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The energy required for the ionization of a certain atom is 3.44 x 10-18 J. The absorption of a photon of unknown wavelength ionizes the atom and ejects an electron with velocity 1.03 x 108 m/s. Calculate the wavelength of the incident of radiation
Calculate the amount of 0.018 M KMnO4 solution required to completely oxidize 39.69 ml of .100 M FeSO4 in an acidic solution according to the following equation
a solution is prepared by adding 40.3 g of Mg(NO3)2 to 127 g of water. Calculate the mole fraction and molality of magnesium nitrate in this solution
Calculate the pH at the equivalence point for the titration of 0.170 M methylamine (CH3NH2) with 0.170 M HCl. The Kb of methylamine is 5.0× 10-4.
What is the pH at the equivalence point when when 25.0mL of 0.100M hypochlorous acid (HClO) is titrated with 0.200M KOH. Ka HClO = 2.9*10^-8 It asks that all appropriate equations be included.
What is the structure for hexadecanol?, What would explain why it is a solid, rather than a liquid?, How are ethanol, 1-octanol, propane-1,2,3-triol, and hexadecanol similar to their corresponding hydrocarbons (ethane, octane, propane, & hexadecan..
high spin whereas octahedral complexes can be either high or low spin, depending on the metal and/or ligand. What is the most likely explanation of this experimental result?
If the Km of carbonic anhydrase for the above reaction is 1.8 mM, what is the catalytic efficiency of this enzyme under these conditions? The units are s-1M-1.
A saturated solution of iron(II) hydroxide at 25°C contains 1.0 x 10-5 M Fe2+ ions. Determine the ?G° for the solution at this temperature.
The hydration of carbon dioxide (add water to CO2) produces carbonic acid and is part of the equilibrium that controls carbon dioxide levels in the blood during respiration of vertebrate organisms. How can this reaction be explained using the Lewi..
Carbon monoxide binds strongly to the Fe2+ion of the heme group of protein myoglobin. Suppose you have at your disposal a supply of myoglobin, a suitable buffer in which to suspend the protein,12C16O,13C16O,12C18O,13C18O,
Consider that sodium hydroxide is added to acetic acid (CH3COOH). What is the direction of equilibrium and by how much. Pka of Sodium Hydroxide
Hydrogen sulfide () is a common and troublesome pollutant in industrial wastewaters. One way to remove is to treat the water with chlorine
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