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The balanced equation for a reaction in the process of the reduction of iron ore to the metal is shown below.
Fe2O3(s) + 3 CO(g) 2 Fe(s) + 3 CO2(g)
(a) What is the maximum mass of iron, in grams, that can be obtained from 341 g of iron(III) oxide?
(b) What mass of CO is required to react with 458 g of Fe2O3?
The coinage metals-copper, silver, and gold-crystallize in a cubic closest packed structure. Use the density of copper (8.95g/cm3) and its molar mass
when hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
Calculate the pH of the solution that contains following compounds. Some relevant Ka values are Ka(CH3COOH)=1.7 X 10 ^-5, Ka(HNO2)=7.2X 10^-4, and Ka(NH4+) = 5.6 x 10^-10.
Calculate the pH of CO2-saturated water at 25 degrees C, given that the CO2 concentration in air is 366 and that for carbon dioxide the Henry's Law constant KH=3.4E-2 mol L-1 atm-1 at 25 degrees C.
what is the solubility of N2 in a diver's blood?[Use the value of the Henry's law constant k calculated in Part A, 6.26 * 10^-4]" Assume that the composition of the air in the tank is the same as on and and that all of the dissolved nitrogen remai..
The heater used to heat 1400 L of air in a hot air balloon is turned off. c) A balloon filled with helium at an amusement park is left in a car on a hot day.
what is the structure of a compound of molecular formula c10h14o2 that shows a strong IR absorbtion at 3150-2850cm^-1 and gives the following HNMR absorptions
Metallic copper is formed when aluminum reacts with copper(II) sulfate. How many grams of metallic copper can be obtained when 54.0 g of Al react with 319 g of CuSO4?
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
assume you dissolve .297 g of the weak acid benzoic acid in enough water to make 105 mL of solution and then titrate the solution with .141 M NaOH. What are the concentrations of Na+ at the equivalence point?
What mass (in grams)of KNO3 would have to be decomposed to produce 27.1 L of oxygen measured at STP?
How many grams of copper may be formed by the passage of 22,988 C through an electrolytic cell that contains an aqueous cuprous
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