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Metallic iron can be made by the electrolysis of molten Fe2O3. How many minutes are needed to plate out 14.00 g of Fe from molten Fe2O3 using 6.42 A current? Use F = 96,500 C/mol for Faraday's constant. The unbalanced chemical reaction representing this electrolysis is shown below: Fe2O3 Fe + O2
Calculating Volume Needed for Level of pH, A 1.00g sample of benzoic acid (C6H5CO2H, FW = 122.12g/mol,Ka = 6.5 x 10^ -5) is dissolved in water to give a solution with a volume of 500mL.
In an excess amount of oxygen, how many grams of CO2 (g) are theoretically produced from the combustion of 901.0 g of glucose [C6H12O6 (s), molar mass of 180.2 g/mol]?
Draw an ideal distillation curve (temperature vs. milliliters of distillate) for a 50:50 mixture of two miscible liquids. How might one achieve such an ideal distillation
What are the frequency and energy of a photon with a wavelength of 900 nm. Report your answers to three significant digits.
In the iodination of vanillin, why did the product precipitate out when the solution was treated with excess aqueous acid
Which best describes a solid?
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM
A perfectly square piece of gold foil measuring 3.3 mm on an edge is isolated from a bottle of liqueur
heat from a mountain climber's stove at an elevation where the boiling point of water is 89 degrees celsius, how many kJ are required to boil the water?
How many electrons in an atom could have these sets of quantum numbers? A) n=3, B) n=5, l=0 and C) n=6, l=1, ml=-1
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ->2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
What is the mass of precipitate (in Grams) that forms when 235.5 mL of 0.129 M Na2SO4 solution is reacted with excess Ba(NO3)2 solution?
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