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You decide to construct a zinc/aluminum galvanic cell in which the electrodes are connected by a...

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Chemistry

You decide to construct a zinc/aluminum galvanic cell in whichthe electrodes are connected by a wire and the solutions areconnected with a salt bridge. One electrode consists of an aluminumbar in a 1.0 M solution of aluminum nitrate. The other electrodeconsists of zinc bar in a 1.0 M solution of zinc nitrate.

a. Which electrode is the cathode and which is the anode?

b. What is the direction of electron flow?

c. What chemical reactions are occurring at each electrode?

d. What is the overall balanced chemical reaction?

e. After a period of time, will the bar of zinc become heavier,lighter or stay the same? What about the aluminum bar?

f. What is the standard cell potential?

Answer & Explanation Solved by verified expert
4.5 Ratings (1044 Votes)
ZnAl Al3 3 e Als 1662 Zn2 2 e Zns 07618 The most negative will oxidize Then Al3 3 e Als 1662 Zns Zn2 2 e 07618 a cathode reduction    See Answer
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