# Chemistry

What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the following conditions?
[H+] = 0.38
P(H2) = 3.8
T = 298 K

1. 👍 0
2. 👎 0
3. 👁 4,562
1. I assume that's 3.8 atm.
2H^+ + 2e ==> H2
E = Eo - (0.0592/2)log[(pH2/(H^+)^2]

1. 👍 1
2. 👎 0
2. Wait but there is no Eo

1. 👍 0
2. 👎 0
3. Yeah then how would you calculate it

1. 👍 0
2. 👎 0
4. I had a similar question why doesn't Eo count is it because it is under standard conditions?

1. 👍 0
2. 👎 0
5. Eo is zero, right? :-)
The SHE under standard condition is always 0.

1. 👍 1
2. 👎 0

## Similar Questions

1. ### chemistry

When an ion-selective electrode for X was immersed in 0.0210 M XCl, the measured potential was 0.0480 V. What is the concentration of X when the potential is 0.0630 V? Assume that the electrode follows the Nernst equation, the

2. ### General Chemestry

A galvanic (voltaic) cell consists of an electrode composed of chromium in a 1.0 M chromium(II) ion solution and another electrode composed of gold in a 1.0 M gold(III) ion solution, connected by a salt bridge. Calculate the

3. ### chemistry

A. What is the standard potential, in volts, of a galvanic cell made of Ce4+ and Cu2+, given the standard reduction potentials below? Ce4+ + e− → Ce3+ Eº = 1.61 V Cu2+ + 2e− → Cu(s) Eº = 0.34 V I think it is 1.27 V but

4. ### CHEMISTRY

The standard electrode potential for the reduction of Eu3+(aq) to Eu2+(aq) is −0.43 V. determine which of the following is capable of reducing Eu3+(aq) to Eu2+(aq) under standard-state conditions? (a) Sn2+(aq) (b) ln(s) (c)

1. ### College Chemistry

A Galvanic cell consists of Mg electrode in a 1.0 mol L -1 Mg(NO3)2 solution and a Ag electrode in a 1.0 mol L-1 AgNO3 solution. Calculate standard emf for the spontaneous reaction of this electrochemical cell at 25 C, given that

2. ### Chemistry

Consider the following cell: Pt|H2(g, 0.460 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.00 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate

3. ### Chemistry

Calculate the standard electrode potential for the reaction Cr2+ +3e=Cr(E=-0.74V Cr3+ +e-=Cr2+(E=-0.41V)

4. ### Chemistry

A galvanic (voltaic) cell consists of an electrode composed of aluminum in a 1.0 M aluminum ion solution and another electrode composed of fold in a 1.0 M gold (III) ion solution connected by a salt bridge. Calculate the standard

1. ### Chemistry

Why are standard electrode potentials affected by the nature of the electrode?

2. ### Analytic Chemistry

At 25 °C, you conduct a titration of 15.00 mL of a 0.0260 M AgNO3 solution with a 0.0130 M NaI solution within the following cell: Saturated Calomel Electrode || Titration Solution | Ag (s) For the cell as written, what is the

3. ### science

The potential of hydrogen electrode is -118MV.thr H^+ concentration of the solution is a)0.01M b)2M C)10^4M d)1M