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Explain many commercial products contain more than one food coloring dye. A certain orange-colored sports drink as both red and yellow dye. The red dye is present at 1.0x10-5 m. Compute the amount of yellow dye is in the total absorbance of the sports drink is 0.534 and known molar absorbitivity are 6.72x10^3 (red) and 3.88x10^4 (yellow). use a cell path length of 1cm.
a solution of lactic acid, HC3H5O3, on a laboratory shelf was undetermined concentration. If the pH of the solution was found to be 2.51, what was the concentration of the lactic acid?
Calculate Q when the solutions are mixed (time zero). Indicate how the reagent concentrations will changes as the reaction proceeds.
the oxidation of nitric oxide to nitrogen dioxide is2nog o2g reg 2no2gif 100.0 ml of no at stp reacts with 400.0 ml of
Calculate the molar concentration of propionic acid (HC3H5O2) in solution if 10.00 mL of a propionic acid solution is neutralized with 16.85 mL of 0.143 M NaOH solution.
a 25.00mL sample of NaClO is titrated with 0.001005M HNO3. If 10.02mL of of HNO3 is required to reach the endpoint of titration, determine the concentration of ClO- in the original sample.
Calculate the concentrations of all species present, the pH, and the pecent dissociation of HCN
Estimate the heat of formation of water dHf(H2O)(g) from its elements, provided the following bond energies. Write the equation.
how many grams of ethylene glycol c2h4oh2 are needed per kilogram of water to protect radiator fluid against freezing
Is the world adiabatic or isothermal and why. Is the world at constant pressure or constant volume and why.
How many electrons are transferred in the following oxidation-reduction reaction?
A mixture of gases contains 0.24 mole CH4 0.44 mole C2H6 and 0.53 mole C3H8. The total pressure is 1.50 atm. Compute the partial pressures of the gases.
Calculate the electrode potential of hydrogen electrode at standard temperature if the electrode is immersed into acidic solution with pH = 2.85 and the partial pressure of hydrogen gas p(H2) = 0.73 atm.
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