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what volumes of 200 m hcooh and 200 m naoh would make 300 ml of a buffer with the ph of one made from 475 ml of 200 m
a loop of wire with radius r has charge density 3theta2 where theta is in radians write an integral but do not solve
how do you obtain the best possible yield for the adol condensation reaction between 2 benzaldehyde and acetone with a
a proton is projected in the positive x direction into a region of uniform electric field earrowbold -540 multiplied
one way to separate a mixture of stem cells and differentiated cells is to label the cell population with a specific
a beetle 480mm is examined with magnifier of focal length 103 cm if the observers eye is relaxed while using the
determine the percent by mass of all elements in the compound sodium carbonate decahydrate better known as washing
a compound with the molecular weight of 39198 was determined to be 31 hydrogen 315 phosphorous and 654 oxygen determine
big yellow fishing swimming at 20ms swallows little green fish at rest big yellow fish is 3 times as massive as little
what is semiconservative replication and how were researchers able to show it is involved in prokaryotic
a compound with the molecular weight of 39198 was determined to be 31 hydrogen 315 phosphorous and 654 oxygen
a 70kg block is pushed 5m up an incline against a friction force of 50n the block is pushed to a height 1m above the
a solid sphere of mass 25 kg and a radius 15m starts from rest at the top of the ramp inclined 15 degrees and rolls to
a narrow beam containing red 660 nm and blue 470 nm wavelengths travels from air through a 260 cm thick flat piece of
write the complete balanced molecular ionic and net ionic equations for the reaction of potassium phosphate aluminum
a bicycle is turned upsdie down and has one wheel spinning at 950 rpm the wheel slows uniformly to a stop in 450
calculate the concentrations of species in solution and the ph when 01 moles of feso4 are placed in 1 l h2o at t25 deg
100 mole of an ideal gas cvm1247 j mol-1 k-1 is initially at 300 k and in 10 l and is expanded to 20 l in two different
a certain atom has atomic number z 20 and atomic mass number a 42a what is the approximate radius of the nucleus of
predict all possible products formed via free radical monochlorination of 3-methylpentane calculate the relative
calculate the ph of a solution resulting from the titration of 50ml of 0078m hcl with 25 ml of 0083m naoh give your
a merry-go-round starts from rest and reaches the angular speed of 4 rpm in the first two minutes what would be the
calculate the ph of a buffer solution made by mixing 342 g of sodium acetate into 1 l of a 009 m solution of acetic
a 400-microf capacitor that is initially uncharged is connected in series with a 790-k ohm resistor and an emf source
a solution of a weak acid was tested with the indicators used in this experiment the colors observed were violet orange