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using the following monomer draw the mechanism for the formation of the polymer stopping after attaching three units
what accounts for the structural differences between diamond and graphite since both have the same atomic
calculate the weight of iron ii sulfate heptahydrate which is crystallized from the 80 g solution of iron ii sulfate
when a 250 kg object is hung vertically on a certain light spring described by hookes law the spring stretches 276 cm
neutron stars are extremely dense objects that are formed from the remnants of supernova explosions many rotate very
ch3ohg ---gtcog2h hrxn907 kjmol rxn suppose 100 mole of ch3oh reacts completely at 120 atm and 101 celsius what is the
a 200g 40cm diameter solid cylindrical turntable rotates on frictionless bearings at 60rpm a 20g block sits at the
at a given temperature 0300 mole no 0200 mol cl2 and 0500 mol clno were placed in a 250 liter container the following
a particle has a charge of q 52 microc and is located at the origin as the drawing shows an electric field of ex 229
a small amount of mgcl2 solution is added to a 25 ml aliquot of the solution in problem 1 and the mixture is titrated
an elastic ball a with mass m is released from a horizontal position connected via a massless string to a rod when the
what is the equilibrium constant expression of the reaction system coosh2
a 1500-g sample of metal at 80 degree celsius is added to 1500g of h2o at 200 degree celsius the temperature rises to
a fire hose ejects a stream of water at an angle of 365 degrees above the horizontal the water leaves the nozzle with a
explain how can you distinguish between the pairs of the following isomers using spectroscopic methods ir or nmri cis-
a sample with a concentration of 0240 m has an absorbance of 034 in a 10 cm path length cuvet what would be the
a 30 kg crate is pulled across a level floor with 80 n of force the coefficient of kinetic friction between the crate
a block mass m1 lying on a frictionless inclined plane is connected to a mass m2 by a massless cord passing over a
name the shape you would predict for the molecules which have the following general formula ax1 ax2 ax3 ax4 ax5
define geometric isomerism give one example and the structural formula for each of its
a student of weight 660 n rides a steadily rotating ferris wheel the student sits upright at the highest point the
a charged capacitor is connected to a resistor and a switch as in the figure below the circuit has a time constant of
a proton with a speed of 30x105 ms falls though a potential difference v and thereby increases its speed to 90x105 ms
a ceiling fan consists of a small cylindrical disk with 5 thin rods coming from the center the disk has mass md 34 kg
a drop of the naoh titrant adheres to the side of the buret between the initial and final readings for the titration as