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Uric acid dissociates as exposed in the figure at the right with a pKa of 5.80 as well as can be treated as a simple monoprotic acid in this pH range. Its solubility in urine depends on the relative amount of protonated as well as unprotonated forms. A urine sample was found to have a pH of 5.35.
Explain what would be the ratio of the unprotonated form, A- to the protonated form, HA for uric acid in this urine sample?
The mercury in a .8142g sample was precipitated with excess of H5IO6. The precipitate was filtered and washed free of the precipitating agent, and .4114g was recovered. Calculate the % of Hg2Cl2 in the sample
The heat combustion of naphthalene is -40.1kJ/g. When 0.8210g of naphthalene was burned in a calorimeter containing 1,000g of water, a temperature rise of 4.21 degree celcius was observed
Explain what is the temperature in K of an ideal gas where P = 617torr, n = 0.0118 mol and V = 1588.1 mL. If oxygen gas is collected over water. The total pressures the O2 pressure + the water vapor pressure is 751 torr. The temperature of the wate..
a vessel of 1.000 l is filled with 1.000 mole of h2 2.000 moles of n2 and 2.000 moles of ammonia. nbspconcentration of
Arrange the following ions in order of increasing split between the t2g and eg sets of d orbitals- that is, in order of increasing delta o.
3- Complete combustion of 3 moles of cycloheptatriene (C7H8) would require how many moles of oxygen, and produce how many moles of water
What mass of sulfamic acid (H2NSO3H) will you need to use in order for the titration to require 10.00 mL of the NaOH solution. Show all work and calculations.
A cylinder with a piston contains 897 ml of dry oxygen at a pressure of 582 mm Hg and a temperature of 327 K. If the temperature is reduced to 286 K and the pressure increased to 628 mm Hg what is the new volume ?
Look at the table of polyatomic ions and determine what happens to the charge on the polyatomic ion, phosphate when an H+ is added to the formula. What is the new name
A 100 mL stock solution contains 4.1 M Na3PO4. When 31 mL of the stock solution is diluted to 73 mL, how many moles of Na+ ions will be contained in the dilute solution
Explain why f-f transitions in the electronic spectra of lanthanide complexes are weaker than d-d transistions in the corresponding spectra
What happens to the kp in th reaction 2NOBr(g) 2NO+Br2...when temperature is increased
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