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a human eyeball is about 21 long and the pupil has a maximum diameter of about 75 what is the speed of this lens
00850 m in pyridine c5h5n and 00560 m in pyridinium chloride c5h5nhcl the kb for pyradine is
why is methyl m-nitrobenzoate formed in the nitration of methyl benzoate instead of o- and p- what product would you
an astronaut constructs a pendulum with a length of 1 meter on a new planet if the period is 4 second what is the
the first ionization energy of na is 4959 kjmol what is the longest wavelength of light that could remove an electron
a flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg designed to rotate
what is the coefficient for zn when the equation below is balanced with the smallest whole number coefficientszn haq
a bungee jumper undergoes simple harmonic motion with amplitude 64 m and frequency 0145 hz assume the bungee jumper
a sprinter running the 100 m dash has a constant acceleration of 28 ms2 for the first 41 seconds of the race when he
you come out of the grocery store with a full shopping cart you stop behind your car to get out your keys unlock your
sometimes the structure of phosphoric acid is written with single bonds to both the oh groups and to the oxygen atom
acrylic acid is a monoprotic weak acid with the formula hc3h3o2 and a ka value of 447x10-5 at 25oc1 calculate the a ph
the new river gorge bridge in west virginia is a 522 m long steel arch how much will its length change between
a car moving with an initial speed v collides with a second stationary car that is one-half as massive after the
a 39336 g mixture sample of bacl22h2o 24426gmol and kcl 7455gmol was dissolved in water and diluted to 50000 ml a 2500
a 637-kg canoeist stands in the middle of her canoe the canoe is 39 m long and the end that is closest to land is 25 m
a 65 kg woman and an 80 kg man stand 100 m apart on frictionless icea how far from the woman is their cm mb if each
consider reactions of the same stoichiometry that are characterized by the following kcconstant values which reaction
after a completely inelastic collision between two objects of equal mass each having initial speed v the two move off
this reaction calls for the use of 220 grams of acetanilde and 65ml of chlorosulfonic acid and is later poured into
a parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 200 and whose
why is concentrated sulfuric acid employed in the nitration of methyl benzoate reaction what is the electrophile that
explain why concentrated h2so4 not concentrated hcl is used in the nitration of methyl
by holding a magnifying glass 29cm from your desk lamp you can focus an image of the lamps bulb on a wall 18m from the
why is it important to maintain the reaction temperature low and the addition of nitric acid-sulfuric acid mixture