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Gout is caused by an error in nucleic acid metabolism that leads to a buildup of uric acid in body fluids, which is deposited as slightly soluble sodium urate (C5H3N4O3Na) in the soft tissues of joints. If the extracellular [Na+] is 0.10 M and the solubility in water of sodium urate is 0.072 g/100 mL, what is the minimum urate ion concentration (abbreviated [Ur - ]) that will cause a deposit of sodium urate?
The addition of thioacetamide to an acidic solution of this compound results in the precipitation of a solid that forms a deep blue solution when added to aqueous NH3. Identify the chemical formula for this compound.
What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear? 91.0 kj/mol
What is the pH at the equivalence point in the titration of 0.250M HX (Ka=6.2x10^-8) with 0.250M KOH
how many whole drops (.05 mL/drop) of 6 M HCl are required to dissolve the calcium carbonate? b) What is the Ca concentration when this is dissolved and diluted to 100.00mL
Excitation of the 3s electron from Mg+ to a 3p orbital occurs at 280.0 nm. The probability of filling a 3p orbital relative to the 3s orbital is 3/1. Assuming that the total Mg+ population in a given atomization source is 3.5 x 10^18 ions at any g..
A zero-order reaction has a constant rate of 2.90×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 9.00×10-2 M, what was the initial concentration.
At 63.5C the vapor pressure ofH2O is 175 torr, and that of ethanol,C2H5OH, is 400 torr. A solution is madeby mixing equal masses of H2O andC2H5OH. What is the molality of ethanol in the solution
The measured potential was 0.0330 V. What is the concentration of X when the potential is 0.0480 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
Draw Newman projections for the 6 rotational isomers of 3-methylpentane visualizing and draw the two chair conformations for trans-2,3-dimethyl cyclohexane
rhodium has a density of 12.45 gcm3. this metal crystallizes in a face-centered cubic unit cell. calculate the diameter
In which region of the carbon-13 NMR spectrum would you expect to find a resonance for the carbonyl group of an aliphatic ketone. The given chemical shift ranges are approximate. A. 50-80 ppm B. 180-210 ppm C. 100-150 ppm D. 65-85 ppm E. 9-10 ppm ..
Consider the combustion reaction between 27.0 mL of liquid methanol (density = 0.850g/mL) and 13.5 liters of oxygen gas measured at STP. The products of the reaction are CO2(g) and H2O(g).
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