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Consider the reaction in which ferric oxide is converted to iron and gaseous oxygen. If this reaction is only 90.0% efficient and the ferric oxide is only 82.0% pure, in order to make 4.00 moles Fe, what is the required mass of ferric oxide?
the explosive tnt is composed of 37.0 carbon 2.2 hydrogen 18.5 nitrogen and the rest oxygen. if the molar mass of tnt
A beaker contains 100 grams of 0.50 M NaCl. If you transfer 50 grams of the solution to anouther beaker, what is the molarity of the solution remaining in the first beaker?
Vapors are likely to be non-ideal near condensation temperatures. Would you expect such behavior to make your molecular mass to high or too low?
How many grams of H2O can be cooled from 45 degrees C to 15 degrees C by the evaporation of 63 grams of water.
write the balanced chemical equation and corresponding equilibrium expression for the each step in the ionization of phosphoric acid ( apolyprotic acid ) in water?
A constant current of 119.0 A is passed through an electrolytic cell having an impure copper anode, a pure copper cathode, and an aqueous CuSO4 electrolyte.
How high must a waterfall be for the water to change temperature by 0.1K during its fall (assuming no evaporation)
Each was extracted with three 5-mL aliquots of CCl4 containing an excess of 8-hydroxyquinoline. The extracts were diluted to 25 mL and their fluorescence was measured. What is the concentration of the zinc in the unknown solution Volume of Zn sta..
There are several slip systems that can be active in olivine (orthorhombic). Dislocation glide is easiest at high temperature in the (010)[001] slip system
For the formation of your photchromic imine you use ammonium bromide. Give 2 reasons why you cannot use concentrated HBr.
If a solution contains 28 g of potassium nitrate per 100 g of water at 25 degrees Celsius, is the solution unsaturated, saturated, or supersaturated
Suppose that this individual now decides to give one-eighth of a percent (0.125 ) of her new net worth to charity. How many dollars are given to charity? The answer is not 10.0025 or 12.5. I have been working at this problem and just need to figur..
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