) It should be quadrupled. 
D) It should be halved. 
A) It doesn't need to be changed at all. 
B) It should be doubled. 
C) It should be quadrupled. 
D) It should be halved.

Question 14

How do homogeneous catalysts mix with reactant solutions?

Accepted Answer

A) Thoroughly. 
B) Swiftly, but only when heated. 
C) They mix if enough kinetic energy is added. 
D) They do not mix. 
A) Thoroughly. 
B) Swiftly, but only when heated. 
C) They mix if enough kinetic energy is added. 
D) They do not mix.

Question 15

If a drug has a 3-hour half-life, how long will it take 1000 mg to decrease to only 125 mg?

Accepted Answer

The answer of If a drug has a 3-hour half-life,...

Question 16

During drug synthesis, how much of a desired compound is produced during a synthetic reaction?

Accepted Answer

A) 5-10% 
B) 30-50% 
C) At least 75% 
D) Well over 75% 
A) 5-10% 
B) 30-50% 
C) At least 75% 
D) Well over 75%

Question 17

What is the activation energy barrier?

Accepted Answer

A) The energy required to prevent a reaction from occurring 
B) The energy needed to stop a particle collision 
C) The energy required for a successful reactant particle collision 
D) The energy needed to initiate particle movement 
A) The energy required to prevent a reaction from occurring 
B) The energy needed to stop a particle collision 
C) The energy required for a successful reactant particle collision 
D) The energy needed to initiate particle movement

Question 18

Why does a drug concentration not stay steady in a body?

Accepted Answer

It is cons

Question 19

What do ADH incorporate into their values?

Accepted Answer

A) Volume and temperature 
B) Time and temperature 
C) Time and potential energy 
D) None of the above 
A) Volume and temperature 
B) Time and temperature 
C) Time and potential energy 
D) None of the above

Question 20

If a reaction has two reactants, and doubling the concentration of one of them doubles the reaction rate, while doubling the concentration of the other leaves the reaction rate unchanged, what is the order of the reaction?

Accepted Answer

A) 0 
B) ½ 
C) 2 
D) 1 with respect to the first reactant, and 0 with respect to the second 
A) 0 
B) ½ 
C) 2 
D) 1 with respect to the first reactant, and 0 with respect to the second

A catalyst lowers the activation energy barrier, which is the maximum amount of energy required during a collision.

How was the synthesis of atorvastatin made drastically greener?

Why are reactions in the liquid state usually slower than those in the solid state?

In a heterogeneously catalyzed reaction, what must the reactants do to a solid catalyst?

According to collision theory, why must particles have a high energy?

What type of reaction order do most pharmaceuticals follow?

What kind of catalyst is always in the same physical state as the reactant?

The use of enzymes is in concert with which principles of green chemistry?

What must always hold true for a homogeneous catalyst?

What defines a catalyst?

A certain drug has a half-life of 8 hours. If a person takes one after every three half-lives, and takes a dose at 10:00

According to the balanced chemical equation HCl + NaOH → H₂O + NaCl, what is the rate of HCl loss compared to that of NaCl formation?

If the ADH for a species development is 400, how much would the temperature have to be changed to cut the growth time by a factor of two?

How do homogeneous catalysts mix with reactant solutions?

If a drug has a 3-hour half-life, how long will it take 1000 mg to decrease to only 125 mg?

During drug synthesis, how much of a desired compound is produced during a synthetic reaction?

What is the activation energy barrier?

Why does a drug concentration not stay steady in a body?

What do ADH incorporate into their values?

If a reaction has two reactants, and doubling the concentration of one of them doubles the reaction rate, while doubling the concentration of the other leaves the reaction rate unchanged, what is the order of the reaction?

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

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Exam 11: Applications of Chemical Kinetics

A catalyst lowers the activation energy barrier, which is the maximum amount of energy required during a collision.

How was the synthesis of atorvastatin made drastically greener?

Why are reactions in the liquid state usually slower than those in the solid state?

In a heterogeneously catalyzed reaction, what must the reactants do to a solid catalyst?

According to collision theory, why must particles have a high energy?

What type of reaction order do most pharmaceuticals follow?

What kind of catalyst is always in the same physical state as the reactant?

The use of enzymes is in concert with which principles of green chemistry?

What must always hold true for a homogeneous catalyst?

What defines a catalyst?

A certain drug has a half-life of 8 hours. If a person takes one after every three half-lives, and takes a dose at 10:00

According to the balanced chemical equation HCl + NaOH → H2O + NaCl, what is the rate of HCl loss compared to that of NaCl formation?

If the ADH for a species development is 400, how much would the temperature have to be changed to cut the growth time by a factor of two?

How do homogeneous catalysts mix with reactant solutions?

If a drug has a 3-hour half-life, how long will it take 1000 mg to decrease to only 125 mg?

During drug synthesis, how much of a desired compound is produced during a synthetic reaction?

What is the activation energy barrier?

Why does a drug concentration not stay steady in a body?

What do ADH incorporate into their values?

If a reaction has two reactants, and doubling the concentration of one of them doubles the reaction rate, while doubling the concentration of the other leaves the reaction rate unchanged, what is the order of the reaction?

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

According to the balanced chemical equation HCl + NaOH → H₂O + NaCl, what is the rate of HCl loss compared to that of NaCl formation?