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explain what are the concentrations of acetic acid as well as acetate ion in 020m acetate buffer ph 490 the pka of
a 300 ml sample of a diprotic acid is titrated with 0250m koh if 700ml of the base is needed to reach the equivalence
which side left or right does the equilibrium lay for the subsequent reaction as well as explain the reason- ch3cooh
a drug is metabolized in the body by a first order rate process if the half life for this drug in the body is two days
while the argon is released from the canister it expands to fill the wine bottle explain how many 7500-ml wine bottles
for the subsequent compound illustrate in its acidic form state the form that will predominate in solution at ph 55
a 01 g piece of wood dating back from ancient times emits 05 counts per second because of beta decay of carbon 14 the
report of greener colligative propertiesmolecular weight from freezing pointits about 2400 wordsa greener approach for
upon being struck by 240 nanometers photons a material ejects electrons with a maximum kinetic energy of 144 ev obtain
a phototube has a stopping potential of 262 volt when the cathode is illuminated with dichromatic light of 400
the work function of a particular substance is 453 times 10-19 joule find the photoelectric cutoff wavelength for this
a particle in a 842 meter long particle accelerator is moving at 0875 c obtain how long does the particle accelerator
a converging lens with a focal length of 114 centimeter forms a virtual image 805 millimeter tall 168 centimeter to the
two radio antennas are 140 meter apart on a north-south line the two antennas radiate in phase at a frequency of 36 mhz
a lens of focal length 105 millimeter is used as a magnifier the object being viewed is 78 millimeter long and is
a 35 millimeter camera equipped with a 105 millimeter focal length lens is used to photograph a tree 19 meter tall the
a fish appears to be 2 meter below the surface of a pond when viewed almost directly above by a fisherman find what is
a double convex thin glass lens has equal radii of curvature the focal length of the lens is 811 centimeter and the
a double convex thin glass lens has equal radii of curvature the focal length of the lens is 354 centimeter and the
the radius of curvature of the curved side of a plano-convex lens made of glass n 164 is 25 centimeter evaluate what
a thin double convex lens is to focus the image of an object onto a screen thus that the image is life-sized the lens
a toroidal solenoid has a mean radius of 16 centimeter and a cross-sectional area of 440 cm2 and is wound uniformly
a tennis ball m60 gram traveling at 25 meter per second hits a wall and rebounds with a speed of 22 msa evaluate the
a wooden ring whose mean diameter is 145 centimeter is wound with a closely spaced toroidal winding of 595 turnspart a
you make a capacitor by cutting the 13 centimeter diameter bottoms out of two aluminum pie plates separating them by