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At a fixed temperature, equal moles of SO2 (g) and O2 (g) are mixed in a constant pressure container (the volume of the container changes in order to keep the pressure at a constant value). The SO2 (g) and O2 (g) are allowed to react, producing SO3 (g):
2 SO2 (g) + O2 (g) → 2 SO3 (g)
If the initial volume of the container, before any reaction takes place, is 5.00 L, determine the volume of the container after the SO2 (g) and O2 (g) have reacted to completion.
Tell how infrared spectrometry can be used to differentiate the following compounds. In each case, indicated the signifcant IR bands that will be observed and their approximate wave numbers.
A lab student analyzed a nickel-en complex for ethylenediamine, en, content. A 0.353g sample of the synthesized Ni-en complex was dissolved in about 50 mL of water and titrated with 0.165 M HCl (aq). Endpoint required 36.40 mL of the HCl (aq)
With reference to relevant clinical analytes, discuss the use of immunoassay within clinical biochemistry.
An amphoteric compound exhibits a. acidic properties b. acidic and basic properties c. metallic properties d
A solution is prepared by dissolving 75.0 g HCl(g) in enough water to make 350.0 L of solution. The ph of this solution is?
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
A quantity of n2 occupies a volume of 1.0L at 310K and 1.4 atm. The gas expands to a volume of 3.3L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions.
To find the pKa of X-281, you prepare a 0.075 M test solution of X-281. The pH of the solution is determined to be 3.00. What is the of X-281.
A cube of a silver-colored metal with a volume of 64 cm3 has a mass of 672 g. The density of pure silver is 10.5 g/cm3. Is the metal pure silver?
A buffer that contains 0.347 M of a base, B and 0.483 M of its conjugate acid BH+, has a pH of 8.08. What is the pH after 0.00713 mol of HCl are added to 0.442 L of the solution
should be used to make 2.00 L of 0.0500 M solution? What kind of flask is used to prepare this solution?
Assume o.2mm^3 of oil is allowed to spread on water over a surface area of 400 cm^2. What will be the average thickness of the film in Angstroms
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