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Buffer with pH of 5.5. Kb for aniline is 4.2 x 10-10, calculate the ratio of amine salt to dissolved amine for aniline
determine if a redox reaction would occur if you were to mix them in a single solution. For those pairs of substances that would not react, calculate the EOCELL of the unfavored reaction between the two substances.
The buret continues to drain, slowing gradually until coming to a complete stop, as depicted on the right side. At that moment, the total pressure of the gases inside the flask just equals the total pressure of the atmosphere plus the additional p..
calculate the molarity of a solution of glycerol made by dissolving 50.000 glycerol at 15 in enough water to make
In an experiment to determine the formula of a salt M2( SO4)3 x XH2O a sample of 2.239g of the sample was reacted with BaCl2. After filtration and drying the sample of BaSO4 weight 3.329g
in general methylamine ch3nh2 is a stronger base than ammonia nh3 and dimethylamine ch32nh is a stronger base than
How many grams of oxygen gas (O2) will it take to oxidize 1 pound of iron metal? Make sure to show the redox reaction and all work.
2NO2(g)has come to equilibrium, the concentration of NO2 is 2.2 x 10-3 mol/L. Calculate the molar concentration of O2 at equilibrium.
Which one of the ions (i) Cl- and (ii) Ce3+ will be oxidized by MnO4- in acidic solution? Write balanced equations for these and calculate the standard potential for each reaction?
Due to oxygen consumption by the above reaction, the dissolved oxygen concentration in the water is only 2 mg/L. What is the maximum amount of energy that an organism could obtain by oxidizing 1 µmol of the organic matter
How much heat is required to vaporize 353 g of liquid ethanol at its boiling point? ΔHvap = 38.6 kJ/mol.
Calculate concentration of NaClO solution from that equation and calculate How many grams of this nuclide in a sample of 4.00 g will remain after 112 years?
53.0 ml of 1.50 m solution is diluted to a volume of 268 ml. . determine the final concentration if a 134 ml portion of
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