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Author Question: Given that Ered = -1.66 V for Al3+(aq)/Al(s) at 25 C, find E and E for the concentration cell ... (Read 70 times)

hbsimmons88

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Question 1

For the reaction: Mg(s) + AgNO3(aq) → Ag(s) + Mg(NO3)2(aq)

Ag+(aq) + e-→ Ag(s) = 0.800 V
Mg2+(aq) + 2 e-→ Mg(s) = -2.356 V

Determine ΔG°.
◦ -300.3 kJ/mol
◦ 304.5 kJ/mol
◦ 609.0 kJ/mol
◦ -304.5 kJ/mol
◦ -609.0 kJ/mol

Question 2

Given that red = -1.66 V for Al3+(aq)/Al(s) at 25 °C, find and E for the concentration cell expressed using shorthand notation below:

Al(s) Al3+(aq, 1.0 × 10-5 mol L-1) Al3+(aq, 0.100 mol L-1) Al(s)

= 0.00 V and E = +0.24 V
= 0.00 V and E = +0.0789 V
= -1.66 V and E = -1.42 V
= -1.66 V and E = -1.54 V


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Marked as best answer by hbsimmons88 on Jul 8, 2021

gasdhashg

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hbsimmons88

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Reply 2 on: Jul 8, 2021
Gracias!


alexanderhamilton

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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