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Iron metal is formed during the reduction of iron(III) oxide:
Fe2O3 + 3CO 2Fe + 3CO2
When 28.4 kg of Fe2O3 react with 17.0 kg of CO and 4.2 kg of Fe are recovered, what is the percent yield for the reaction?
A compound of iodine and cesium contains 63.94g of metal and 61.06g of nonmetal. How many grams of cesium are in 38.77g of the compound? How many grams of iodine?
Two moles of an ideal gas originally at 380 torr and 298K are compressed at constant temperature to 680 torr. Find the initial and final volumes.
Finally realizing her mistake, she acidified the filtrate and a white solid precipitated, but its melting point was different from that of dimedone. What was this solid, and how did it form
Structure of a compound that, in the presence of a strong base, can readily undergo an intramolecular reaction forming a ring in the product.
when 7.50g of magnesium reacts with 9.50g hydrochloric acid hydrogen gas is formed. what is the limiting
Suppose HI at 5.00 10^-1 M, H2 at 1.00 x 10^-2 M, and I2 at 5.00 x 10^-3 M are mixed in a 5.0 L container. Calculate all concentrations at equilibruim.
Calculate the binding energy in kilojoules per mole of nucleons of P for the formation of 30P and 31P. The required masses (in g/mol) are 1^1H = 1.00783, 0^1n = 1.00867, 15^30P = 29.97832, and 15^31P = 30.97376.
Calculate the mass of silver nitrate (in grams) in a 145 mL solution of 5.38 M AgNO3.
Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80 solution.
A 4.50G sample of LiCl at 25.0 degree celcius dissolves in 25.0 mL of water also at 25.0 degree celcius. The final equilibrium temperature of the resulting solution is 60.8 degree celcius. What is the enthalpy of solution of LiCl expressed in kilo..
For each of the following experimental or calculations errors, tell of the calculated value of R, writte if would be too high, too low or unchanged.
Calculate the number of electrons transferred in the following reaction when it is correctly balanced. C5H8O(g) + O2(g)---> CO2(g) + H2O(l)
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