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Problem- The technique of pyrometallurgy reduces pure metal from its ore by using heat and a reductant. For an oxide ore, the typical reductant is a substance called coke, which is mostly pure carbon. The byproduct of the reaction is carbon monoxide.
Write the balanced equation for the overall process when magnetite, Fe3O4 , is heated with coke, C , in a blast furnace. Do not include phases or heat.
Separate your answers with a comma. Show the process and each step.
A strip of tin(Sn) is placed in an AgNO3 solution. Forecast whether or not a spontaneous oxidation-reduction reaction should occur. State a chemical equation to describe the net reaction.
suppose that 500 g of water vapor condense to make a cloud about the size of an average room. if we assume that the
Each 5 ml teaspoon of extra maalox plus contains 450 mg of magnessium hydroxide and 500 mg of aluminum hydroxide. How many moles of hydronium ion are neutralized by one teaspoonful of extra strength maalox plus
How would you prepare a 25.0% water in ethyl alcohol solution using 100.0 ml of ethyl alcohol (the density of alcohol is 0.7893 g/ml)
The student determined that the average concentration of HCl was 0.188 M. What volume of 0.0875 M NaOH would be needed to comletely react with 15.0 mL of this acid
determine what volume of 1.0 moll solution of copper monosulfide can be made from 23.9 grams of copper
Acetic acid is 4.8% dissociated at 298K as well as 0.0078 M concentration in water. Explain what is the mean activity coefficient of the H3O+ under these conditions
In an electrolysis experiment a current of 0.10 A flows through a solution of conductivity k= 0.010?^-1 and cross sectional area 10 cm^2. Find the electric field strength in the solution.
If 0.00936 mol neon gas at a particular temperature and pressure occupies a volume of 210. mL, what volume would 0.00793 mol neon occupy under the same conditions? What mass of neon gas is required to fill a 4.44-L container to a pressure of 1.30 a..
find the mass of barium metal(in grams) that must react with O_2 to produce enough barium oxide to prepare 1.0L of a 0.10M solution of OH^-
what is the enthalpy change corresponding to the melting of 2.5 moles of H2O? what is the system? What is the surrounding? In what direction does the heat flow? Is the process endothermic or exothermic?
Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?
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