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A. How many tons of coke are needed per week to produce 8.51×104 of pig iron from a modern blast furnace using hematite? Assume that coke is pure carbon, pig iron is pure iron, and all reactions have 100 yield.
B. How many tons of slag are produced by a modern blast furnace using 2.55×104 of limestone, ? Assume that slag is pure calcium silicate () and that all reactions go to completion.
What is the theoretical yield (in mg) of sodium bisulfite adduct of cyclohexanone, assuming that you convert all the starting material to it
a soft drink contains 35 mg. of sodium in 315g. of h2o. what is the concentration of sodium in the soft drink in mass
A compressed air tank carried by scuba divers has a volume of 8.0L and a pressure of 140 atm at 200C. what is the volume of air in the tank in liters at STP
Please tell for each individual solution which ions are expected to hydrolyze (if any) and what the spectator ions are
an aqueous solution formed by dissolving 1.62 grams of anhydrous aluminium chloride in 50.0 grams of h2o has a freezing
process it is given that Rubidium has a heat of vaporization =69.0 kJ/mol at its boiling pt= (686°C). Compute ΔS for this process?
What concentration of CH3NH3Br is necessary to prepare a pH = 10.00 buffer solution assuming the base concentration is 0.69 M (Kb for CH3NH2 = 4.4 x 10-4). For this problem, include the correct units of M.
why is it important that none of the solid CaCl2 be included in the final distillation of 1-bromobutane?
Ammonia reacts with oxygen according tot he following equation: 4NH3+5O2=4NO+6H2O deltaHrxn = -906kJ Calculate the heat (in kJ) associated with the complete reaction of 155g of NH3.
What volume (mL) of a concentrated solution of NaOH (6.00 M) must be diluted to 200. mL to make a 0.88 M NaOH solution
According to the equation for the balmer line spectrum of hydrogen, a value of n=3 gives a red spectral line at 656.3 nm, a value of n=4 gives a green light at 486.1 nm, and a value of n=5 gives a blue line at 434.0 nm. according to these waveleng..
What maximum mass of sulfur in kg could be produced by the reaction of 1.3 x 10 4(the 4th) m3 of SO2(g) with 2.5 x 10 4(the 4th) m3 of H2S(g), both at STP
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