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Consider an aqueous solution of 1M FeCl2. Two inert electrodes are immersed in the solution. If a voltage is applied to the electrodes, what oxidation 1/2 reaction will most likely take place at the surface of one electrode and what reduction 1/2 reaction will most likely take place at the surface of the other electrode? Hint: list possible 1/2 reactions at each electrode, assign voltages then decide. Repeat the above analysis except replace the inert electrodes with copper metal electrodes
Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion
For a chemical system at equilibrium, the forward and reverse rates of reaction are equal. 3. For an aqueous chemical system at equilibrium, the concentrations of products divided by the concentrations of reactants equals one.
A lake has a pH of 8 and the total molar concentration of nitrogen species (NH3 and NH4+) is 7.1×10-4 mol/L. what is the percentage of aqueous NH3 in the lake
Using either acetone or ethanol (your choice) as your only organic source of carbon, make acetacetic ester
What are the products of a double displacement reaction involving sodium hydroxide and hydrochloric acid
On size-exclusion chromatogram you have three peaks (2.9, 3.5, and 4.8 min). Column dead volume is 12 mL, and flow rate 4 ml/min. Are your separation conditions fit for size-exclusion requirements? Explain why.
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)→ 2K2O(s) + 2N2(g) + 5O2(g)
How many grams of acetylene are produced by adding water to 5.0 grams CaC2
a research supervisor told a chemist to make 100 g of chlorobenzene from the reaction of benzene with chlorine and to
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
Calculate H in kJ/mol KClO3 for the solution process. KClO3(s) K+(aq) + ClO3-(aq) The specific heat of water is 4.18 J/g-K.
what is the pressure exerted onto the closed end of an apparatus if the atmospheric pressure is 720 torr and the height of the water is 22.3 cm.
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