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calculate w for the following reactions that occur at 298k and 1 atm pressure, CO2(g) + NaOH(s) -> NaHCO3(s) and 3O2(g) -> 2O3(g)
What data would you plot in order to use the Nernst equation to determine the concentration of an unknown solution of ions?
Products at Home Containing Organic Molecules, Find two or more products in the home that contain organic molecules. From these products, make a list of 10 organic compounds present in the products.
A compound has 2 ionizable groups, with pKas of 6.2 and 9.5. A 1.0 M solution of this compound (100 mL total volume) is found to have a pH of 6.8. A biochemist adds 60 mL of 1.0 M HCl to this solution. The solution pH is now:
why was nortripyline measured here? was there post-mortem redistribution? Explain.Were amitriptyline and nortriptyline over the toxic dose? Acute overdose/rapid death or chronic administration/show death? Explain
electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C.
what is simple experiment can be performed to confirm that baking soda changes
A 25.688 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia.
sample melts before you were ready to read the temperature. Should you cool the capillary and start again or prepare a fresh sample? Explain.
For the 3 wood preservatives noted, would acidic vs. alkaline soil or water conditions cause more (or less) leaching or dissolution of these compounds. How do these compounds actually leach out of wood into the environment?
A gas in thermodynamical equilibrium consists of a mixture of 75 % hydrogen and 25 % helium in mass. Calculate the abundances in partical fractions.
C2H4+3O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent
find the of X-281, you prepare a 0.075 test solution of X-281. The pH of the solution is determined to be 3.00. What is the of X-281?
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