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what is the energy difference between the heats of formation you calculated for carbocation A and B? Explain how this computer result supports the Markovnikov rule
The polarogram for 20ml of solution that was 3.65*10^-3 in Cd2+ gave a wave for that ion with a diffusion current of 31.3µA . calculate the percentage in change in concentration of the solution
describe how will you prepare a supersaturated solution of potassium nitrate in water.
when 31 mL of 0.200 M HCl has been added to 39 mL of 0.0500 M NH3 solution? HCl is strong acid, Kb = 1.8 × 10-5 for NH3
A subsequent titration revealed that the concentration of the unknown acid was 0.868 M. What was the concentration of the diluted acid om the Erlenmeyer flask?
A piece of metal with a mass of 18.2 grams was dropped into a graduated cylinder containing 16.50mL of water. The graduated cylinder after the addition of the metal is 18.40. Determine the density of the metal.
You mix 50 ml of a weak monoprotic acid with 50 ml of NaOH solution in a coffee cup calorimeter. Both solutions and the calorimeter were initially at 22 C.
How much heat is evolved when 239 g of ammonia gas condenses to a liquid at its boiling point?
Aspirin's mode of action is to make a covalent bond with the active site of the COX II enzyme which inactivates the enzyme. A nucleophilic histidine side chain
what is the molarity of a saturated solution of AgOH with a Ksp = 2.0 x 10^ -8
when ethane (C2H6) is burned, how many grams of oxygen are needed to react with 477 grams of ethane?
Sucrose, C12H22O11, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and ammonium chloride, NH4Cl, is a strong electrolyte.
Calculate the number or calories of heat energy required for warming 34.6g of water from 18.9 celsius to 29.9 celsius
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