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The reaction of a ketone with R"NH2, and then with H2/Ni would yield?
NaOH solution is used to determine the amount of Mg(OH)2 in a sample of milk of magnesia, (molairty of NaOH is 1.172M). A 10.0 gram sample of milk of magnesia is required with 8.00 mL of 6.00 M HCl.
According to the above expression how many moles of KHC8H4O4 are needed to neutralize 25.00 mL of 0.10 M NaOH
calculate for the combustion of octane by using enthalpies of
A gas sample is connected to a closed end manometer. the difference in mercury levels in the two arms is 115mm. what is the gas pressure in torr if the atmospheric pressure is 750 torr
For a Tellurium-132 sample, 6566 counts were observed between 5.0 and 8.0 hours after the preparation of the source, how many atoms were present when the source was prepared
What is the molarity of a solution made from 23.1g of NaNO2 dissolved in enough water to make 500ml solution
A 10.0 mL aliquot of this weak acid solution was titrated with a 0.0498 M NaOH solution. The equivalence point was reached by adding 11.62 ml of NaOH from the buret. What is the molar mass of this unknown acid
A solution of 0.85 g of an organic compound in 100.0 g of benzene has a freezing point of 5.16C. What is the Molality of the solution, and molar mass if possible, but not neccessary.
The isothermal compressibility of graphite is 1.56 × 10-7 bar-1. At what pressure is density equal to density of diamond?
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80 solution.
The acid-dissociation constant for an acid-base indicator HIn is 0.0000438. At 600 nm, the molar absorptivities are 2230 for HIn and 8900 for In-. Calculate the absorbance at 600 nm of a 1.00 x 10-4 M solution of the indicator at pH 4.81 in a 1.00..
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