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A solution contains 1 x 10-3 M Fe2+ and 2 x 10-10 M Fe3+. As the pH of the solution is raised, which iron hydroxide will precipitate first (i.e., ferrous hydroxide, Fe(OH)2(s) or ferric hydroxide, Fe(OH)3(s)). At what pH will this occur? Ignore complex formation and potential redox reactions.
liquid NCl3 in a 2.50L closed container is heated until it decomposes completely to gaseous products. the resulting mixture exerts a pressure of 745mm Hg at 95 degrees celsius
Explain the structural feature of Acetanilide molecule - Identify one structural feature of the acetanilide molecule
A modern chealting agent used for this purpose is succimer (C4H6O4S2). Suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning.
-an experiment was done using NaCl and KCl for solubilty purposes, would the results be different if Nacl and LiCl were used instead?
the R enantiomer and 19.0% of the S enantiomer, what is the enantiomeric excess of the mixture?
What is molarity of NaOH solution if 26.0ml of 0.380 M H2So4 solution is required to neutralize a 25.0ml sample of the NaOH solution
What is the value of the rate constant (k) for this reaction? Points will be deducted if you do not include the correct sign and units of the rate constant. (b) Determine the half-life for this reaction in units of seconds
For a given reaction, the reaction forms predominantly products at equilibrium (i.e. it essentially goes to completion). Which of the following represents a reasonable value for K
A saline solution used in intravenous drips for patients who cannot take oral fluids contains 0.92% (w/v) NaCl in water. How many grams of NaCl are contained in 729 mL of this solution.
how many meters away is a cliff if an echo is heard one half second away? assume that sound ws traveled at 343 m/s on that day.
How many atoms are contained in one unit cell of of this element? The atomic mass of the element is 193.5 amu.
How do the shapes of molecules determine their physical and chemical properties? Provide at least two examples
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