Author Question: The following has a potential of 0.34 V:Cu2+(aq) + H2(g) 2H+(aq) + Cu(s)If the concentrations of ... (Read 34 times)

londonang · **on:** Mar 21, 2021

Question 1

The equilibrium constant at 25°C for the reaction Al + 3Cu²⁺

2Al³⁺ + 3Cu is approximately

◦ 10²⁰³

◦ 10³⁴

◦ 10⁶⁸

◦ 10^–203

◦ None of these are correct.

Question 2

The following has a potential of 0.34 V:

Cu²⁺(aq) + H₂(g) → 2H⁺(aq) + Cu(s)

If the concentrations of the ions were 1.0 M and the pressure of H₂ were 1.0 atm, then E° for the half-reaction Cu²⁺(aq) + 2e^–→ Cu(s) would be

◦ –0.34 V
◦ –0.17 V
◦ 0.17 V
◦ 0.34 V
◦ None of these are correct.

Juro · **Reply #1 on:** Mar 21, 2021

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