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consider a reaction in which ferric oxide is converted to iron and gaseous oxygen. If this reaction is only 83% efficient and the ferric oxide is only 87.5% pure, what mass of ferric oxide is required to make 3 moles of iron?
Three gases (8.00 g of methane,CH4 , 18.0 g of ethane,C2H6 , and an unknown amount of propane,C3H8 ) were added to the same 10.0-L container. At 23.0 degrees celusis , the total pressure in the container is 4.40atm . Calculate the partial pressure..
How many grams of Fe2O3(s) are produced from 500.0 g of FeS2(s) and 400.0 g of oxygen gas?
What mass of isopropyl alcohol (C3H8O) in grams can be melted when a sample absorbs 1575 kJ of heat at its melting point? (Isopropyl alcohol: ?Hfus = 5.37 kJ/mol)
What is the procedure for the extractions (to MAXIMIZE THE YIELD) and volumes? (i.e. How much water, NaCl, sodium bicarbonate and in what order)?
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.156 M in sodium chloride and 0.094 M in magnesium sulfate?
In the reaction of lithium, li with nitrogen n2 three lithium atoms react with on nitrogen atom elements lose one electron, atoms of the other element gain three electrons
When Mg-EDTA is added to a sample to compensate for a lack of Mg^+2, why is no blank correction necessary
What mass of Copper (II) Hydroxide precipiate is produced by the double displacement reaction in a solution of 2.67g of potassium hydroxide
A specific brand of gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7 g piece. How many kilograms of dietary fat are in a box containing 4.00 lb of candy?
A flexible container initially holds 2.0 moles of an ideal gas at 293K and 1.0 atm. The container is compressed isothermally
Provide the structure of an aromatic compound with seven carbon atoms. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds)
how many grams of sulfuric acid are produced?
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