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Chapter 21: Q21.22 P (page 973)

Consider the following general voltaic cell:

Identify the (a) anode, (b) cathode, (c) salt bridge, (d) electrode at which leave the cell, (e) electrode with a positive charge, and electrode that gains mass as the cell operates (assuming that a metal plates out).

Short Answer

Expert verified

(a) A

(b) E

(c) C

(d) A

(e) E

(f) E

Step by step solution

01

Definition of Chemical Change and Electrical Work 

Electrochemistry is a discipline of physical chemistry concerned with the relationship between electrical potential as a quantifiable and quantitative phenomenon and recognisable chemical change, with electrical potential as an outcome of a specific chemical change or vice versa.

02

Identify the following general voltaic cell

A voltaic cell is an electrochemical cell that generates electricity by a spontaneous redox reaction.

We can deduce the following from the diagram:

(a) Anode:A

(b) Cathode:E

(c) Salt bridge:C

(d) Electrode where leaves the cell:A

(e) Positively charged electrode:E

(f) An electrode that accumulates mass while the cell works: E

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