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You are titrating 15.0 mL of an aqueous acetic acid with standard 0.300 Molarity NaOH. The equivalence point is reached at 9.00 pH, after 30,0 mL of the standard base had been added. Calculate Ka for acetic acid.
Nitric oxide reacts with chlorine to form nitrosyl chloride, NOCl. Use the following data to determine the rate equation for the reaction.
At 25 degrees Celsius the rate constant for the decomposition of a pesticide solution is 6.40e-3 min-1. If the starting concentration of pesticide is 0.0314M, what concentration will remain after 62.0min at 25 degrees Celsius
Gold (Au) crystallizes in a cubic close-packed structure (the face-centered cubic unit cell) and has a density of 19.3 g/cm3. Calculate the atomic radius of gold in picometers.
a current of 5.0 amps was maintained for 5.0 minutes through a solution containing excess cu. how much cu is plated out
silver has two naturally occurring isotopes. find the percent abundances of 107ag and 109ag given the atomic mass of
Determine the mass of lithium hydroxide produced when 0.38 g of lithium nitride reacts with water to make Ammonia (NH3) and Lithium hydroxide.
How much energy is released during the complete combustion of 329 grams of cyclobutane ?
A chlorine atom can occupy one of the nine possible sites. When a bromine is added to the system it can occupy one of hte eight sites not already occupied by the chlorine
what would be the effects when changing the eluting solvents
Find delta heat formation of butane. C4H10 + 13/2 O2 ---> 4 CO2 + 5 H2O. Delta H comb= -2881.9 Delta Heat formation of CO2 = -393.5kJ/mol Delta Heat formation of H2O = -241.8kJ/mol What is the kJ
an organic compound absorbs strongly in the ir at 1687cm-1. an oxidation is converted to benzoic acid. its massspectrum
calculate the final temperature of a mixture of 110.0 g of ice initially at -10.5 degrees celcius and 396.0 g of water
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