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Calculate ?G at 25 ºC for a reaction in which Ca2+(aq) combines with CO32-(aq) to form a precipitate of CaCO3(s) if the concentrations of Ca2+(aq) and CO32-(aq) are 0.023 M and 0.13 M, respectively. (?Gº = -47.94 kJ)
Give the products (if any) expected from the treatment of 2-methyl-2-pentene with ozone followed by aqueous hydrogen peroxide. Do not draw any byproducts.
In photosynthesis, plants from glucose (C6H12O6) and oxygen from carbon dioxide and water
A 40-foot "fiberglass" boat hull weighs 2000 kg. Sixty percent of that is a fully cured crosslinked polyester resin (the remainder is the glass reinforcing fibers
What is the role of HClO. ClO-(aq) + H2O(l) HClO(aq) + OH-(aq) FAST. I-(aq) + HClO(aq) => HIO(aq) + Cl-(aq) SLOW
determine the maximum number of coordination sites that the ligand can occupy on a single metal ion.
why helpful.source site should show IGC,ILC, Trouble shooting and column packing
Calculate the heat absorbed by 15.0 g of water to raise its temperature from 20.0oC to 50.0oC at constant pressure. The specific heat of water is 4.18 J/g.oC
Calculate the molality of a hydrochloric acid solution that is 26.4% by mass and has a density of 1.19 g mL^-1
he initial rate of reaction of H2O2 -- H2O + 1/2O2 is found to be 1.7*10^-3 M S^-1. Assume that this rate holds for 2 minutes. Start with 165ml of 1.60M H2O2 at t=0. How many milliliters of O2 measured at 24C and 757mmHg
A 50.0-mL sample of 2.0 x 10-4 M CuNO3 is added to 50.0 mL of 4.0 M NaCN. Cu+ reacts with CN- to form the complex ion [Cu(CN)3]^2: [Cu(CN)3]^2- Cu+ (+) 3CN- K = 1.0 x 10^-9
What volume of 0.1M NaOH is required to fully neutralize 20 mL of 0.1M acetic acid? of 50 mL of 0.04M Phosphoric acid
Calculate the volume of 1M solution of HCL needed for 1 unit shift of the pH of the following solutions: A. 100 mL of 0.01 M solution weak acid (pKa = 6) and 0.05 M of its sodium salt
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