Question 1

What is a teratogen?

Accepted Answer

A) A poison that causes cancer 
B) A poison that induces birth defects 
C) A chronic poison 
D) An acute poison 
A) A poison that causes cancer 
B) A poison that induces birth defects 
C) A chronic poison 
D) An acute poison

Question 2

What is the K of the following reaction: HA ⇌ H+ + A- , if [HA] = 0.10 M and the pH = 1.0?

Accepted Answer

A) 1.0 
B) 0.1 
C) 0.01 
D) 0.5 
A) 1.0 
B) 0.1 
C) 0.01 
D) 0.5

Question 3

What is [HA] in the reaction HAc ⇌ H+ + Ac-, when K = 0.83 and [H+] = 0.15 M?

Accepted Answer

A) 0.019 M 
B) 0.180 M 
C) 0.023 M 
D) 0.027 M 
A) 0.019 M 
B) 0.180 M 
C) 0.023 M 
D) 0.027 M

Question 4

What relatively common poison that displaces oxygen in the hemoglobin transport can be breathed in?

Accepted Answer

The answer of What relatively common poison that displaces oxygen...

Question 5

Why does a small equilibrium constant indicate an equilibrium that lies mostly on the products side of a reaction?

Accepted Answer

A) Because the product concentrations are high 
B) Because the reactant concentrations are low 
C) Because the value of the products divided by the reactants is high 
D) It doesn't; rather, it indicates an equilibrium that lies mostly on the reactants side of the equation. 
A) Because the product concentrations are high 
B) Because the reactant concentrations are low 
C) Because the value of the products divided by the reactants is high 
D) It doesn't; rather, it indicates an equilibrium that lies mostly on the reactants side of the equation.

Question 6

What is the EPA recommended upper limit for arsenic in drinking water?

Accepted Answer

A) 100 micrograms/liter 
B) 1 micrograms/liter 
C) 10 micrograms/liter 
D) 50 micrograms/liter 
A) 100 micrograms/liter 
B) 1 micrograms/liter 
C) 10 micrograms/liter 
D) 50 micrograms/liter

Question 7

In the reaction HA ⇌ H+ + A-, what is the value of K if [HA] = 0.200 M and [A-] = [H+] = 0.020 M?

Accepted Answer

A) 0.0004 
B) 0.200 
C) 0.010 
D) 0.002 
A) 0.0004 
B) 0.200 
C) 0.010 
D) 0.002

Question 8

What is the main protein in blood plasma, which invariably a toxin will encounter?

Accepted Answer

A) Hemoglobin 
B) Metal-albumin 
C) Albumin 
D) None of the above 
A) Hemoglobin 
B) Metal-albumin 
C) Albumin 
D) None of the above

Question 9

According to the equation: As2S3(s) ⇌ 2As3+(aq) + 3S2-(aq), how many arsenic ions go into solution for each mole of orpiment that dissolves?

Accepted Answer

Question 10

If arsenic is not particularly soluble in water, how can it be used as a poison that is fed to a person in a drink?

Accepted Answer

A) It is stirred vigorously in water before being fed to the victim. 
B) Lethal doses, even though small, are still soluble in water. 
C) It can't be; arsenic is a solid poison administered in food. 
D) None of the above; arsenic is very soluble in water. 
A) It is stirred vigorously in water before being fed to the victim. 
B) Lethal doses, even though small, are still soluble in water. 
C) It can't be; arsenic is a solid poison administered in food. 
D) None of the above; arsenic is very soluble in water.

Question 11

What is a dynamic equilibrium?

Accepted Answer

An equilibrium between two rea

Question 12

What class of compounds includes epicatechin?

Accepted Answer

The answer of What class of compounds includes epicatechin?...

Question 13

Where does the equilibrium lie in the reaction 2 As3+(aq) + 3 S2-(aq) ⇌ As2S3(s)?

Accepted Answer

A) To the product's side 
B) To the reactant's side 
C) Roughly equally between products and reactants 
D) There is not enough information to tell. 
A) To the product's side 
B) To the reactant's side 
C) Roughly equally between products and reactants 
D) There is not enough information to tell.

Question 14

In the following reaction: HA ⇌ H+ + A- , what is K if [HA] = 0.25 M and the pH for the solution is 2.00?

Accepted Answer

A) 0.0002 
B) 0.0004 
C) 0.0001 
D) 7.00 
A) 0.0002 
B) 0.0004 
C) 0.0001 
D) 7.00

Question 15

An equilibrium reaction of the formula HA ⇌ H+ + A- has an equilibrium constant of 13.5 and a [H+] = 0.500 M. What is the value of [HA]?

Accepted Answer

A) 13.5 M 
B) 54.0 M 
C) 0.250 M 
D) 0.018 M 
A) 13.5 M 
B) 54.0 M 
C) 0.250 M 
D) 0.018 M

Question 16

What waste product does hemoglobin transport?

Accepted Answer

A) Urea 
B) Carbon dioxide 
C) Carbon monoxide 
D) Carbonate 
A) Urea 
B) Carbon dioxide 
C) Carbon monoxide 
D) Carbonate

Question 17

What does epicatechin do in the body?

Accepted Answer

A) Stops the build-up of lactic acid 
B) Decreases the number of mitochondria is cells 
C) Triggers new capillary growth in muscle tissue 
D) Retards the build-up of the pyruvate ion 
A) Stops the build-up of lactic acid 
B) Decreases the number of mitochondria is cells 
C) Triggers new capillary growth in muscle tissue 
D) Retards the build-up of the pyruvate ion

Question 18

How does carbon monoxide bind to hemoglobin?

Accepted Answer

A) With the same strength as oxygen gas 
B) More strongly than oxygen 
C) Less strongly than oxygen gas 
D) The binding varies from person to person 
A) With the same strength as oxygen gas 
B) More strongly than oxygen 
C) Less strongly than oxygen gas 
D) The binding varies from person to person

Question 19

In the reaction HA ⇌ H+ + A- , how can the K value be an extremely high number?

Accepted Answer

A) The reactants can be vanishingly small. 
B) Each product can be small. 
C) The reactant can be large, while one product is large. 
D) The products can be vanishingly small. 
A) The reactants can be vanishingly small. 
B) Each product can be small. 
C) The reactant can be large, while one product is large. 
D) The products can be vanishingly small.

Question 20

What is the name of a chemical substance that can be dangerous in low amounts?

Accepted Answer

A) A pathogen 
B) A herbicide 
C) A toxic compound 
D) An insecticide 
A) A pathogen 
B) A herbicide 
C) A toxic compound 
D) An insecticide

What is a teratogen?

What is the K of the following reaction: HA ⇌ H⁺ + A^- , if [HA] = 0.10 M and the pH = 1.0?

What is [HA] in the reaction HAc ⇌ H⁺ + Ac^-, when K = 0.83 and [H⁺] = 0.15 M?

What relatively common poison that displaces oxygen in the hemoglobin transport can be breathed in?

Why does a small equilibrium constant indicate an equilibrium that lies mostly on the products side of a reaction?

What is the EPA recommended upper limit for arsenic in drinking water?

In the reaction HA ⇌ H⁺ + A^-, what is the value of K if [HA] = 0.200 M and [A^-] = [H⁺] = 0.020 M?

What is the main protein in blood plasma, which invariably a toxin will encounter?

According to the equation: As₂S_3(s) ⇌ 2As³⁺_(aq) + 3S^2-_(aq), how many arsenic ions go into solution for each mole of orpiment that dissolves?

If arsenic is not particularly soluble in water, how can it be used as a poison that is fed to a person in a drink?

What is a dynamic equilibrium?

What class of compounds includes epicatechin?

Where does the equilibrium lie in the reaction 2 As³⁺_(aq) + 3 S^2-_(aq) ⇌ As₂S_3(s)?

In the following reaction: HA ⇌ H⁺ + A^- , what is K if [HA] = 0.25 M and the pH for the solution is 2.00?

An equilibrium reaction of the formula HA ⇌ H⁺ + A^- has an equilibrium constant of 13.5 and a [H⁺] = 0.500 M. What is the value of [HA]?

What waste product does hemoglobin transport?

What does epicatechin do in the body?

How does carbon monoxide bind to hemoglobin?

In the reaction HA ⇌ H⁺ + A^- , how can the K value be an extremely high number?

What is the name of a chemical substance that can be dangerous in low amounts?

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

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Introduction to Biochemistry

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Exam 13: Chemical Equilibrium

What is a teratogen?

What is the K of the following reaction: HA ⇌ H+ + A- , if [HA] = 0.10 M and the pH = 1.0?

What is [HA] in the reaction HAc ⇌ H+ + Ac-, when K = 0.83 and [H+] = 0.15 M?

What relatively common poison that displaces oxygen in the hemoglobin transport can be breathed in?

Why does a small equilibrium constant indicate an equilibrium that lies mostly on the products side of a reaction?

What is the EPA recommended upper limit for arsenic in drinking water?

In the reaction HA ⇌ H+ + A-, what is the value of K if [HA] = 0.200 M and [A-] = [H+] = 0.020 M?

What is the main protein in blood plasma, which invariably a toxin will encounter?

According to the equation: As2S3(s) ⇌ 2As3+(aq) + 3S2-(aq), how many arsenic ions go into solution for each mole of orpiment that dissolves?

If arsenic is not particularly soluble in water, how can it be used as a poison that is fed to a person in a drink?

What is a dynamic equilibrium?

What class of compounds includes epicatechin?

Where does the equilibrium lie in the reaction 2 As3+(aq) + 3 S2-(aq) ⇌ As2S3(s)?

In the following reaction: HA ⇌ H+ + A- , what is K if [HA] = 0.25 M and the pH for the solution is 2.00?

An equilibrium reaction of the formula HA ⇌ H+ + A- has an equilibrium constant of 13.5 and a [H+] = 0.500 M. What is the value of [HA]?

What waste product does hemoglobin transport?

What does epicatechin do in the body?

How does carbon monoxide bind to hemoglobin?

In the reaction HA ⇌ H+ + A- , how can the K value be an extremely high number?

What is the name of a chemical substance that can be dangerous in low amounts?

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

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Introduction to Biochemistry

Filters

What is the K of the following reaction: HA ⇌ H⁺ + A^- , if [HA] = 0.10 M and the pH = 1.0?

What is [HA] in the reaction HAc ⇌ H⁺ + Ac^-, when K = 0.83 and [H⁺] = 0.15 M?

In the reaction HA ⇌ H⁺ + A^-, what is the value of K if [HA] = 0.200 M and [A^-] = [H⁺] = 0.020 M?

According to the equation: As₂S_3(s) ⇌ 2As³⁺_(aq) + 3S^2-_(aq), how many arsenic ions go into solution for each mole of orpiment that dissolves?

Where does the equilibrium lie in the reaction 2 As³⁺_(aq) + 3 S^2-_(aq) ⇌ As₂S_3(s)?

In the following reaction: HA ⇌ H⁺ + A^- , what is K if [HA] = 0.25 M and the pH for the solution is 2.00?

An equilibrium reaction of the formula HA ⇌ H⁺ + A^- has an equilibrium constant of 13.5 and a [H⁺] = 0.500 M. What is the value of [HA]?

In the reaction HA ⇌ H⁺ + A^- , how can the K value be an extremely high number?