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Describe a common dry-cell battery. Include equations for

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 27Q Chapter 16

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 27Q

Describe a common dry-cell battery. Include equations for the anode and cathode reactions.

Step-by-Step Solution:
Step 1 of 3

Step-1

The common dry cell battery contains only a small amount of liquid water within it. Thus such type of cell is known as dry cell battery.

Step-2   

An electrochemical cell consists of two half-cells: an anode and a cathode. The anode is the electrode where oxidation occurs and electrons are lost. The cathode is where reduction takes place and electrons are gained. These reactions don't occur separately; they must work together in a reduction-oxidation reaction.

For example let's assume the electrodes are zinc and copper.. The half-reaction on the anode, where oxidation occurs, is Zn(s)  Zn2+(aq) + 2e-.

The zinc loses two electrons to form Zn2+.

The...

Step 2 of 3

Chapter 16, Problem 27Q is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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