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two solutes were used to study diffusion in liquids methylbenzene which is a small molecule that can be approximated as
buckminsterfullerene is an allotrope of carbon in which the carbon atoms form spheres of 60 carbons each in a pure
the diameters of the main rotor and tail rotor of a single-engine helicopter are 144 m and 214 m respectively the
a shot-putter throws the shot mass 73 with an initial speed of 140 at a 320 angle to the horizontalcalculate the
nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen
write balanced ionic equation for the following reaction aqueous hydrofluoric acid is neutralized by aqueous calcium
a woman at an airport is towing her 205 kg suitcase at constant speed by pulling on a strap at an angle of above the
a 300 kg block starts from rest at the top of a 30deg incline and slides a distance of 180 m down the incline in 130 sa
an elevator mass 5000 is to be designed so that the maximum acceleration is 620times102what is the maximum force the
what volume of 01125m copperii chloride solution is required to react completely with 550g of aluminumdescribe in
in the bohr model of the hydrogen atom the speed of the electron is approximately 180x106 msa find the force acting on
whenever two apollo astronauts were on the surface of the moon a third astronaut orbited the moon assume the orbit to
what is the concentration of hcl in the final solution when 65 ml of a 12 m hcl solution is diluted with pure water to
a using linear combinations of atomic orbital-molecular orbital theory draw the molecular orbital splitting diagram for
in a thundercloud there may be electric charges of 370 c near the top of the cloud and -370 c near the bottom of the
a 2500ml sample of kno3 solution was diluted to 1000 x 103 ml the concentration of the final solution is 000383 m
a car is traveling at 480 kmh on a flat highwaya if the coefficient of friction between road and tires on a rainy day
1 propose a synthetic route for the conversion of 1-methylcyclohexene into 3-methylcyclohexene note that the easiest
a hockey puck is hit on a frozen lake and starts moving with a speed of 121 ms five seconds later its speed is 550 msa
determine the energy of 160 mol of photons for each of the following kinds of light infrared radiation 1510
a 2000 kg car is slowed down uniformly from 240 ms to 500 ms in 540 sa what average total force acted on the car during
what should be the final volume of a solution containing 505g of solid kmno4 be in order to prepare a 0745 m
a sled is being pulled along a horizontal surface by a horizontal force of magnitude 600 n starting from rest the sled
a 400 ml sample of 0150 m baoh2 is titrated with 0400 m hno3 calculate the ph after the addition of the following
a metal ball with a mass of 229middot10-6 kg and a charge of 457 mc has a kinetic energy of 451middot108 j it is