
Concept explainers
(a)
Interpretation:
Corrosion as an example of a spontaneous redox process that has negative effects is given. The concept of corrosion and its prevention using given methods is to be stated.
Concept introduction:
Corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen.
Various methods like, painting, galvanizing, alloying, durable oxide coatings, sacrificial metal method, cathodic protection method can be used for the protection of metal from corrosion.
To determine: The protection of metals by using paint.
(b)
Interpretation:
Corrosion as an example of a spontaneous redox process that has negative effects is given. The concept of corrosion and its prevention using given methods is to be stated.
Concept introduction:
Corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen.
Various methods like, painting, galvanizing, alloying, durable oxide coatings, sacrificial metal method, cathodic protection method can be used for the protection of metal from corrosion.
To determine: The protection of metals by using durable oxide coatings.
(c)
Interpretation:
Corrosion as an example of a spontaneous redox process that has negative effects is given. The concept of corrosion and its prevention using given methods is to be stated.
Concept introduction:
Corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen.
Various methods like, painting, galvanizing, alloying, durable oxide coatings, sacrificial metal method, cathodic protection method can be used for the protection of metal from corrosion.
To determine: The protection of metals by using galvanizing method.
(d)
Interpretation:
Corrosion as an example of a spontaneous redox process that has negative effects is given. The concept of corrosion and its prevention using given methods is to be stated.
Concept introduction:
Corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen.
Various methods like, painting, galvanizing, alloying, durable oxide coatings, sacrificial metal method, cathodic protection method can be used for the protection of metal from corrosion.
To determine: The protection of metals by using the sacrificial metal method.
(e)
Interpretation:
Corrosion as an example of a spontaneous redox process that has negative effects is given. The concept of corrosion and its prevention using given methods is to be stated.
Concept introduction:
Corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen.
Various methods like, painting, galvanizing, alloying, durable oxide coatings, sacrificial metal method, cathodic protection method can be used for the protection of metal from corrosion.
To determine: The protection of metals by using alloying method.
(f)
Interpretation:
Corrosion as an example of a spontaneous redox process that has negative effects is given. The concept of corrosion and its prevention using given methods is to be stated.
Concept introduction:
Corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen.
Various methods like, painting, galvanizing, alloying, durable oxide coatings, sacrificial metal method, cathodic protection method can be used for the protection of metal from corrosion.
To determine: The protection of metals by using cathodic protection method.

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Chapter 18 Solutions
Lab Manual for Zumdahl/Zumdahl/DeCoste¿s Chemistry, 10th Edition
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