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1 what is the magnification of an astronomical telescope whose objective lens has a focal length of 80 cm and whose
a certain crude oil has an index of refraction of 125 a ship dumps 100m3 of this oil into the ocean and the oil spreads
a unidentificated corpse was found on april 7th at 700 am the pathologist discovered that there were 124 x 1037 atoms
a system does 44 times 104 joule of work and 79 times104 joule of heat flows into the system during the process obtain
the light from a red laser pointer has a wavelength of regarding 600nm if this laser has a power of 022mw what is the
the 100 ml of a solution that is 010 m in both cu2 and mn2 and 020 m in h3o is saturated with h2s illustrate which
a converging lens has a focal length of 60 centimeter a 12 centimeter high arrow is located 95 centimeter from the lens
explain what is the mass number of a carbon isotope that consists of 6 protons 6 electrons and 8
light from a helium-neon laser is shines on a slit of width 002mm explain qualitatively the pattern of light seen on a
draw the flow diagram overleaf of the synthesis of isoamyl acetate the products at each step must be
a 270 gram object moving to the right at 180 cms overtakes and collides elastically with a 100 gram object moving in
a sample of moon rock was examined by mass spectroscopy merely 1147 of the original 4019k remained the rest had decayed
an object has a weight of 0882 newton it is suspended from a scale which reads 0735 newton when the piece is submerged
the solubility of mnso4 in water at 20c is 70g per 100ml of water is a solution at 20c that is 422m in mnso4 is best
a pair of narrow parallel slits separated by a distance of 0221mm is illuminated by the green component from a mercury
the combustion of 572g of butane c4h10 produces 1034g of co2 define what is the percent yield of the reaction presume
illustrate the retrosynthetic analysis and write the reactions required to synthesize the following compound3s
define why gel electrophoresis is important in recombinant dna technology as well explain how dna molecules can be
water at the top of niagara falls has a temperature of 110degc if it falls a distance of 700 meter and all of its
explain what are the species present in a solution of sulfuric acid specified that ka1 is very large and ka2
a chemist required to produce 70200 kilograms of acetylsalicylic acid c9h8o4 explain how many liters of acetic
a cube of solid aluminum has a volume of 100 m3 at 20 degree celsius find what temperature change is required to
a 015 kg marble moving to the right at 4ms has a head on elastic collision by a 045 kg marble sitting at rest on a
an elevator is able to raise 1000 kilogram to a height of 20 meter in10 seconda calculate how much work does the
a 1000-w motor power a hoist used to lift cars at a service stationa determine how much time would it take to raise a