Explain chromium metal from a solution of cr3+

Assignment Help Chemistry
Reference no: EM13523885

A) How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cr3+ using a current of 35.2 amps in an electrolyte cell

B) How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0 amp for 10.0 hours

C) Strontium-90 is a byproduct in nuclear reactors fueled by the radioisotope uranium-235. The half-life of strontium-90 is 28.8 yr. What percentage of a strontium-90 sample remains after 75.0 yr?

Reference no: EM13523885

Questions Cloud

Explain what volume will it occupy at the same temperature : A sample of gas occupies 1.40*10^3 ml at 25 degrees C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg
Find how high is the cliff if the speed of sound is given : You are climbing in the High Sierra where you suddenly find yourself at the edge of a fog-shrouded cliff, how high is the cliff if the speed of sound is 330 m/s
Explain what is the final volume of nitrogen : A sample of nitrogengas has a volume of 32.4 L at 20 degrees celcius. The gas is heated to 220 degrees celcius at a constant pressure. What is the final volume of nitrogen
Find the acceleration of this car when it is speeding up : According to recent test data, an automobile travels 0.250 mi in 19.9 s, starting from rest. The same car, when braking from 60.0 mi/h on dry pavement, stops in 146 ft. Find the acceleration of this car when it is speeding up
Explain chromium metal from a solution of cr3+ : How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cr3+ using a current of 35.2 amps in an electrolyte cell
Calculate how far will you walk : While following a treasure map, you start at an old oak tree. You first walk 825m directly south, then turn and walk 1.25 km at 30.0 west of north, how far will you walk
Explain calcium hydrogen phosphate : Calcium hydrogen phosphate is a component of plant fertilizers (a source of phosphate). It is a relatively insoluble hydrated ionic compound, CaHPO4·2H2O, with a Ksp of 2.7×10-7 at 25°C
Calculate the selling price for each bond issued : 1). 830 bonds, 1000 face value, 8% stated rate, 10 year semi annual interest payment. Assuming the market rate of interest is 10% calculate the selling price for each bond issued. Answer to nearest dollar.
Find how many times higher will it go than it would on earth : The acceleration due to gravity on the Moon is about one-sixth what it is on Earth. how many times higher will it go than it would on Earth

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd