A layer of chromium metal 0.25 mm thick is to be plated on an auto bumper with a total area of 032`m^2` from a solution cantaining `CrO_4^(2-)`? What current flow is required for this electroplating if the bumper is to be plated in 60s ? The density of chromium metal is 7.20g/`cm^3`

A layer of chromium metal 0.25 mm thick is to be plated on an auto bumper with a total area 0.32m^(2) from a solution containing CrO_4^(2-) ? What current flow is required for this electroplate if bumper is to be plated in 60s ? The density of churomnium metal is 7.20g / cm^(3)

How many grams of copper could be plated out on a serving tray by electrolysis of a solution containing copper in +2 oxidation state for a period of 8.0 h at a current of 8.46 A? What is the area of the tray, if the thickness of the copper plating is 0.00254 cm? Density of copper is 10.5 g//cm^(3) .

Chromium metal can be plated out from an acidic solution containing CrO_(3) according to the following equation: CrO_(3)(aq)+6H^(+)(aq)+6e rarr Cr(s)+3H_(2)O (1) How many grams of chromium will be plated out by 24000C?

Chromium metal can be plated out from an acidic solution containing CrO_(3) according to the following equation: CrO_(3)(aq)+6H^(+)(aq)+6e rarr Cr(s)+3H_(2)O (2) How long will it take to plate out 1.5 g of chromium by using 12.5 A current?

Chromium metal can be plated out from an acidic solution containing CrO_3 according to the following reaction: CrO_3(aq)+6H^+(aq)+6barerarrCr(s)+3H_2O Calculate how long will it take to place out 1.5 g of chromium using 12.5 amp current? (Atomic mass of Cr=52)

What current would be required to deposit 1.00 m^(2) of chromium plate having a thickness of 0.052mm in 4.5h from a solution of H_(2)CrO_(4) ? The current efficiency is 74% and density of chromium is 7.19 g cm^(-3) . [Atomic mass of Cr= 52u]

A metal plate of area 2m^2 is pulled horizontally with a velocity of 0.5m^-1 on a liquid layer 1mm thick. The force required, if the viscosity of liquid is 12Nsm^-2 is

Chromium metal can be plated out from an acidic solution containing CrO_(3) according to following equation, CrO_(3(aq.))+6H^(+)+6e rarr Cr_((s))+3H_(2)O Calculate : (i) How many gram of chromium will be plated out by 2400 columb ? (ii) How long will it take to place out 1.5g Cr by using 12.5 ampere current ?