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Determine the of a solution that is 1.85% by mass. Assume that the solution has density of 1.01
(a) Calculate the percent ionization of 0.00190 M acetic acid (Ka = 1.8e-05). % ionization = % (b) Calculate the percent ionization of 0.00190 M acetic acid in a solution containing 0.0710 M sodium acetate. % ionization = %
Calculate the equilibrium concentrations if the initial concentrations are 2.31M N2 and 0.54M O2. (This N2/O2 concentration ratio is the ratio found in air.)
Trimethylamine (CH3)3N is a substance responsible in part for the smell of fish. it has a boiling point of 3.5 degrees c and a molecular weight of 59.1.
A gas measures 180. ml. at 870C and 800. mm Hg. Find its volume at standard temperature and 800 mm Hg of pressure.
calculate the final temperature when a 11.3 gram sample of ice at 0oc is placed into a styrofoam cup containing 119
A tanker carrying 800 kg of BOD waste accidently overturns and spills into a pond with a volume of 100,000,000 L. Assume the pond is completely mixed and has an initial DO of 6.4 mg/L and a temperature of 20°C
1. Draw the mechanism for the methanolysis of 1-bromo-1-methylcylohexane 2. Draw a free energy diagram for the above reaction
A bicycle tire is filled with air to a pressure of 95.0 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What..
A 25.0 mL sample of .200 M HF is titrated with .200 M NaOH. What is the pH at the equivalence point?
What is the concentration of the vinegar in weight percent? (Assume a density of 1.030 g/mL.) If the pH of the vinegar was 3.44, what value is obtained for the Ka of acetic acid?
Discuss the phase changes that occur in the liquid solid and liquid vapor boundary. Describe how the locations of phase boundaries are obtained. Discuss any assumptions used in the Clasius Clapeyron equation.
At equilibrium, the concentration of A is 0.381 M and that of B is 0.154 M. What is the value of the equilibrium constant, Keq?
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