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Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand. The ilmenite can be separated from the sand with magnets. The titanium can then be extracted from the ilmenite by the following set of reactions: FeTiO3(s) + 3 Cl2(g) + 3 C(s) ? 3 CO(g) + FeCl2(s) + TiCl4(g) TiCl4(g) + 2 Mg(s) ? 2 MgCl2(l) + Ti(s) Suppose that an ilmenite-sand mixture contains 24.4% ilmenite by mass and that the first reaction is carried out with a 90.6% yield. The second reaction is carried out with an 87.0% yield. What mass of titanium can be obtained from 1.30kg of the ilmenite-sand mixture?
Calculate the molarity of a solution of glycerol made by dissolving 63.000 glycerol at 15 in enough water to make 300.00 of solution.
Nickel and aluminum electrodes are used to build a galvanic cell. The standard reduction potential for the nickel(II) ion is -0.26V and that of the aluminum(III) ion is -1.66V.
Calculate the activation energy of a reaction if the rate constant is 0.75 s 1at25 Celsius and 11.5 s 1at 75 celsius. (the universal gas constant is 8.314J/mol K)
acetic acid has a Ka value of 1.8x10^-5. How many grams of NaC2H3O2 would have to be added to 100 ml of .1 M HC2H3O2 to prepare a buffer with a pH of 4.5?
How many liters of water vapor can be formed by the reaction of 275.0 liters of oxygen gas and 250.0 grams of pentane? Which reactant is limiting? How many grams of the excess reactant are left over?
Discuss the merits and disadvantages of dispensing a drug as a reacemic mixture or as a single enantiomer.
Milk spoils about 5x as fast at 300 K as it does at 250 K. What is the apparent activation barrier for the "milk spoiling" reaction
Which of the following substances would be expected to be the most soluble in CCl4? Answer with explanation as to why. a)NH3
Assume that a waste contains 395.0 mg/L of biodegradable CH2O and is processed through a 190000.0 L/day sewage treatment plant which converts 40% of the waste to CO2 and H2O.
Calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for each.
When 24 mL of a 190 mL stock solution containing 1.8 M BaF2 is diluted to 78 mL, what is the concentration of Ba2+ in the new solution?
It takes 55.0 J to raise the temperature of an 8.80 g piece of unknown metal from 13.0C to 25.0C. What is the specific heat for the metal? Express your answer numerically, in J/g. C
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