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write the equation for the dissociation of benzoic acid in water if the ka of benzoic acid is 65x10-5 what is the
the diameters of the main rotor and tail rotor of a single-engine helicopter are 144 m and 21 m respectively the
a study of the water-gas shift reaction given below was made in which equilibrium was reached with co h2o h2 010 m
explain how to determine the total resistance of a parallel and a series circuit how does total resistance affect the
suppose you wish to fabricate a uniform wire from 130 g of copper the wire is to have a resistance of r 0420 and all
starting with 2 different samples of propyne show how you can make 2-methyl-pent-3-yn-2-ol condensed formula
a baseball mass 014 kg radius 37 cm is spinning with an angular velocity of 56 rads what is its rotational kinetic
the fist-order reaction so2cl2---so2cl2 is 10 complete in 80 min how long would it take for the reaction to be 95
strontium sulfate is also an insoluble sulfate knowing barium sulfate is insoluble why is it not surprising that
what is the speed of an electron with a de broglie wavelength of 0140nm what is the speed of a proton with a de broglie
show with the aid of a form of the nernst equation that when using a ph sensitive glass electrode and reference
a large grinding wheel in the shape of a solid cylinder of radius 0330 m is free to rotate on a frictionless vertical
how many stereoisomers are possible for each of the following structures draw them and name each by the r-s and e-z
the acid-dissociation constants of sulfurous acid h2so3 are ka1 17 x 10-2 and ka2 64 x 10-8 at 25 degrees celcius
an object of a mass 25kg accelerates from 2ms to 10ms in 10s what was the acceleration what didtance was covered during
if the of a 100- rainfall over 1500 miles2 is 360 how many kilograms of sulfuric acid are present assuming that it is
a roller coaster car of mass 250 kg has a speed of v0 12 m s-1 at point a located at a height of h 15 m the car can
1 the magnesium weighing 355g in a sample of water is first converted to mgnh4po4 and then to mg2p2o7 the mass of
the voltage impressed across a circuit is held constant if the resistance is halved what change will occur in the
calcuate the number of moles of o2 needed to react with 132 grams of fe givven the balanced equation 2fe2o3
the position of a particle moving along an x axis is given by x 20t2 - 30t3 where x is in meters and t is in
1 how many moles of hno3 are contained in 10 ml of concentrated nitric acid please try to show me your calculations so
an object is launched upward with initial velocity 100ms what maximum height can it
illustrate the overlap draw a picture if possible of a carbon sp3 orbital with the 1s1 atomic orbital of a hydrogen
an 760-cm-diameter 310 sphere is released from rest at the top of a 170-m-long 200 incline it rolls without slipping to