A) It is a numerical scale used to represent acidity or basicity. B) It is the negative of the log of the hydronium ion concentration. C) It is the negative of the log of the acidity of a solution. D) It is the F sound. E) both A and B A) It is a numerical scale used to represent acidity or basicity. B) It is the negative of the log of the hydronium ion concentration. C) It is the negative of the log of the acidity of a solution. D) It is the F sound. E) both A and B

Exam 10: Acids and Bases in Our Environment

Pour vinegar onto beach sand from the Caribbean and the result is a lot of froth and bubbles. Pour vinegar onto beach sand from California, however, and nothing happens. Why?

(Multiple Choice)

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Question 21

Adding more carbon dioxide to the atmosphere causes the concentration of carbonates in the ocean to ________.

(Multiple Choice)

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Question 22

The hydroxide ion, HO^-, is a ________.

(Multiple Choice)

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Question 23

What is the relationship between the hydroxide ion and a water molecule?

(Multiple Choice)

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Question 24

Which of the following compounds could never act as an acid?

(Multiple Choice)

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Question 25

Identify the acid or base behavior of each substance in these reactions: HS + O ⇌ O + S

(Multiple Choice)

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Question 26

What is pH?

(Multiple Choice)

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Question 27

If you had a 1 M solution of a strong acid what would be its pH?

(Multiple Choice)

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Question 28

Acetic acid, shown below, has 4 hydrogen atoms-one bonded to an oxygen and three bonded to a carbon. When this molecule behaves as an acid, it donates only the hydrogen bonded to the oxygen. The hydrogens bonded to the carbon remain intact. Why?

(Multiple Choice)

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Question 29

For the following acid-base reaction, identify what is formed in the space marked. H₂SO₄ + KOH ⇌ KHSO₄ + ???

(Multiple Choice)

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Question 30

If you were to increase the pH of rain water the concentration of dissolved CO₂would ________.

(Multiple Choice)

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Question 31

If you had a 1 M solution of a strong base what would be its pH?

(Multiple Choice)

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Question 32

Which of the following statements describes a basic solution?

(Multiple Choice)

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Question 33

For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H₃PO₄ + H₂O ⇌ H₂PO₄^- + H₃O⁺

(Multiple Choice)

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Question 34

Sodium bicarbonate, NaHC , is the active ingredient of baking soda. Compare its structure carefully with the weak acids and bases presented in this chapter and explain how this compound by itself in solution (with no other components) moderates changes in pH.

(Multiple Choice)

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Question 35

Sodium hydroxide, NaOH, is a very strong base. If a concentrated solution of this base were to spill on a latex glove you were wearing, it would feel like regular water. If the solution were to land directly on your skin, however, it would feel very slippery. Why?

(Multiple Choice)

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Question 36

Which of the following statements about strong or weak bases is true?

(Multiple Choice)

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Question 37

In the following buffer system, what happens to the concentration of the highlighted molecule if you add base in the form of OH^-? HF + NaF + H₂O ⇌ F^- + H₃O⁺_{+ Na}+

(Multiple Choice)

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Question 38

Which is the stronger acid: H-F or H-I?

(Multiple Choice)

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Question 39

According to the following reaction, which molecule is acting as an acid? H₂O + H₂SO₄ → H₃O⁺ + HSO₄^-

(Multiple Choice)

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Question 40

Showing 21 - 40 of 135

Pour vinegar onto beach sand from the Caribbean and the result is a lot of froth and bubbles. Pour vinegar onto beach sand from California, however, and nothing happens. Why?

Adding more carbon dioxide to the atmosphere causes the concentration of carbonates in the ocean to ________.

The hydroxide ion, HO^-, is a ________.

What is the relationship between the hydroxide ion and a water molecule?

Which of the following compounds could never act as an acid?

Identify the acid or base behavior of each substance in these reactions: HS + O ⇌ O + S

What is pH?

If you had a 1 M solution of a strong acid what would be its pH?

Acetic acid, shown below, has 4 hydrogen atoms-one bonded to an oxygen and three bonded to a carbon. When this molecule behaves as an acid, it donates only the hydrogen bonded to the oxygen. The hydrogens bonded to the carbon remain intact. Why?

For the following acid-base reaction, identify what is formed in the space marked. H₂SO₄ + KOH ⇌ KHSO₄ + ???

If you were to increase the pH of rain water the concentration of dissolved CO₂would ________.

If you had a 1 M solution of a strong base what would be its pH?

Which of the following statements describes a basic solution?

For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H₃PO₄ + H₂O ⇌ H₂PO₄^- + H₃O⁺

Sodium bicarbonate, NaHC , is the active ingredient of baking soda. Compare its structure carefully with the weak acids and bases presented in this chapter and explain how this compound by itself in solution (with no other components) moderates changes in pH.

Sodium hydroxide, NaOH, is a very strong base. If a concentrated solution of this base were to spill on a latex glove you were wearing, it would feel like regular water. If the solution were to land directly on your skin, however, it would feel very slippery. Why?

Which of the following statements about strong or weak bases is true?

In the following buffer system, what happens to the concentration of the highlighted molecule if you add base in the form of OH^-? HF + NaF + H₂O ⇌ F^- + H₃O⁺_{+ Na}+

Which is the stronger acid: H-F or H-I?

According to the following reaction, which molecule is acting as an acid? H₂O + H₂SO₄ → H₃O⁺ + HSO₄^-

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Oxidations and Reductions Charge the World

Organic Compounds

Nutrients of Life

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

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Exam 10: Acids and Bases in Our Environment

Pour vinegar onto beach sand from the Caribbean and the result is a lot of froth and bubbles. Pour vinegar onto beach sand from California, however, and nothing happens. Why?

Adding more carbon dioxide to the atmosphere causes the concentration of carbonates in the ocean to ________.

The hydroxide ion, HO-, is a ________.

What is the relationship between the hydroxide ion and a water molecule?

Which of the following compounds could never act as an acid?

Identify the acid or base behavior of each substance in these reactions: HS + O ⇌ O + S

What is pH?

If you had a 1 M solution of a strong acid what would be its pH?

Acetic acid, shown below, has 4 hydrogen atoms-one bonded to an oxygen and three bonded to a carbon. When this molecule behaves as an acid, it donates only the hydrogen bonded to the oxygen. The hydrogens bonded to the carbon remain intact. Why?

For the following acid-base reaction, identify what is formed in the space marked. H2SO4 + KOH ⇌ KHSO4 + ???

If you were to increase the pH of rain water the concentration of dissolved CO2 would ________.

If you had a 1 M solution of a strong base what would be its pH?

Which of the following statements describes a basic solution?

For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H3PO4 + H2O ⇌ H2PO4- + H3O+

Sodium bicarbonate, NaHC , is the active ingredient of baking soda. Compare its structure carefully with the weak acids and bases presented in this chapter and explain how this compound by itself in solution (with no other components) moderates changes in pH.

Sodium hydroxide, NaOH, is a very strong base. If a concentrated solution of this base were to spill on a latex glove you were wearing, it would feel like regular water. If the solution were to land directly on your skin, however, it would feel very slippery. Why?

Which of the following statements about strong or weak bases is true?

In the following buffer system, what happens to the concentration of the highlighted molecule if you add base in the form of OH-? HF + NaF + H2O ⇌ F- + H3O+ + Na+

Which is the stronger acid: H-F or H-I?

According to the following reaction, which molecule is acting as an acid? H2O + H2SO4 → H3O+ + HSO4-

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Oxidations and Reductions Charge the World

Organic Compounds

Nutrients of Life

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters

The hydroxide ion, HO^-, is a ________.

For the following acid-base reaction, identify what is formed in the space marked. H₂SO₄ + KOH ⇌ KHSO₄ + ???

If you were to increase the pH of rain water the concentration of dissolved CO₂would ________.

For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H₃PO₄ + H₂O ⇌ H₂PO₄^- + H₃O⁺

In the following buffer system, what happens to the concentration of the highlighted molecule if you add base in the form of OH^-? HF + NaF + H₂O ⇌ F^- + H₃O⁺_{+ Na}+

According to the following reaction, which molecule is acting as an acid? H₂O + H₂SO₄ → H₃O⁺ + HSO₄^-