(a) Interpretation: The balanced equation for the reaction of treatment of finely divided gold with CN - (aq) in the presence of O 2 (g) should be written. Concept introduction: The balanced chemical equation can be written by following a few steps: Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation. Step 2: Counting the number of atoms of each element on either side of the equation. Step 3: Balancing the number of that atom or group on either side which has large atoms in number. Step 4: Using the correct coefficients to balance the number of atoms on both sides.

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Answer 1

Question

Chapter 20, Problem 7QAP

Interpretation Introduction

(a)

Interpretation:

The balanced equation for the reaction of treatment of finely divided gold with CN^-(aq) in the presence of O₂ (g) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Interpretation Introduction

(b)

Interpretation:

The balanced equation for the reaction of treatment of finely divided zinc metal with solution formed in part (a) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

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The Concept of Aromaticity 21.15 State the number of 2p orbital electrons in each molecule or ion. (a) (b) (e) (f) (c) (d) (h) (i) DA (k) 21.16 Which of the molecules and ions given in Problem 21.15 are aromatic according to the Hückel criteria? Which, if planar, would be antiaromatic? 21.17 Which of the following structures are considered aromatic according to the Hückel criteria? ---0-0 (a) (b) (c) (d) (e) (h) H -H .8.0- 21.18 Which of the molecules and ions from Problem 21.17 have electrons donated by a heteroatom?

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Answer 2

Question

Chapter 20, Problem 7QAP

Interpretation Introduction

(a)

Interpretation:

The balanced equation for the reaction of treatment of finely divided gold with CN^-(aq) in the presence of O₂ (g) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Interpretation Introduction

(b)

Interpretation:

The balanced equation for the reaction of treatment of finely divided zinc metal with solution formed in part (a) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

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Answer 3

Question

Chapter 20, Problem 7QAP

Interpretation Introduction

(a)

Interpretation:

The balanced equation for the reaction of treatment of finely divided gold with CN^-(aq) in the presence of O₂ (g) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Interpretation Introduction

(b)

Interpretation:

The balanced equation for the reaction of treatment of finely divided zinc metal with solution formed in part (a) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

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Answer 4

Question

Chapter 20, Problem 7QAP

Interpretation Introduction

(a)

Interpretation:

The balanced equation for the reaction of treatment of finely divided gold with CN^-(aq) in the presence of O₂ (g) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Interpretation Introduction

(b)

Interpretation:

The balanced equation for the reaction of treatment of finely divided zinc metal with solution formed in part (a) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

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Answer 5

Chapter 20, Problem 7QAP

Interpretation Introduction

(a)

Interpretation:

The balanced equation for the reaction of treatment of finely divided gold with CN^-(aq) in the presence of O₂ (g) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Interpretation Introduction

(b)

Interpretation:

The balanced equation for the reaction of treatment of finely divided zinc metal with solution formed in part (a) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Answer 6

Chapter 20, Problem 7QAP

Interpretation Introduction

(a)

Interpretation:

The balanced equation for the reaction of treatment of finely divided gold with CN^-(aq) in the presence of O₂ (g) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Answer 7

Chapter 20, Problem 7QAP

Interpretation Introduction

(a)

Interpretation:

The balanced equation for the reaction of treatment of finely divided gold with CN^-(aq) in the presence of O₂ (g) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The balanced equation for the reaction of treatment of finely divided zinc metal with solution formed in part (a) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The balanced equation for the reaction of treatment of finely divided zinc metal with solution formed in part (a) should be written.

Concept introduction:

The balanced chemical equation can be written by following a few steps:

Step 1: Writing the correct skeleton and molecular formula for the element or molecules on either side of the equation.

Step 2: Counting the number of atoms of each element on either side of the equation.

Step 3: Balancing the number of that atom or group on either side which has large atoms in number.

Step 4: Using the correct coefficients to balance the number of atoms on both sides.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 20 - Write a balanced equation to represent the...Ch. 20 - Write a balanced equation to represent the...Ch. 20 - Write a balanced equation to represent (a) the...Ch. 20 - Prob. 4QAP Ch. 20 - Prob. 5QAP Ch. 20 - Prob. 6QAP Ch. 20 - Prob. 7QAP Ch. 20 - Prob. 8QAP Ch. 20 - Prob. 9QAP Ch. 20 - Zinc is produced by electrolytic refining. The...

Solution Summary: The author explains the steps of writing the balanced chemical equation for the reaction of treatment of finely divided gold with CN - in the presence of O 2 (g).

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Chapter 20 Solutions