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why was it necessary to add twice as much sulfuric acid if the reaction was between br- and n-butyl alchoholwhy was it
the left end of a long glass rod 800 rm cm in diameter with an index of refraction 160 isground to a concave
write the reaction mechanism for the synthesis of 1-bromobutane from 1-butanol by reaction with sulfuric acid and
a solid cube of mass 40kg and edge length 30mrests on a horizontal floor a person then pushes on the upper edge of the
write the structures of all the alkenes formed from the e2 elimination of hx dehydrohalogenation of the compounds using
a wheel is made of two solid metal disks glued together thecombined moment of inertia of the wheel is 452 kg-m2
most alpha particles fired at a gold foil pass through undeflected because thegold atoms unlike most other metal atoms
a wind turbine consists of three metal rods each of mass 98kg and length 68 m connected at their ends to a central axle
a man stands on a platform that is rotating without friction withan angular speed of 194 revs his arms are outstretched
benzoic acid 135gis reacte with oxygen in a constant volume calorimeter to form to form h2ol and co2g at 298 k the mass
the pickup coil in an electric guitar contains 10000 turns and hasa diameter of 16 mm when the pickupcoil is very close
a what is the minimum cross-sectional area required of a verticalsteel cable from which is suspended a 327kg chandelier
draw the condensed structural formula of benzyl acetate and circle the acetic acid part and the phenol
a bicycle wheel of radius 28 cm is mounted at the middle of anaxle 50 cm long the tire and rim weigh 30 n the wheelis
write one example for each type of reaction neutralization esterification saponification -- for carboxylic acids and
the figure shows a circuit of four resistors that are connected to a larger circuit the graph below the circuit shows
after fixing a flat tire on a bicycle you give the wheel a spin if its initial angular speed was 492 rads and it
a cylinder of gas is at room temperature 20degreesc the air conditioner breaks down and the temperature rises to
a fire breaks out and increases the kelvin temperature of a cylinder of compressed gas by a factor of 29 what is the
where can i find a full details about organic named reactions mechanisms i am looking for sonogashira coupling and
a physics student is standing on an initially motionlessfrictionless turntable with rotational inertia 031kgmiddotm2
two wires are tied to the 300 g sphere the sphere revolves ina horizontal circle at a constant speed of 75 ms what is
tin reacts with hydrochloric acid to produce hydrogen gas and tin ii chloride how many liters of hydrogen gas are
a car at the indianapolis-500 accelerates uniformly from the pitarea going from rest to 295 kmh in asemicircular arc
a ball of mass 50 kg is lifted off the floor a distance of 17m what is the change in gravitational potential energy of