A thin film of zinc is to be deposited on one side of a steel sheet. Determine the zinc film thickness per 1cm2 of steel sheet if 2 A current was used and the electrolytic deposition process was done for exactly 30 minutes at 25oC. The zinc solution has a concentration of 1 M and can be assumed to be constant throughout the process.

A thin film of zinc is to be deposited on one side of a steel sheet. Determine the zinc film thickness per 1cm2 of steel sheet if 2 A current was used and the electrolytic deposition process was done for exactly 30 minutes at 25oC. The zinc solution has a concentration of 1 M and can be assumed to be constant throughout the process.

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter11: Dynamic Electrochemistry

Section: Chapter Questions

Problem 6P

See similar textbooks

Similar questions

A thin film of zinc is to be deposited on one side of a steel sheet. Determine the zinc film thickness per 1cm2 of steel sheet if 2 A current was used and the electrolytic deposition process was done for exactly 30 minutes at 25oC. The zinc solution has a concentration of 1 M and can be assumed to be constant throughout the process. pls explain the solution shown in the figure thoroughly or you can come up with your own thank you
Knowing that an electroplating industry wants to coat a steel sheet with a layer of metallic Cu by an electrodeposition process, what is the time to deposit a 50 μm layer on a 10 cm2 plate applying a current density of 30 mA /cm2 if process efficiency is 75%.
Compute the resistivity of aluminum wire 5mm in diameter and 5 m long
A 2-meter copper conductor which has a cross-sectional area of 8 x 10 – 7 m2 has a potential energy difference of 6 volts between its ends. The resistivity of copper is 1.7 x 10 – 8 Ω-m. Find: a. The resistance of the conductor, and b. The current passing through it
An atomic beam is designed to function with (a) cadmium, (b) mercury. The source is an oven maintained at 380K with a small slit of dimensions 1.0cm x 1.0 x 10-3cm. The vapor pressure of cadmium is 0.13 Pa nd that of mercury is 12 Pa at this temperature. What is the atomic current (the number of atoms per second) in the beams?
We apply a voltage of 10 V to Fcc an aluminum wire 2 mm diameter and 20 m long , if 10 % of the valence electrons carry the electrical charge , the parameter of cell α = 0. 4049 nm , electrical conductivity σ = 3.77 ×105 cm-1. Ω-1. , calculate the average drift velocity of the electrons in m/sec
Chromium is diffused into steel at 980o C to increase its corrosion resistance. If during the diffusion the surface concentration of chromium is maintained constant, how long will it take to achieve 1.8% of the surface concentration at a depth of 0.002 cm below the steel surface? Express your answer in seconds. The diffusivity has a pre-exponential term equal to 0.54 cm2/s and an activation energy of 286 kJ/mole.
For Cyclic Voltammetry this data is given from 13 ul aliquot of a 0.1 mM concentration. From this determine its concentration.
Please assist with the following sub questions of question 1. a) The conductivity of a 0.05M solution of acetic acid at 18⁰C is 4.4×10-4 (ohms)-1cm-1. Limiting molar conductivity of acetic acid at the same temperature is 387 (Ohms)-1cm². Calculate the dissociation constant (Ka) of acetic acid? b) The resistivity of aluminum is 2.824×10-8 ohms.m. Calculate the potential drop across a piece of aluminum wire that is 2.0 mm in diameter and 1.00 m long. Assume current is 1.25 A. C) Calculate the conductance and conductivity of a metal if the resistivity of the metal is 2.824×10-8 ohms.m, with resistance of 9.0×10-3 ohms when current is 1.25 A.
Carbon is allowed to diffuse through a steel plate 12 mm thick. The concentrations of carbon at the two faces are 0.87 and 0.42 kg C/m3 in Fe, which are maintained constant. If the preexponential and activation energy are 6.2 × 10-7 m2/s and 80,000 J/mol, respectively, compute the temperature (in K) at which the diffusion flux is 6.4 × 10-10 kg/m2-s.
Copper was electroplated from a Cu2SO4 solution onto an electrode with an active surface area of 3.72 cm2. Determine the thickness (mm) of the deposit if the current is kept constant at 3.5 A for 0.7053 hours. (density of Cu = 8.96 g/cm3, MW of Cu = 63.55 g/mol). Input values only with 2 decimal places only.
.A conductance cell filled with 0.01 M solution of an electrolyte offered a resistance of 2300 ohms. If the electrodes of the cell are 1.90 cm apart and have an area of cross-section equal to 4.70 sq cm, calculate specific conductance Calculate the Molar conductivity