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A solution is prepared by dissolving a 0.56 g benzoic acid (C6H5CO2H, Ka=6.4*10^-5) in enough water to make 1.0 L of solution. Calculate [C6H5CO2H], [C6H5CO2],[H], [OH] and the pH of this solution.
Write a reaction mechanism for the reaction of (Z) 3-methyl-3-hexane with Cl2 and H2O. Use curved arrows to show electron movements and clearly show the structures of the reaction intermediates and the final product.
at 552.3 k the rate constant for the thermal decomposition of so2cl2 is 1.0210-6. if the activation energy is 210 kjmol
a zero-order reaction has a constant rate of 2.50times10-4 . if after 35.0 seconds the concentration has dropped to
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM?
a 10.0-g sample of ice at -16.0degc is mixed with 105.0 g of water at 76.0degc. calculate the final temperature of the
A sample of an unknown gas effuses in 11.3 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.72 min. What is the molar mass of the unknown gas
A 100.0 g sample of aluminum released 1680 calories when cooled from 100.0C to 20.0C. What is the specific heat of the metal
Draw 2 resonance structures for each of the following molecules. Calculate the formal charge for each atom and indicate whether the structures are equivalent. Benzene, C6H6
Draw a representation of the 3-D structure of the anion, including only the bonding-pair electrons, and any sulfur lone-pair electrons. What is the orientation of the oxygen atoms with respect to each other around the S-S bond?
Label each of the following reactions as exothermic or endothermic ("exo" or "endo"), and according to whether work is done on or by the system, or no work is done at all ("on", "by" or "none")
how many liters of water vapor can be produced if 13.3 liters of methane gas ch4 are combusted if all measurements are
The solubility of calcium sulfate is 0.67 g/L. Show the calculation of the Ksp for calcium sulfate (all steps including chemical equilibria must be correct for full credit)
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