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

Respond to this Question

First Name

Your Response

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

  4. Chemistry...please help

    A galvanic cell is based on the following half-reactions: Fe2+ + 2e- --> Fe(s) E= –0.440 V 2H+ + 2e- --> H2(g) E= 0.000 V where the iron compartment contains an iron electrode and [Fe2+] = 1.00 x 10-3 M and the hydrogen

You can view more similar questions or ask a new question.