The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified. NO 2 ( g ) → NO 3 − ( a q ) + NO 2 − (aq) [basic] Concept Introduction: Oxidizing agent: A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens. Reducing agent: A compound or group that causes the reduction in another compound or group is said to be a reducing agent. Oxidation: A reaction in which a compound gains electrons is said to be oxidation. Reduction: A reaction in which a compound loses electrons is said to be reduction.

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Answer 1

Question

Chapter 21, Problem 21.17P

(a)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

NO2(g)→NO3−(aq)+ NO2−(aq) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(b)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

Zn(s)+ NO3−(aq)→Zn(OH)42−(aq)+NH3(g) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(c)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

H2S(g)+NO3-(aq)→S8(s)+NO(g) [acidic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

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Reagan is doing an atomic absorption experiment that requires a set of zinc standards in the 0.4-1.6 ppm range. A 1000 ppm Zn solution was prepared by dissolving the necessary amount of solid Zn(NO3)2 in water. The standards can be prepared by diluting the 1000 ppm Zn solution. Table 1 shows one possible set of serial dilutions (stepwise dilution of a solution) that Reagan could perform to make the necessary standards. Solution A was prepared by diluting 5.00 ml of the 1000 ppm Zn standard to 50.00 ml. Solutions C-E are called "calibration standards" because they will be used to calibrate the atomic absorption spectrometer. a. Compare the solution concentrations expressed as ppm Zn and ppm Zn(NO3)2. Compare the concentrations expressed as M Zn and M Zn(NO3)2 - Which units allow easy conversion between chemical species (e.g. Zn and Zn(NO3)2)? - Which units express concentrations in numbers with easily expressed magnitudes? - Suppose you have an analyte for which you don't know the molar…

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Answer 2

Question

Chapter 21, Problem 21.17P

(a)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

NO2(g)→NO3−(aq)+ NO2−(aq) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(b)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

Zn(s)+ NO3−(aq)→Zn(OH)42−(aq)+NH3(g) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(c)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

H2S(g)+NO3-(aq)→S8(s)+NO(g) [acidic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

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Answer 3

Question

Chapter 21, Problem 21.17P

(a)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

NO2(g)→NO3−(aq)+ NO2−(aq) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(b)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

Zn(s)+ NO3−(aq)→Zn(OH)42−(aq)+NH3(g) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(c)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

H2S(g)+NO3-(aq)→S8(s)+NO(g) [acidic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

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Answer 4

Question

Chapter 21, Problem 21.17P

(a)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

NO2(g)→NO3−(aq)+ NO2−(aq) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(b)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

Zn(s)+ NO3−(aq)→Zn(OH)42−(aq)+NH3(g) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(c)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

H2S(g)+NO3-(aq)→S8(s)+NO(g) [acidic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

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Answer 5

Chapter 21, Problem 21.17P

(a)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

NO2(g)→NO3−(aq)+ NO2−(aq) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(b)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

Zn(s)+ NO3−(aq)→Zn(OH)42−(aq)+NH3(g) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

(c)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

H2S(g)+NO3-(aq)→S8(s)+NO(g) [acidic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

Answer 6

Chapter 21, Problem 21.17P

(a)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

NO2(g)→NO3−(aq)+ NO2−(aq) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

Answer 7

Chapter 21, Problem 21.17P

(a)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

NO2(g)→NO3−(aq)+ NO2−(aq) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

Zn(s)+ NO3−(aq)→Zn(OH)42−(aq)+NH3(g) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

Zn(s)+ NO3−(aq)→Zn(OH)42−(aq)+NH3(g) [basic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

H2S(g)+NO3-(aq)→S8(s)+NO(g) [acidic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The following skeleton reaction has to be balanced and the oxidizing and reducing agents has to be identified.

H2S(g)+NO3-(aq)→S8(s)+NO(g) [acidic]

Concept Introduction:

Oxidizing agent:

A compound or group that causes the oxidation in another compound or group is said to be an oxidizing agent. Most common oxidizing agents are oxygen, hydrogen peroxide and halogens.

Reducing agent:

A compound or group that causes the reduction in another compound or group is said to be a reducing agent.

Oxidation:

A reaction in which a compound gains electrons is said to be oxidation.

Reduction:

A reaction in which a compound loses electrons is said to be reduction.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 21.1 - Write a balanced molecular equation for the...Ch. 21.1 - Prob. 21.1BFP Ch. 21.2 - In one half-cell of a voltaic cell, a graphite rod...Ch. 21.2 - In one half-cell of a voltaic cell, a graphite rod...Ch. 21.3 - Prob. 21.3AFP Ch. 21.3 - Prob. 21.3BFP Ch. 21.3 - Prob. 21.4AFP Ch. 21.3 - Prob. 21.4BFP Ch. 21.3 - Combine pairs of the balanced half-reactions (1),...Ch. 21.3 - Prob. 21.5BFP

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