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a) A sample of molten CdCl2 and a sample of aqueous CdCl2 are electrolyzed with inert electrodes. Determine the products of the electrolysis of each sample.
b) If the sample of aqueous CdCl2 is electrolyzed using a cadmium metal anode and an iron metal cathode what are the expected results at each electrode?
For the next three problems, consider 1.0 L of a solution which is 0.6 M NH4Cl and 0.2 M NH3 (Ka for NH4Cl = 5.6 x 10-10). Assume 2 significant figures in all of the given concentrations so that you should calculate all of the following pH values ..
Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.
The combustion of 135 mg of a hydrocarbon produces 440mg of CO2 and 135 mg of H2O. The molar mass of the hydrocarbon is 270 g/mol.
If the outermost electron in a potassium atom were excited to a 4d-orbital and then fell to the same orbitals, describe qualitatively how the emission spectrum would differ from that of hydrogen (do not do any calculations). Explain your answer.
the uncatalyzed decomposition of hydrogen peroxoide is first order with an activation energy of 75.3 kj/mol and a half life of 6 hrs at 40 degrees celcius.
How many grams of F2 are needed to produce 237 g of PF3 if the reaction has a 80.4% yield?
the mass spectrum determined the molecular weight of mehtyl salicylate to be 125.15 g/mol. What is the molecular formula of methyl salicylate?
If you have an organic layer that contains an organic acid, an organic base, and a nautral organic compound, what is in the organic layer after complete treatment with NaOH(aq), followed by complete treatment with HCl(aq)
referring to the heating/cooling curve of a pure substance. Identify the line segment on the following diagram where the specific heat of the liquid is used to calculate energy flow
calculate the equilibrium concentrations of h2o co2 and h2 in a reaction mixture obtained by heating 6.00 of steam and
What mass of lead sulfate is formed in a lead-acid storage battery when 1.41g of Pb undergoes oxidation
Calculate and plot the points where 0.00, 5.00, 10.00, 20.00, 25.00, 30.00, 35.00, 40.00, 45.00, and 50.00 mL of 0.075M KOH has been added
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