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The kinetics of double-stranded formation for a dodecamer containing two G.T base pairs was measured by temperature-jump kinetics. The reaction is: 2 CGTGAATTCGCG <--> DUPLEX The following data were obtained: T oC k1 (105 M-1 s-1) k-1 (s-1) 31.8 0.8 1.00 36.8 2.3 3.20 41.8 3.5 15.4 46.7 6.0 87.0 A.Determine Delta_H* and Delta_S* for the forward and reverse processes. Assume that the values of Ea, Delta_H* and Delta_S* are independent of temperature. You assume that Delta_H* = Ea. Delta_H* (forward) =
Calculate the solubility of zinc hydroxide, Zn(OH)2, in 1.00 M NaOH. Ksp = 3.0 × 10-16 for Zn(OH)2, Kf = 3.0 × 1015 for Zn(OH)42-
When a person experiencing heartburn takes a dose of an antacid drug, like Tums or Rolaids, a neutralization reaction occurs in the stomach. How is it chemically possible for the stomach acid to remain acidic even after the neutralization reaction..
Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures,estimate the boiling point of octane in Leadville, Colorado, where the atmospheric pressure is 496 mmHg.
What factor is extremely important when analyzing the mercury content of samples when near the detection limit
Find the molarity of a Ca(OH)2 solution,given that 388 mL of it is neutralized in a titration by 117 mL of 0.0058 M HNO3.
The Kf for Cu(en)2^2+ is 1 x 10^20. What is the concentration of Cu^2+ (aq) in the solution?
A buffer is made using 45.0 mL of 0.750 M HC3H5O2 and 55.0 mL of 0.700 M NaC3H5O2.What volume of 0.10 M NaOH must be added to change the pH of the original buffer solution by 2.5%? Ka for this acid is 1.3 x 10
calculate the change in pH that occurs when 1.00 mmol of a strong acid is added to 100 mL of 0.0500 M CH3COOH
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
Bromine is extracted from brine wells. The process involves treating water containing bromine ion with chlorine gas and extracting the Br2 from the solution using an organic solvent. Write a net ionic balanced equation for the reaction of chlorine..
Draw all the structural isomers for the molecular formula C4H9Br. Be careful not to draw any structures by crossing one line over another
how heavy in pounds is a gold bar at Fort Knox (dimensions of 7.0 in x 3 5/8 in x 1 3/4 inches? If the current price for gold is $1400 per troy ounce, how much is 1 bar of gold worth in ? (make sure you look up troy ounce!)
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