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What is the average current passing through a solution of NiSO4 if 1.25 g of Ni were deposited in 4.07 hours? i = A
1) Why does methylbenzoate dissolve in concentrated sulfuric acid? 2) Give a detailed mechanism for the reaction (Be Specific) 3) Expalin in detail why you obtain meta substitution and not ortho or para substitution.?
Draw the skeletal structure of the major organic product formed when benzaldehyde reacts with Cl2 in the presence of AlCl3. Assign atomic charges where appropriate.
Determine the molar mass of the acid and given that the pH at the half way point to the equivalence is 3.86. Calculate the Ka of the unknown acid.
The quality of a two-phase liquid-vapor mixture of H2O at 40Oc with a specific volume of 10m3/Kg is
What is the amount of ammonia (as nitrogen) needed to sustain 1 gram/L of cells in an engineered bioreactor b. What is the amount of phosphorus needed to sustain the same concentration of cells in the reactor?
effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
Certain metal cations can act as Lewis acids in water to produce an acidic solution even though the metal ion contains no hydrogen ions at all.
Explain the order of elution you would observe while performing gas chromatography during an elimination/dehydration process on 2-butanol.
Calcium chloride is added to a polymer solution of sodium alginate to cross-link the polymers, reating a thicker mixture which is used to add texture of food (like milk shakes). What is the explanation for why this happens?
A cube has a volume of 8.0cm (to the 3rd power) and a mass of 21.6 grams. The density of the cube, in grams per cubic centimeter, is best expressed as
aliquot of the HCl solution required 13.98 mL of 0.08485 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.08 mL. Balance the reaction below and determine the percent WO3 in the ceramic sample.
You have to prepare a pH 5.06 buffer, and you have the following 0.10M solutions available: HCOOH, HCOONa, CH3COOH, CH3COONa, HCN, and NaCN. Which solutions would you use
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