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three solutions are mixed together to form a single solution one contains 02 mol pbch3coo2 the second contains 01 mol
a 252 g sample of a compound containing only carbon hydrogen nitrogen oxygen and sulfur was burned in excess o to yield
distinguish between organic molecules like styrofoam and plastic and the organic molecules that characterize living
a mixture of neon argon and xenon had a total pressure of 1560 mm hg at 298 k the mixture was found to contain 150 mol
the fluorescence polarization anisotropy of dye labeled bpti decays exponentially with a lifetime of 62ns modeling bpti
write reaction equations to explain how acetic acid-acetate buffer reacts with an acid and reacts with a basesay for
what volume of oxygen gas at 320 k and 680 torr will react completely with 250 l of no gas at the same temperature and
what is the final ph after 1 drop 005 ml of 6m hcl is added to 10 l of freshly prepared pure water that was originally
pretend you have been charged witht the task of analyzing a pure colorless unknown liquid would this liquid be capable
calculate tph of 01 m solution of acetic acid calculate the volume of 1m solution of naoh required to neutralize 20ml
an unknown salt is either nacn nac2h3o2 naf nacl or naocl when 0100 mol of the salt is dissolved in 100 l of solution
potassium carbonate should not be used as a drying agent for some organic compounds would it be better for use in
calculate the ph of the following solution a solution prepared by mixing 1000 ml of 0500 m acetic acid with 0353 g of
consider a particle of mass m moving in a one dimensional system between xa and xb its potential energy is
055 g of hydrogen chloride rm hcl is dissolved in water to make 30 l of solution what is the rm ph of the resulting
differentiate between the terms strength and concentration as they apply to acids and bases when is hcl strong weak
a diode laser emits at a wavelength of 987 nm all of its output energy is absorbed in a detector that measures a total
use data from table 72 in the textbook to calculate the volume of butanec4h10 measured at 163 celsius and 749 mmhg that
one way to analyze sulfur is by comustion of the sample which produces so2 and so3 that can be bubbled through h2o2 to
a solution containing pbno32 is titrated against ki solution so that pbi2 will precipitate out ksp pbi2 79 x 10-9 ki
you order two primary standards of ultra pure k2so4 174260 gmol and na2so4 142043 gmol for an experiment when they are
a new drug with the secret formula drugso4 3220 gmol is developed with a ksp of 32 x 10-8 the drug is naturally in the
iron in the 2 oxidation state reacts with potassium dichromate to produce fe3 and cr3 according to the equation6 fe2
a sample of an unknown gas effuses in 122 min an equal volume of h2 in the same apparatus at the same temperature and
how many grams of phosphorus react with 312 l of o2 at stp to form tetraphosphorus