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In an aqueous solution that contains 285 mg of trichloroacetic acid (HA), Cl3CCOOH (163.4 g/mol) in 10.0 ml. Calculate:
1) Analytical molar concentrations of HA species
2) Equilibrium molar concentrations of HA species. Trichloroacetic acid (HA) is 73% ionized in water
water to give a solution that has a vapor pressure of 37.2 torr at 35 °C? Assume complete dissociation of the solute and ideal solution behavior
List the chemical names and number of atoms for each chemical for each of the following equations.
The pressure of a gas is 817 torr at 55°C. The quantity of the gas is fixed and the volume remains constant as the pressure is adjusted to 102 torr. What is the resulting temperature of the gas?
Calculate the final temperature of the solution assuming no heat is lost to the surroundings, the final mixture has a mass of 100.0 g and the solution has a specific heat capacity of 4.18 J °C-1 g-1
Write the expression for the reaction rate in terms of d[NOCl]. c. The concentration of NOCl drops from 0.580 M to 0.238 M in 8.00 min. Calculate the average rate of reaction over this time interval.
Starting with only the solid, it is found that at 40 degrees Celsius the total gas pressure is .563 atm. Calculate the partial pressure of NH3 and CO2.
Determine the pH of a buffer prepared by mixing 0.675 moles of HC2H3O2 and 0.575 moles of NaC2H3O2 in enough water to give 1.00 liter of solution.
The iron (55.847 g/mol) in a 700.0 mL sample of a natural water was determined by precipitation of the cation as hydrated Fe2O3. The precipitate was filtered
Determine the fraction of N2 molecules traveling between 500 and 600 m/sec at room temperature
The standard enthalpies of formation of SO3(g), S(g) and O(g) are -359.7, +278.8 and +249.0 kJ mol-1, respectively. Use these data to calculate the average bond energy (in kJ mol-1) of the S=O double bond.
In a flame test experiment, sodium gives the brightest and most persistent color in the flame. Do you think that potassium could be detected visually in the presence of sodium
an aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?
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