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Titanium take place in the magnetic mineral ilmenite (FeTiO3) which is habitually found mixed up with sand. The ilmenite can be separated from the sand with magnets. If the titanium can then be extracted from the ilmenite by the following set of reactions
FeTiO3(s)+3Lc2(g)+3C(s)--->3CO(g)+FeCl2(s)+TiCl4(g)+2Mg(s)--->2MgCl2(l)+Ti(s)
Presume that an ilmenite-sand mixture contains 23.8% ilmenite by mass as well as that the first reaction is carried out with a 92.0% yield.
At 25.0°C, a sample of Xe gas occupies 508 mL in a piston-cylider apparatus when the external pressure is 809 torr. At what pressure (torr) will its volume become 701 mL if the temperature does not change
When 1.50 mol of of CH4 reacts with excess Cl2 at a constant pressure according o the chemical equation, CH4 + 3CL2 2 CHCl3 + 3H2, and 1062 kL of heat are released. Calculate the value of ?H? for this reaction. ?H=?
The melting point range is measure for two materials (A and B). For material A, the melting point range is from 58.5 C to 64.0 C whereas for material B, the melting point range is from 87.0 C to 89.0 C. Which material, A or B, is more pure
What is the specific heat of liquid water, written with correct units? Refer to Table 5.2 or Appendix B in your textbook, or your lecture notes.
at half equivalence 12.65 ml of 0.0395 naoh is titrated with a10.00ml of a weak acid of unknown concentration. the
a gas is placed in a storage tank a pressure of 30.0 atm 20.3oc as a safety device there is a small metal plug in the
A cell measured by a student was found to be -0.461V against a Ag/AgCl reference electrode (0.222V). What is the potential when measured against SCE and NHE
in determining the ksp of calcium hydroxide labthe lab report questions were1. predict how each of the following
a sample of an ethanol-water solution has a volume of 54.2 cm3 and a mass of 49.6g. what is the percentage of ethanol in the solution?
What is the mole fraction of helium, XHe, in a gaseous mixture of He and Ar for which the average molar mass is found to be 8.75g/mol
Propose a mechanism for the acid-catalyzed syntheis of 4,5-dimethyl-dioxxolane from formaldehyde and 2,3-butanediol
find the molecular weight of as4o10 ?a.316 gmolb.460 gmolc.90.1 gmold.235
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