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What is the pH of a buffer prepared by mixing 57.4 mL of 0.050 M sodium bicarbonate and 10.2 mL of 0.10 M NaOH. (Carbonic Acid: pKa1 = 6.35, pKa2 = 10.33)
The first equivalence point was at 7.59mL and the second equivalence point was at 14.91 mL. My calculated pKa1 is 2.01 and pKa2 is 5.71. What is the molarity of the maleic acid
If the freezing point depression of water is -1.86 degrees/m, what would be the freezing point of this solution
At what pH would the side chain of histidine exist predominately in a form that could be involved in an ionic bond?
Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter
Determine Eo for the following reaction, using the given standard reduction potentials. Cr3+(aq) + Co(s) ? Cr(s) + Co2+(aq) Eo for Co2+(aq) = -0.28 V Eo for Cr3+(aq) = -0.74 V
A student titrated 25.00 mL of 0.1014M HCL solution with an NaOH solution of unknown concentration.
Above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.99? The Ksp of Fe(OH)2
Calculate the concentration of NO3- ion remaining in solution.
Give the chemical equation for the reaction that occurs in (B) to reach equilibrium.
For the reaction CO2(g)+H2(g)=CO(g)+H2O(g) at 1000 K, an equilibrium mixture of the gasses consists of 0.276 mol H2, 0.276 mol CO2, 0.224 mol CO and 0.224 mol H2O. What is the value of delta G for the reaction at this temperature
(alpha)-Synuclein is a protein that makes membranes, including vesicles bend. It can bend spherical vesicles into tube-like shapes called tubules. The molecular weight of (alpha)-synuclein is 15,400 g/mol.
one type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 325nm.
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