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fairgoers ride a ferris wheel with a radius of 500 m the bottom of which is 175 m above the ground the wheel completes
the ph of an aqueous solution is 617 at 25 degree c calculate the ka for the acid the initial acid concentration is
a car starts from rest at a stop sign it accelerates at 40 ms2 for 6 seconds coasts for 3 s and then slows down at a
dissolving 464g of an impure sample of ca carbonate in hcl produced 109l co2 measured at 20 degree at 747mmhg calculate
what is the complementary sequence to the dna strand 5 cgatgagcc 3 enter the sequence in the 3 to 5
draw the hydrogen bonds between thymine and adenine draw the hydrogen bonds between guanine and
suppose the radius of an atom in a body-centered cubic unit cell is 035 nm what is the edge length of the unit cell in
a woman stands on a scale in a moving elevator her mass is 505 kg and the combined mass of the elevator and scale is an
n2 is used industerial to produced nitric acid but contributes to acid rain and photo chemical smog what value of
you have the urge to connect to nature and become a hunter who uses a slingshot you make a slingshot from a 50cm long
at what angle in degrees does first-order diffraction from layers of atoms 3408 pm apart occur using x rays with a
in an experiment 040 mol h2 and 040 mol i2 are mixed in a 10- liter container and the reaction forms hi if kc 49 for
a hammer strikes one end of a thick steel rail of a length 850 m a microphone located at the opposite end of the tail
what product is formed from nitration of methyl benzoate we put 20 ml methyl benzoate 45 ml concentrated 18 m sulfuric
for the reaction below which equation represents the rate of reaction 6ch2o 4nh3 ch26n4
an 63 kg weight watcher wishes to climb a mountain to work o the equivalent of a large piece of chocolate cake rated at
a galvanic voltaic cell consists of an electrode composed of aluminum in a 10 m aluminum ion solution and another
in this simulation you can choose between seven possible circuits by clicking on one of the small circuit diagrams
a 191 l flask at 17degree contains a mixture of nitrogen he and ne at partial prassure 0f 0261 atm for n2 0195 atm for
sample of ammonia gas is completely decoposed to nitrogen and hydrogen gases over heated iron wool if the total
in a particular redox reaction clo2- is oxidized to clo4- and fe3 is reduced to fe2 complete and balance the equation
a cube of mass m 755 kg is placed on an inclined plane of mass m 1267 kg which makes an angle a 5240deg with the
ar is a solid below -189 oc with a face-centered cubic array of atoms and a supposed density of 229 gcm3 assuming that
a volleyball is spiked so that it has an initial velocity of 14 ms directed downward at an angle of 45 degrees below
a current of 507 a is passed through a snno32 solution for 120 hours how much tin is plated out of the