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200 ml of 0150 m acid ha are mixed with 100 ml of 00800 m naoh calculate the titration constant kt of the resulting
a gymnast on a high bar swings through three revolutions in a time of 290 s the magnitude of the average angular
1 a 10 m length of straight wire carries a current of 22 a in a uniform magnetic field of 50mt whose direction is at an
how much carbon dioxide in kilograms is produced upon the complete combustion of 291 l of propane approximate contents
youre standing on an asteroid when you see your best friend rocketing by in her new spaceship as she goes by you notice
if you are given a beers law plot and a value for the absorbance of an unknown solution how will you determine the
a 35 m long horizontal rod has two forces applied to it one on the far left corner with a force of 4n at 60 degrees
can glucosamine be drawn as a linear molecule or does it only exist as a ring
a large block p attached to a light spring executes horizontal simple harmonic motion as it slides across a
a wall consists of 2 layers of material brick in front of an equal thickness of wood if the respective thermal
nitrous oxide gas is used by some denatl practitioners as a anesthetic nitrous oxide can be produced in small
two cars are each traveling at 270 ms and they are approaching each other the security alarm in one of the cars
astronomers have discovered a planetary system orbiting the star upsilon andromedae which is at a distance 42 1017 m
calculate the concentrations of the protonated and unprotonated forms of bromothymol blue in 100 ml of a ph 81 buffer
the main water line enters a house on the first floor the line has a gauge pressure of 230 105 paa faucet on the second
explain why a hydroxyl group in the para position p-hydroxybenzoic acid pka448 decreases the acidity while a hydroxyl
coherent light with wavelength 400 nm passes through two very narrow slits that are separated by 0200 mm and the
consider the combustion of methane as represented by the following equation this is the reaction that occurs for a
a diffraction pattern forms when light passes through a single slit the wavelength of the light is 670 nm determine the
a 069 book slides on a horizontal table the kinetic friction force on the book has magnitude 12 finda how much work is
when cobalt chloride is added to pure water the co 2 ions hydrate the hydrated form then reacts with the cl- ions to
spaceman spiff sits just outside the milky way galaxy with a cup of liquid helium which is at approximately 4k -269
drying agents called desiccants can be based on the cobalt complexes shown coh2o62aq 4cl-aqlt--gt cocl42-aq
three sheets of plastic have unknown indices of refraction sheet 1 is placed on top of sheet 2 and a laser beam is
the left end of a long glass rod 800 cm in diameter and with an index of refraction of 160 is ground and polished to a