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Magnesium is produced commercially by electrolysis from a molten salt using a cell similar to the one shown here.
(a) What salt is used as the electrolyte?
(b)Which electrode is the anode, and which one is the cathode?
(c)Write the overall cell reaction and individual half-reactions.
(d) What precautions would need to be taken with respect to the magnesium formed?
How can glycine act as a buffer at pH 6.00 and why? Please use chemical equations to show how it can act as a buffer at this pH specifically?
Calculate the velocity (in units of m/s) of an electron having a mass of 9.09 x 10 -28 g and wavelength of 99.9 nm
Explain amino acids are the building blocks of proteins. The simplest amino acid is glycine. Describe a Lewis structure for glycine. The central atoms in the skeletal structure are nitrogen bonded to carbon which is bonded to another carbon.
A 91 gram solution of silver nitrate contains 8 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
what is the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. write none if no insoluble salt forms. a)AgNo3(aq) + Na2SO4(aq). b)KCl(aq) + Pb(NO3)2(aq). c)CaCl2(aq) + (NH4)3PO4(aq). ..
Suppose you r making some tea,and have boiled water and added leaves to the water.Then you realize you cannot find the strainer.
A pure substance can exist simultaneously as a solid, liquid, and vapor only at: 1. the critical point 2. at the triple point 3. at the boiling point 4. at no temp. 5. at all temp.
A 4.867 g sample of a monoprotic acid was dissolved in water. It took 30.24 mL of a 0.1578 M NaOH solution to neutralize the acid. Calculate the molar mass of the acid.
A gas is compressed from an initial volume of 5.45 L to a final volume of 1.21 L by an external pressure of 1.00 atm. During the compression the gas releases 120 J of heat.
How are excess sulfuric acid and the excess methanol removed from the crude ester after the reaction has been completed. Why was 5% NaHCO3 used in the extraction. What would happen if 5% NaOH had been used
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
An unknown acid has a molar mass of 90. g/mol and a mass composition of, 40%-C, 6.7%-H, and 53.3% -O. What is the molecular formula of the acid
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