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How many coulombs are required to plate a layer of chromium metal 0.23 mm thick on an automobile bumper with a total area of 0.32 m2 from a solution containing CrO42 The density of chromium metal is 7.20 g/cm3. b. What current is required for this electroplate if the bumper is to be plated in 6.0 s
The molar solubility of AgCl in 6.5 x 10^-3 M AgNO3 is 2.5 x 10^-8 M. In deriving Ksp from these data, which of the following assumptions are reasonable? A) Ksp is the same as solubility.
A voltaic cell with Mn/Mn2+ and Cd/Cd2+ half-cells has the following initial concentrations: [Mn2+] = 0.090M and [Cd2+] = 0.060M. What is the equilibrium concentration of Cd2+
coal can be used to generate hydrogen gas a potential fuel by the following endothermic reaction.cs h2og lt gt cog
Calculate the pH of a solution prepared by mixing 20.5mL of a 0.500M sodium fluoride solution with 32.5mL of a 0.750M hydrofluoric acid solution.
A piece of dry ice (solid carbon dioxide) with a mass of 28.5 g is allowed to sublime (convert from solid to gas) into a large balloon. Assuming that all of the carbon dioxide ends up in the balloon, what will be the volume of the balloon at a tem..
when a blue copper(II)nitrate solution is mixed with a colorless solution of sodium sulfide
A voltaic cell that uses reaction: PdCl4^2-(aq)+Cd(s)-->Pd(s)+4Cl-(aq)+Cd^2+(aq) has a measured standard cell potential of +1.03V 1. Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cel..
(a) An electroplating solution is made up of nickel(II) sulfate. How much time would it take to deposit 0.500 g of metallic nickel on a custom car part using a current of 3.00 A
What is the optical purity, or enantiomeric excess, of the 2-octanol produced in this reaction? 10% S. What is the ratio of enantiomers of 2-octanol in the product mixture
Determine What would be the total volume in the graduated cylinder if density of Ag= 10.5 g/mL.?
1.what is the ph of the solution created by combining 11.50 ml of the 0.10 m naohaq with 8.00 ml of the 0.10 m
Standard reduction potentials are given on the next page. (a) Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (b) What is the pH in the Pt | H+ | H2 half-cell? (c) What is the value of the equilibrium constant fo..
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