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Express the rate of reaction in terms of the change in concentration of each of the reactants as well as products D(g)--->3/2E(g)+5/2F(g) as well as when [E] is increasing at 0.25mol/L*s how fast is [F] increasing?
why a bromine radical is more selective than a chlorine radical during abstraction of a hydrogen on a hydrocarbon?
a physiological saline solution contains 169meql each of na and cl-. determine how many moles of each na and cl- are in
A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution
The sugar (sucrose, C12H22O11) is purchased from a sugar farmer who used to be a chemist and who packages it by the lbmol, and the process uses 1.75 lbmol/hr.
Write the total and net ionic equations for the reaction of BaSO4 dissociation, and calculate the trial Ksp for the product formed, when 40 mL of 0.1 M Ba(CH3COO)2 reacts with 60 mL 0.6 M MgSO4 and decide whether a ppt will form
The following reactions occur at 500 K. Arrange them in order of increasing tendency to proceed to completion (least ? greatest tendency). 1. 2NOCl 2NO + Cl2 Kp
How much of a 10mM protein solution would you need to prepare 3 mL of a 3mM protein solution. What size micropipette would you use to measure the volume of protein calculated in part a
A 28.5 g sample of an unknown metal is heated to 95.0C and then dropped into 58.0 g of water in a coffee-cup calorimeter. The temperature of the water rises from 23.5 C to 27.1C.
An aqueous solution at 18C contains H2SO4 and H20 and the mixture has a specific gravity of 1.382. Assuming that the H2SO4 and H20 mix ideally what would the density of pure water be
The difference in aqueous nucleophilicity between Cl- and Br- is observed in the product distribution for the Sn2 reaction of 1-butanol (n-butyl alcohol) but not for the Sn1 reaction of 2-methyl-2-propanol
What magnitude of current is required to produce 1.0 kg of sodium metal in one hour by electrolysis?
If 7.1 g of butanoic acid, C4H8O2, is dissolved in enough water to make 1.0 L of solution, what is the resulting pH? A table with Ka values can be found here.
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