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the procedure instructs you to utilize a stir bar to mix the solution naoh hcl while adding the naoh are there any
if 121 moles of an ideal gas has a pressure of 371atm as well as a volume of 8169 l explain what is the temperature of
compute the ph at the equivalence point in titrating 0100 m solutions of each of the following with 0080 m naoh a hbr
the water gained energy from the metal explain the interaction and heat exchange between the metal as well as the water
the temperature alters for the water was slight while the temperature change for the metal was large why was this the
an aqueous solution contains 0050m of methalymine kb 4410-4 explain what is the concentration of the hydroxide
an unknown salt is either naf nacl or naocl while 0050 mol of the salt is dissolved in water to form 0500 l of solution
beta sheets are a kind of secondary structure in proteins a segment of a single chain in an antiparallel sheet has a
acetylene gas c2h5 at 25 degrees c is burned during a steady-flow combustion process with 30 percent excess air at 27
a compute the initial concentrations of scn- and fe3 ions while a solution was prepared by mixing 3ml of 000280 m kscn
a sample of ideal gas at room temperature occupies a volume of 160l at a pressure of 772torr if the pressure changes to
if you were given a clear colorless solution as well as asked to determine whether or not protein was present would a
when butanoic acid is treated with sodium borohydride 1-butanol is not obtained but bubbling is still observed as well
view a sample lab report on the effect of tobacco smoke on the mollusc gill cilia for biol 1030 when is the current
if researchers establish that myrothecium verrucaria is an effective biological control agent against kudzu they must
in the spring following the swine flu pandemic of 2009 there was a threefold increase in new narcolepsy cases in
an aqueous cacl2 solution has a vapor pressure of 816 mmhg at 50 degc the vapor pressure of pure water at this
a uniform solid disk of mass 305 kilogram and radius 0200 meter rotates about a fixed axis perpendicular to its facea
a gaussian surface has thirty field lines leaving it when it surrounds a point charge of 100 microc and seventy field
a uniform solid sphere of radius 0496 meter and mass 157 kilogram turns counterclockwise about a vertical axis through
a converging lens with a focal length of 13 centimeter forms a virtual image 760 millimeter tall 166 centimeter to the
a particle is placed at the vector position r i 2j meter and the force acting on it is f 1i 5j na determine what is
light of wavelength 630 nanometer falls on a slit that is 360 x 10-3 millimeter wide determine how far the first bright
two identical point charges q 830 x 10-6 c are fixed at opposite corners of a square whose sides have a length of 0650
if the resistance of the loop is 2190 ohm find the magnitude and the direction of the current through the