State metallic magnesium can be made by the electrolysis

Assignment Help Chemistry
Reference no: EM13162971

Metallic magnesium can be made by the electrolysis of molten MgCl2. What mass of Mg is formed by passing a current of 6.40 A through molten MgCl2 for 4.90 days? How many minutes are needed to plate out 21.00 Mg from molten MgCl2 , using 4.00 A of current?

Reference no: EM13162971

Questions Cloud

State graphite is a semi-metal composed of sheets : Graphite is a semi-metal composed of sheets of fused benzene rings. There are no bonds between sheets, only van der Waals interactions
What is the concentration of hydrogen ions : What is the concentration of hydrogen ions in a solution containing 0.321 M HOCN (cyanic acid) and 0.223 M (NaOCN) (sodium cyanate)? The ionization constant of cyanic acid is 3.5 × 10-4.
What is the molecular formula of this compound : Analysis of a carbohydrate showed that it consisted of 40.0 % C, 6.71 % H and 53.3 % O by mass. Its molecular mass was found to be between 140 and 160 amu. What is the molecular formula of this compound?
Some alloys of early also late transition metals : Some alloys of early and late transition metals (e.g., ZrPt3) have much higher enthalpies of vaporization (per metal atom) than either of the pure metals
State metallic magnesium can be made by the electrolysis : Metallic magnesium can be made by the electrolysis of molten MgCl2. What mass of Mg is formed by passing a current of 6.40 A through molten MgCl2 for 4.90 days?
What would be the probable consequence of reporting : In a precipitate lab, if the step for digesting the precipitate were omitted, what would be the probable consequence of reporting the "percent limiting reactant" in the salt mixture? Explain.
State starting from the left side of the periodic table : Starting from the left side of the periodic table, the melting and boiling points of the elements first increase, and then decrease
Compute the fraction of space that is occupied by packing : Calculate the fraction of space that is occupied by packing spheres in the (a) simple cubic, (b) body-centered cubic, (c) face-centered cubic (close packed) structures
What mass of during the discharge of an alkaline battery : During the discharge of an alkaline battery, 4.90of Zn are consumed at the anode of the battery. What mass of MnO2 is reduced at the cathode during this discharge?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain rate constant for the reaction is tabulated

Calculate Ea. Express your answer using two significant figures Ea= kJ/mol Calculate A. Express your answer using one significant figure. A = M-1s-1

  Find relationship between refractive index and mole fraction

Relationship between refractive index and mole fraction, How can you use refractive indices to calculate weight % composition of a distillate and its residue? How can you convert the weight % composition to mole fractions?

  Find the initial rate of reaction

How many milliliters of O2 measured at 24C and 757mmHg , are released from solution in the first minute of the reaction? Please find volume

  What is the solubility

The solubility of a gas in water is 0.22 g/L at 20.0 kPa of pressure. what is the solubility when the pressure is increased to 115 kPa?

  What magnitude of current is required

What magnitude of current is required to produce 1.0 kg of sodium metal in one hour by electrolysis?

  How many moles of acetylene (c2h2) will be produced

If 4.10 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?

  What mass of during the discharge of an alkaline battery

During the discharge of an alkaline battery, 4.90of Zn are consumed at the anode of the battery. What mass of MnO2 is reduced at the cathode during this discharge?

  What is the limiting reagent

How many grams of Cu(OH)2 can be produced from the reaction of 0.500g Cu with 30.0 mL of 3.0M NaOH? what is the limiting reagent?

  What is the ph of a solution prepared

what is the ph of a solution prepared by mixing 50.0ml of 0.125M KOH and 50.0 ml of 0.125M HCl

  What magnitude of current is required

A major source of sodium metal is produced as a result of electrolysis of molten sodium chloride. What magnitude of current is required to produce 1.0 kg of sodium metal in one hour

  Explain methylated lidocaine

Methylated lidocaine, Lidocaine is thought to bind to receptors in its methylated form. Identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding an ionic interaction

  What mass of hcn and of h2o will be produced

If 5.28 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?

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