# Calculating Energy in Electrochemical Processes

### Topic Page

Calculating Energy in Electrochemical Processes### Questions

- How do cells generate an electrochemical gradient?
- How do electrochemical cells produce voltage?
- How do you calculate electrochemical cell potential?
- What factors affect electrochemical cells?
- What is an electrochemical cell that generates electrical energy?
- How can I use the Nernst equation to calculate the free energy change for oxidation reduction reactions?
- What is the Nernst equation?
- What are some common mistakes students make with the Nernst equation?
- What are some examples of electrochemical processes?
- How does pH affect the Nernst equation?
- How does temperature affect the Nernst equation?
- How can I solve the Nernst equation?
- Is corrosion an electrochemical process?
- Why is the Nernst equation important?
- Effect of concentration on electrode potential according to the Nernst equation?
- What is the Nernst potential?
- Can the Nernst equation be expressed directly in terms of concentrations?
- When using the Nernst equation when can it be directly express in terms of concentrations or activities?
- Does the Nernst equation also apply when there is a net current flow through the electrode?
- What are the Boltzmann factors?
- What is an electrochemical reaction?
- What is the electromotive force?
- Question #94f7e
- What is the Nernst equation?
- What is the Nernst equation?
- A Cu/Cu2+ concentration cell has a voltage of 0.22 V at 298K. The concentration of Cu2+ in one of the half-cells is 1.6E−3 M. What is the concentration of Cu2+ in the other half-cell?
- Question #2eac3
- Question #0529c
- Question #cde21
- Question #8e5c1
- Question #3e1de
- What is the voltage of a galvanic cell made with zinc and aluminum at standard conditions?
- Question #24d99
- Question #a4ee5
- For the reaction of #"Au"^(3+)# with #"Cl"_2#, if #["Cl"^(-)]# and #["Au"^(3+)]# were initially #"0.10 M"# and #"0.25 M"# respectively, while #P_("Cl"_2) = "0.5 bar"# initially, what is #E_(cell)#?
- Question #c9882
- Question #beb88
- Question #39e4b
- What is the standard cell potential for the reaction of silver cation with aluminum metal?
- What is the potential of the 1/2 cell #Cu^(2+)+2erightleftharpoonsCu# if #[Cu^(2+)]=0.1M?# # E^@=+0.34V#.
- What is a material that allows heat to move through it easily?
- What's the cell potential?
- Would you expect molten sodium chloride to conduct electricity? Why or why not?
- The electrical conductivity of #KI#(aq) is greater than the electrical conductivity of #H_2O#(l) because the #KI#(aq) contains mobile what?
- Question #3a73e
- Does the electrolyte in a lead acid battery bubble and then evaporate due to the the heat change associated with the electrochemical reactions in the battery or is it something else?
- What are organisms that use chemical substances as a source of energy?
- Question #9b0c6
- For the 1/2 cell #sf(MnO_4^(-)+8H^(+)+5erightleftharpoonsMn^(2+)+7H_2O)# the value of #sf(E^(@)=+1.51V)#. What is the value for E if #sf([MnO_4^(-)]=0.0001M)# and #sf([Mn^(2+)]=0.0005M)# ?
- How do you find the E_cell given standard E_cell, Molarity, and the chemical reaction equation?
- Question #c0c2e
- Question #2bd1a
- Question #0c19b
- Question #c7e45
- What is the cell potential for the reaction# Mg(s)+Fe^(2+)(aq)\rarrMg^(2+)(aq)+Fe(s)# at 47 °C when #[Fe^(2+)]#= 3.50 M and #[Mg^(2+)]#= 0.110 M?
- The following cell is operated as an electrolytic cell, using a current of 0.480 A . The volume of each solution is 100.0 mL. Electrolysis is stopped after 10.00 h , and the cell is allowed to function as a voltaic cell. What is #E_(cell)# at this point?
- Full steps of getting Nernst's equation?
- Help out with the following questions about the Nernst equation and #"NAD"^+#, cytochrome c, and #"Fe"# ions?
- Question #867f3
- What is the equation that connects pH and its effect on electric potential of an electrochemical cell?
- Calculate the amount of energy not used to produce electricity when a photon of wavelength #1*10^-12m# hits sodium metal which has a work function of 2.3eV?
- In a hydrogen/oxygen fuel cell 67.2 litres of hydrogen is consumed in 5 minutes. What electric current will be produced at #sf(0^@C)# and 1 atmosphere pressure ?
- Question #471de
- Electrolysis: #"Sn"^(2+) "||" "Br"_2# What is the reaction, determine E cell, equilibrium constant and direction of electron flow? Draw cell and label anode and cathode.
- Question #138dd
- Consider the reaction #2AgCl+Cu^(2+)rarr2AgCl+Cu#. Given that #DeltaG_("rxn")=-22.kJ#, How do you find the value for #E_(rxn)^@# ?