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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?
If the volume of 0.200 M NaOH needed to neutralize 0.410 g of an unknown acid is 35.0 mL, what is the molar mass of the monoprotic acid
At 600 degrees C, the equilibrium constant for the reaction 2HgO(s) --> 2Hg (l) +O2 (g) is 2.8. Calculate the equilibrium constant for the reaction 1/2O2(g) + Hg(l) --> HgO (s)
The electrode of a pH meter is placed in a sample of urine and a reading of 7.9 is obtained. Is the sample acidic basic, or neutral? What is the concentration of H3O+ in the urine sample?
50.00g of a metal phosphate with the formula X3PO4 were dissolved in water. Excess calcium nitrate solution was added and 15.69g of precipitate were collected. Explain what is the molar mass of X3PO4. Compute the atomic molar mass of X and a possi..
The molecular orbital diagram CO in the course notes also applies to the following species
Complete and balance the equations for the following acid-base reactions name the reactants and the products HCIO4(aq)H2+NH3(aq)
Will the oligopeptide Gly-Met-Tyr or the DNA sequence AGTTCACT contain more information. Or could it be the same or is it not actually possible to compare
For the 3 wood preservatives noted, would acidic vs. alkaline soil or water conditions cause more (or less) leaching or dissolution of these compounds. How do these compounds actually leach out of wood into the environment?
The temperature of the calorimeter increases by 82.9oC (Celsius). Given that the energy of combustion (?E) for lauric is -37.1 kJ/g, calculate the heat capacity of the bomb calorimeter. Make sure you enter kJ/C for your unit behind the number.
The endpoint in the titration is "overshot" A. is the reported molar concentration of the hydrochloric acid solution too high or too low. B. As a result of this poor titration technique, is the reported number of moles of B4O5(OH)4^2 would be too ..
The molar mass of cellulose is approximately 6.0 x 105 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 103 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5
A. Liquids have very strong attractive forces holding them together B. Liquids have moderately strong attractive forces holding them together C. Liquids have very weak attractive forces holding them together.
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