Chemistry Explain why manganese which has an average minimum exploitable grade of 35% has a higher concentration factor compared to gold which has an average minimum exploitable grade of 0.0001%.
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- How many grams of chromic sulfide will be formed from 1.5 kg of chromic oxide according to the reaction?Cr2O3 + CS2 = Cr2S3 + CO2How many cubic feet of air at a pressure of 760 torr and 0 C is required per ton of Fe2O3 to convert that Fe2O3 into iron in a blast furnace? For this exercise, assume air is 19% oxygen by volume.ro/index.html?deploymentld=55750828934189288909969212&elSBN=9781305657571&snapshotid%32199... 出☆ O To NDTAP Q Search t Use the References to access important values if needed for this question. Titanium(III) oxide can be prepared by reaction of titanium(IV) oxide with hydrogen at high temperature: 2TIO2 + H2-Ti,O3 + H2O The reaction of 421.3 g of Ti0, with excess H2 yields 325.2 g of Ti,O3. Calculate the theoretical yield of Ti,O3 (assuming complete reaction) and its percentage yield. Theor yield = Percentage yield =| Submit Answer 5 question attempts remaining
- What does the following equation represent? CaCO3 + 2H* = Ca2* + H2O + CO2 Dissolution of magnesite under alkaline conditions Dissolution of magnesite under acidic conditions O Dissolution of calcite under acidic conditions Dissolution of calcite under alkaline conditionsA 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3 (159.69 g/mol). A second sample of iron ore, labeled B, weighed 1.750 g and gave 0.5097 g of pure Fe2O3. What is the %Fe in Ore B and What is the %Fe3O4 in Ore B?A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3 (159.69 g/mol). A second sample of iron ore, labeled B, weighed 1.750 g and gave 0.5097 g of pure Fe2O3. What is the %Fe3O4 (231.54 g/mol) in Ore A?
- An impure magnetite (Fe3O4) sample weighs 0.5023 g. This is converted to Fe2O3 by chemical reactions. The Fe2O3 obtained weighs 0.3995 g. What is the percentage of Fe3O4 in the magnetite?Ores with as little as 0.25% by mass of copper are used assources of the metal. (a) How many kilograms of such an ore would be needed for another Statue of Liberty, which contains 2.0X10⁵ lb of copper? (b) If the mineral in the ore is chalcopy-rite (FeCuS₂), what is the mass % of chalcopyrite in the ore?(f) Potassium permanganate (g) Sodium hypochlorite (h) Beryllium bicarbonate (1) Ammonium dichromate (G) Iron (II) chloride
- From Part A: Mass of KxFe(C2O4)y · zH2O prepared : 5.600 g Mass of FeCl3 : 1.60 g From Part B: % Potassium in compound : 23.23 % % Iron (from ion exchange & titration vs. NaOH) : 8.25 % From Part C: % Oxlate : 56.78 % the % water of hydration : 11.7% Calculate the following for Fe3+: g in 100 g sample mol in 100 g sample mol/mol Fe (3 sig figs) mol/mol Fe (whole number)of product. If uron composed only of the iron-60 isolope was used lo form the product, how many grams of iron 60 to rract with another element to form 18.477 x 2 OMIOnine teaching and in x + west.cengagonow.cam/in/lakeAssignment/lakeCovaientheiatyrki7oatur-assignment-leke (Reterencesl Assuming a 100% reaction yield, it was caleulated that 6.865 of naturally oceurring elenuerlal iron would be needed to 60 would be required Submit Answer Try Another Version 10 item attempts remaining 23 searrh 78°F Sunny A S G 3:35 PM 1/2021Without consulting any source other than a periodic table, what relative level of toughness would you expect for Ti vs. TiN? Justify your answer based on the probable types of atomic bonding found in these two materials.