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Author Question: What is the value of the reaction quotient, Q, for the voltaic cell constructed from the following ... (Read 76 times)

kfurse

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Question 1

What is the potential at 25°C for the following cell?
Cr | Cr3+(0.010 M) || Ag+(0.00030 M) | Ag
Cr3+ + 3e Cr     E° = –0.73 V
Ag+ + e Ag       E° = 0.80 V

2.09 V
1.36 V
0.95 V
1.70 V
1.50 V

Question 2

What is the value of the reaction quotient, Q, for the voltaic cell constructed from the following two half-reactions when the Zn2+ concentration is 0.0120 M and the Ag+ concentration is 1.25 M?
Zn2+(aq) + 2e→ Zn(s); E° = –0.76 V
Ag+(aq) + e→ Ag(s); E° = 0.80 V

130
104
1.25 × 10–2

9.60 × 10–3

7.68 × 10–3


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Marked as best answer by kfurse on Mar 21, 2021

succesfull

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kfurse

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Reply 2 on: Mar 21, 2021
Gracias!


sultansheikh

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Reply 3 on: Yesterday
Excellent

 

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