Calculate the effect that increasing the overpotential from 0.50 V to 0.60 V has on the current density in the electrolysis of 1.0 m NaOH(aq), which is 1.22 mA cm−2 at 0.50 V and 25 °C. Take α = 0.50.

Calculate the effect that increasing the overpotential from 0.50 V to 0.60 V has on the current density in the electrolysis of 1.0 m NaOH(aq), which is 1.22 mA cm−2 at 0.50 V and 25 °C. Take α = 0.50.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.2QAP

See similar textbooks

Related questions

Q: Describe the source of pH dependence in a glass membrane electrode.

A: So basically in this the pH dependence will come as the glass electrode have two electrodes that is…

Q: Write the processes by which adsorption of electrolyte or ionic species at electrode surface take…

A: Interpretation: To write the processes by which adsorption of electrolyte or ionic species at…

Q: the largest variation of current of Ar* i

A: In this question we have to explain what energy of the largest variation of current of Ar+ ions to…

Q: By how much does the cell potential change when Q is decreased by a factor of 10 for a reaction in…

Q: Consider the reaction at 25°C (Masterton et al., 2012) Mn02(s) + 4 Hčaq) + 2 Brīag) 2+ → Mnfag) +…

A: We have been asked to find the pH at which the voltage is zero. Reaction is at 25°C

Q: equilibrium constant

Q: The equilibrium pressure of H2 over a mixture of solid uranium and solid uranium hydride at 500 K is…

Q: Describe the mechanism of proton conduction in water. Could a similar mechanism apply to proton…

A: Grotthus mechanism of proton conduction,

Q: Propagation of uncertainty. In an extremely accurate measurement of the Faraday constant, a pure…

A: This problem is related to Faraday`s Law of electrolysis, states as "mass of substance deposited or…

Q: Determine the non-standard potential of the cell below, set up at 340 K:

A: Given: cell notation

Q: Define the term a standard hydrogen electrode?

A: An electrode is a point in the electrolyte where current enters and exits. The cathode is where the…

Q: The mobility of a Rb+ ion in aqueous solution is 7.92 × 10−8 m2 s−1 V−1 at 25 °C. The potential…

A: It is referred to the average velocity of free electrons colliding within the system with one…

Q: From the biological standard half-cell potentialsE⊕(O2,H+,H2O) = +0.82 V and E⊕(NADH+,H+,NADH) =…

A: E0cell- E0cell= E0cathode - E0anode Oxidation takes place at anode Reduction takes place at cathode…

Q: Which unit is used to measure the magnitude of electricalcurrent? Which unit is used to measure the…

A: Electrical energy is the energy derived from the movement of electrons. In electrical energy, the…

Q: Why is it not possible to measure single electrode potential?

A: Potential difference in the electro-chemical cell is generated due to the redox reaction occurring…

Q: How many electrons or protons are transported through the double layer per second for each of the…

Q: why is it important to study the migration of ions independently when performing electrochemical…

A: The electrochemical calculation involves determination of molar conductance of solution. The…

Q: The molar conductivity of 0.010 M CH3COOH(aq) is 1.65 mS m2 mol-1. What is the acidity constant, Ka,…

Q: Describe and justify the approximations used in the derivation of the Henderson-Hasse lbalch…

A: Henderson-Hasse lbalch equation: The equation is used to calculate the pH of a buffer solution. The…

Q: In the electrolysis of water, how long will it take to produce 1.000 × 102 L of H2 at STP (273 K and…

A: Volume of H2 produced = 100 L at STP i.e P = 1 bar = 0.987 atm and T = 273 K.

Q: Molten ScCl3 can be electrolyzed to form metallic Sc. For what duration should an electrolysis be…

Q: By how much does the cell potential change (in volts) when Q is increased by a factor of 21 for a…

A: Answer:

Q: The cell constant of a conductance cell is 388.1 m-1. At 25oC the resistance of a 4.8 x 10-4 mol…

Q: The biological standard reaction Gibbs energies, at pH = 7, for the hydrolysis of…

A: Given: ΔrGo for hydrolysis of glucose-1-phosphate = -21 KJ/mol. = -21000 J/mol.…

Q: When a current of 0.4 A flows for 1.5 micro-seconds in a coper wire, estimate the number of…

A: Calculate the total magnitude of charge. Charge = Current × TimeCharge = 0.4 A × 1.5 × 10-6 sCharge…

Q: Estimate the pH of 1.5 x 10-4 M CH3COOH (aq), being careful to treat this solution as dilute, and…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In the electrolysis of water, how long will it take to produce 1.000 × 102 L of H2 at STP (273 K and…

A: Oxidation is the process that involved the loss of electrons and oxidized to cation. Hence when a…

Q: Q. No. 2: How can you differentiate lonization, proportional and G.M counter? Please support your…

Q: In the electrolysis of water, how long will it take to produce 1.000 × 102 L of H2 at STP (273 K and…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant =…

Q: Describe an electrochemical method for the determination of thermodynamic properties of a chemical…

A: The formulas of electrochemical method to determine the thermodynamic properties of a chemical…

Q: Show mathematically whether changes in Q have a large effect on Ecell (standard electrode cell )at…

A: Relation of Gibb's free energy with Q: ∆G=∆G∘+RTlnQ This is under non standard conditions. Relation…

Q: Calculate AG, at 298K, for the dissociation of lead(II) iodide in water given that the equilibrium…

A: The standard Gibbs free energy and equilibrium constant are related by the following formula.

Q: Q1: In argon gas, the interaction between two Ar atoms, separated by a distance r, can be very well…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Potentiometric methods of analysis are based upon measurements of the potential of electrochemical…

A: The potentiometry technique involves the measurement of cell potentials under conditions of no…

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Equilibrium constant at 2000 K is calculated as,

Q: e allowed to react in a vessel maintained at a temperature of 300 K and a pressure of 10ʻPa. ) Write…

Q: The mobility of a Li+ ion in aqueous solution is 4.01 × 10−8 m2 s−1 V−1 at 25 °C. The potential…

A: The expression for drift speed of the ion is given by - s = u∆ϕl where s = drift speed of the ion…

Q: Why is it necessary for the glass in the membrane of a pH sensitive electrode to be appreciably…

A: Hygroscopic substances are those substances which can absorb moisture from the environment.…

Q: The exchange current density at the electrode Pt| Fe3+| Fe2+ is 2.4 x 10-3 A cm-2, How many…

A: The number of singly charged particles transported per unit time per unit area at equilibrium is the…

Q: Estimate the pH of an aqueous solution of sodium hydrogenoxalate.Under what conditions is this…

A: The point at which the titrant added is able to completely neutralize the analyte is known as…

Q: Express the relation among the conductivity of solution in the cell, the cell constant and the…

A: Conductivity: It is the measure of the ability of a solution to conduct electricity. Cell constant:…

Q: Estimate the ionization constant for acetic acid at 35°C from thermodynamic considerations.

A: Answer -

Q: The standard Gibbs energy of reaction, ΔGr°, for the dissociation of phenol is 56.4 kJ mol-1 at 298…

Q: 6) What standard condition(s) the electrochemistry experiment? are violated when using the version…

A: Nernst equation helps to calculate cell potentials and the direction of a spontaneous reaction at…

Question

Calculate the effect that increasing the overpotential from 0.50 V to 0.60 V has on the current density in the electrolysis of 1.0 m NaOH(aq), which is 1.22 mA cm⁻² at 0.50 V and 25 °C. Take α = 0.50.

Definition Definition Process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The mobility of a Rb+ ion in aqueous solution is 7.92 × 10−8 m2 s−1 V−1 at 25 °C. The potential difference between two electrodes, separated by 7.00 mm and placed in the solution, is 25.0 V. What is the drift speed of the Rb+ ion?
From the biological standard half-cell potentialsE⊕(O2,H+,H2O) = +0.82 V and E⊕(NADH+,H+,NADH) = -0.32 V, calculate the standard potential arising from the reaction in which NADH is oxidized to NAD+ and the corresponding biological standard reaction Gibbs energy.
A fuel cell develops an electric potential from the chemical reaction between reagents supplied from an outside source. What is the potential of a cell fuelled by (a) hydrogen and oxygen, (b) the complete oxidation of benzene at 10 bar and 298 K?
By how much does the cell potential change when Q is increased by a factor of 5 for a reaction in which ν = 3 at 298 K?
How many electrons or protons are transported through the double layer per second for each of the electrodes Cu,H2|H+ and Pt|Ce4+,Ce3+ when they are at equilibrium at 25 °C? Take the area as 1.0 cm2 in each case. Estimate the number of times each second a single atom on the surface takes part in an electron transfer event, assuming an electrode atom occupies about (260 pm)2 of the surface.
The mobility of a Li+ ion in aqueous solution is 4.01 × 10−8 m2 s−1 V−1 at 25 °C. The potential difference between two electrodes separated by 5.00 mm and placed in the solution, is 24.0 V. What is the drift speed of the ion?
The standard potentials for the reduction of nicotinamide adenine dinucleotide (NAD+) and oxaloacetate (reactants in the multistep metabolism of glucose) are as follows: Calculate the equilibrium constant at 298.15 K for the reaction.
The standard cell potential of a Daniell cell, with cell reactionZn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s), is 1.10 V at 25 °C.Calculate the corresponding standard reaction Gibbs energy.
The standard Gibbs energy of reaction, ΔGr°, for the dissociation of phenol is 56.4 kJ mol-1 at 298 K. Calculate the pKa of phenol.
By how much does the cell potential change when Q is decreased by a factor of 10 for a reaction in which ν = 2 at 298 K?
If the mitochondrial electric potential between the matrix and the intermembrane space were 42 mV, how much ATP could be synthesized from the transport of 4.5 mol H+, assuming the pH difference between the matrix and the intermembrane space is -1.5? Note that the standard Gibbs energy for the hydrolysis of ATP to ADP is -31 kJ/mol.
Describe the mechanism of proton conduction in water. Could a similar mechanism apply to proton conduction in liquid ammonia?