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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.
If a sample of optically pure (+)-2-iodobutane (specific rotation = +32.1) was dissolved in an 18% sodium iodide solution, what would happen to the optical rotation over time
Calculate the amount of energy released when 8.02g of Hydrogen reacts with excess Oxygen.
All of the following are balanced equations. State the number of atoms of each element in the reactant and in the products. a) 2N2(g)+3O2(g)--->2N2O3(g); b)Al2O3(s)+6HCl(aq)--->2AlCl3(aq)+3H2O(l); c) C5H12(l)+8O2(g)--->5CO2(g)+6H2O(g).
consider the following three equilibria occurring simultaneously in solutioncaaq c2o4aq cac2o4sh2c2o4aq haq
A particular element, M has a heat capacity of 0.36 j x g-1 x k-1. It forms an oxide that contains 2.90 g of M per gram of oxygen. What is the molar masss of M
A 29.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Sodium hydroxide is slowly added to a 225 mL of a solution that is 3.0*10^-2 M Ba2+ and 1.5*10-3 M Cr3+. Which will precipitate first
what is the ground state electron configuration of atomic al? what electronic states are possible with this electron
A quantity of 7.031 g of an organic compound is dissolved in water to make 282.0 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27°C.
How many kilojoules of heat must be provided to convert one gram of liquid water at 67 degrees Celsius into one gram of steam at 100 degrees Celsius?
Sketch the temperature dependence for i) a simple paramagnet, (ii) ferromagnetically coupled material, (iii) antiferromagnetically coupled material
how much heat is required to raise the temperature of 50.0 g of C6H6 at 6.00ºC to 93.0ºC
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