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What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 50% when [ligand] = 10-7 M?
explain how the designed sensing strategy functions. Point form answers are acceptable, feel free to use a diagram in your explanation.
How many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point? Given ΔHvap = 40.6 kJ/mol
A solution of hydrochloric acid has a concentration of 12.8 mol/L. However, a chemistry professor needs HCl(aq) with a concentration of 0.100 mol/L for an experiment with his students.
How long will it take 10.0 mL of oxygen gas to effuse through a porous barrier if it has been observed that 81.7 minutes are required for 10.0 mL of Cl2 gas to effuse through the same barrier?
What is the solubility in moles/liter for copper(II) iodate at 25 oC given a Ksp value of 1.4 x 10-7. Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!).
A coffee-cup calorimeter contains 140.0 g of water at 25.2 *C. A 122.0 g block of copper metal is heated to 100.4 *C by putting it in a beaker of boiling water.
How long will it take for 100% pearlite to form at 650 °C and at 600 °C? Estimate the hardness values resulting from these transformations.
determine the minimum concentration of the percipitation the cation from the solution of the left. 0.035 M BaNO3; Naf.
the same retention but different selectivity as what precentage of mixtures for acetonitrile/water and tetrahydrofuran/water?
Sample of solid naphthalene is introduced into an evacuated flask. Use the data below to calculate the equilibrium vapor pressure of naphthalene (C10H8) in the flask at 25°C.
what is the density of a piece of wood that measures 3.0cm by 6.0cm by 4.0cm has a mass of 80.0g. what is the density of the wood ? would the piece of wood float on water.
What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4? ) are present
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