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Author Question: The nickel-cadmium battery cell has a standard potential of +1.20 V. The cell reaction is2 ... (Read 195 times)

laurencescou

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Question 1

For the reaction 2 Al(s) + 3 Co2+(aq) → 2 Al3+(aq) + 3 Co(s), ΔG° is -799 kJ. What is E° for a standard cell based on this reaction?
◦ +2.76 V
◦ +8.28 V
◦ +4.14 V
◦ +1.38 V

Question 2

The nickel-cadmium battery cell has a standard potential of +1.20 V. The cell reaction is

2 NiO(OH)(s) + Cd(s) + 2 H2O(l) → 2 Ni(OH)2(s) + Cd(OH)2(s).


What is the standard free energy change for this reaction?
◦ -116 kJ
◦ -38.7 kJ
◦ -463 kJ
◦ -232 kJ


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Marked as best answer by laurencescou on Feb 15, 2020

hugthug12

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laurencescou

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Reply 2 on: Feb 15, 2020
:D TYSM


blakcmamba

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Reply 3 on: Yesterday
Wow, this really help

 

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