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A certain ore is 32.8% nickel by mass. How many kilograms of this ore would you need to dig up to have 10.0g of nickel
A 32.85-{g} sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 54.00 mL. The solid and toluene together weigh 58.88 g. The density of tol..
Element 107 was made by bombarding Bismuth-209 with Chromium-54. One product is a neutron, what is the balanced equation?
Calculate the concentration of the acid solution after all teh metal has reacted. Assume that the volume remains unchanged.
At a certain temperature, reaction has equilibrium constant (Kc) of 1.9 x10^19. Determine the equlibrium constant for the reaction based on this information at the same temperature.
what will the volume of the sample become if 459 ml of an ideal gas at 27 degrees of carbon and 1.05 atm is cooled to
Devise a synthetic strategy to transform 1-Bromobutane to heptane
According to the following reaction, how many grams of ethylene (C2H4) are required for the complete reaction of 23.8 grams of hydrogen gas?
A flask containing 36.8 mL of 0.138 M sodium acetate (NaC2H3O2) is titrated with 24.9 mL of 0.128 M HNO3. Calculate the pH of the solution. pKa for acetic acid = 4.757.
using a compound contains 30.06 percent oxygen and 69.94 percent iron . determine its molecular formula if the molar
Standard solutions of calcium ion are suually prepared by weighing an apporpriate amount of primary standard grade calcium carbonate, dissolving it in concentrated HCl, and diluting to the appropriate volume.
What is the proper coeffcient for water when the following equation is completed and balanced for the reaction in the basic solution. C2O4^2-(aq)+MnO4^-(aq)--->CO3^2-(aq)+MnO2(s)s
calculate the standard reduction potential of Joaquium. Write reaction in cell notation form.
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