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Given that mercury has a delta Hvap of 59.11 kJ/mol and its normal boiling point is 356.7 degrees C, calculate the vapor pressure in mm Hg at room temperature, 25 degrees Celcius.
Complete and balance the equation for this reaction in acidic solution. ZnS + NO3^- -> Zn^2+ + S + NO Which element was Oxidized. Which element was reduced ? Which species was the oxidizing agent ? Which species was the reducing agent
When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for this reaction
What is the rate of formation of carbon dioxide over the specified time period in this reaction
Given a restriction enzyme that has a concentration of 50 units/ml but your experiment requires that the concentration be reduced to 2.5 units/ml.
a hypothetical ax type ceramic material is known to have a density of 2.10gcm3 and a unit cell of cubic symmetry with a
assume you completely hydrolyze a sample of the peptide phe-val-lys-ser using the appropriate protease in a phosphate
In the recrystallization procedure, an Erlenmeyer flask is commonly used during the step in which the crude is dissolved in the solvent of choice. Furthermore, if the recrystallization is slow typically the flask is closed with a cork.
0431 moles of sucrose (a sugar with a MW of 342 g/mol) are dissolved in 400.0 g of water. The solution density is 1.013 g/mL and you can assume that the density of pure water is 1.00 g/mL. What is the molality of this solution
As is often said, quantum mechanice yields classical mechanics when h approaches 0. What result is obtained classically for p(v,T) when h approaches 0? Why is this relation unsatisfactory
Calculate the mean percent of hydrogen peroxide when three determinations were 3.03% , 2.89% and 3.22%
If the equilibrium concentration of Fe3+, SCN-, and FeSCN2+ are 0.00140 M, 0.00140 M, and 0.000414 M, respectively, calculate the equilibrium constant for Fe3+ + SCN- FeSCN2+.
What mass of silver bromide will form when 25.00 mL of a 0.0675 M MgBr2 solution is combined with 30.00 mL of 0.100M AgNO3
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