Question

A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the...

A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is a hydrogen electrode (P(H2) = 1 atm) immersed in a solution of unknown [H+]. If the cell potential is 0.179 V, what is the pH of the unknown solution at 298 K?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Hope it helps you please thumb's up.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A pH meter employs a voltaic cell for which the cell potential is very sensitive to...
A pH meter employs a voltaic cell for which the cell potential is very sensitive to pH. A simple (but impractical) pH meter can be constructed by using two hydrogen electrodes: one standard hydrogen electrode and a hydrogen electrode (with 1 atm pressure of H2 gas) dipped into the solution of unknown pH. The two half-cells are connected by a salt bridge or porous glass disk. a)Write the half-cell reactions for the cell. 1) No reaction. 2) H+(aq,1M)+H2O(l)→H3O+(aq), H2(g)→2H+(aq,1M)+2e−. 3)...
A voltaic cell is set up with copper and hydrogen half-cells. Standard conditions are employed in...
A voltaic cell is set up with copper and hydrogen half-cells. Standard conditions are employed in thecopper half-cell, Cu2+(aq, 1.00 M)|Cu(s). The hydrogen gas pressure is 1 atm, and [H+] in the hydrogen half-cell is the unknown. A value of 0.500 V is recorded for Ecellat 298 K. Determine the pH of the solution.
What is the pH of the solution at the cathode if the standard electrode potential equals...
What is the pH of the solution at the cathode if the standard electrode potential equals –0.362 V for the following electrochemical cell at 25 °C?                                                  Pt | H2(g, 1.0 atm) | H+(aq, 1.00 M) || H+(aq) | H2(g, 1.0 atm) | Pt
A voltaic cell is constructed by connecting a nickel electrode that is dipped into 1.20 M...
A voltaic cell is constructed by connecting a nickel electrode that is dipped into 1.20 M NiSO4 solution to a chromium electrode that is dipped into a solution containing Cr3+ at an unknown concentration. The potential of the cell is measured to be 0.552 V. What is the concentration of the Cr3+ in the solution? 5.3 x 10‒3 M 9.5 x 10‒4 M 1.3 x 10‒5 M 2.9 x 10‒4 M 5.8 x 10‒5 M
A voltaic (galvanic) cell is constructed using a manganese electrode placed in 1.00 L of a...
A voltaic (galvanic) cell is constructed using a manganese electrode placed in 1.00 L of a 0.272 M MnSO4 solution and a nickel electrode placed in 1.00 L of a 0.0146 M NiSO4 solution at 25°C. Determine the starting cell potential in (V).
1)A voltaic cell is constructed in which the anode is a I-|I2 half cell and the...
1)A voltaic cell is constructed in which the anode is a I-|I2 half cell and the cathode is a Cl-|Cl2 half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: The cathode reaction is: The net cell reaction is: In the external circuit, electrons migrate _____the I-|I2 electrode ____...
What would the potential of a standard hydrogen (S.H.E) electrode be if it was under the...
What would the potential of a standard hydrogen (S.H.E) electrode be if it was under the following condition ? [H+]=0.56 M , P H2=4.3 atm, T=298. How do I solve ?
Consider the following voltaic electrochemical cell reactions of (under standard conditions) 1) Copper (cathode ) and...
Consider the following voltaic electrochemical cell reactions of (under standard conditions) 1) Copper (cathode ) and Zinc (anode) 2) Copper (cathode) and Magnesium (anode) 3) Zinc (cathode) and Magnesium (anode) Of the electrochemical cell reactions listed above (1 - 3) which would be expected to have the smallest K Value? Elaborate.
Enter electrons as e-. A voltaic cell is constructed in which the anode is a Cu|Cu2+...
Enter electrons as e-. A voltaic cell is constructed in which the anode is a Cu|Cu2+ half cell and the cathode is a F-|F2 half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: + + The cathode reaction is: + + The net cell reaction is: + +...
1)A standard galvanic cell is constructed in which a H+ | H2 half cell acts as...
1)A standard galvanic cell is constructed in which a H+ | H2 half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) a) H2 is oxidized at the cathode. b) The cathode reaction is 2H+ + 2e- -> H2 c) Mn2+|Mn could be the other standard half cell. d) Fe3+|Fe2+ could be the other standard half cell. e) In the external circuit, electrons flow...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT