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the largest and smallest slits in these experiments are 016mm and 004mm wide respectively the wavelength of the laser
the carbonyl carbon of an aldehyde ketone carboxylic acid or ester cannot be a stereocenter why or why
in a thermite reaction powdered aluminum reacts with iron iii oxide to make aluminum oxide and molten iron what mass of
a microwave oven operates at 24 ghz with an intensity inside the oven of 2350 wm2 what is the amplitude of the
an object is placed to the left of a lens and a real image is formed to the right of the lens the image is inverted
we have a fusion of metals a and b their molar ratio is 11 if we pour 102 grams of this fusion into excess hcl solution
the decomposition of kclo3 proceeds spontaneously when it is heated do you think that the reverse reaction the
1 what is the density of neon gas at standard temperature and pressure the atomic mass of neon is 2018 atomic mass
a block of mass m 260 kg is pushed a distance d 290 m along a frictionless horizontal table by a constant applied
ka for hcn is 49 times 10-10 what is the ph of a 0068 m aqueous solution of sodium
a 640-kg runner has a speed of 550 ms at one instant during a long-distance eventif he doubles his speed to reach the
the ph of a 055 m aqueous solution of hypobromous acid hbro at 250 degc is 448 what is the value of ka for
a 640-kg runner has a speed of 550 ms at one instant during a long-distance eventwhat is the runners kinetic energy at
a sledge loaded with bricks has a total mass of 186 kg and is pulled at constant speed by a rope inclined at 196deg
in sampling cells of a diploid plant species2n18 at random and measuring their dna content a geneticist obtained the
for a science experiment you need to electroplate a 120nm-thick zinc coating onto both sides of a very thin 25cm x 25cm
an electron confined in a one-dimensional box emits a 400nm photon in a quantum jump from n1 to n2what is the length l
a simple magnifying glass can focus sunlight enough to heat up paper or dry grass and start a fire a magnifying glass
in a hydraulic lift the maximum gauge pressure is 185 atm if the diameter of the output line is 187 cm what is the
a water pipe narrows from a radius of r1 433 cm to a radius of r2 339 cm if the speed of the water in the wider part
the vapor above a mixed drink at room temperature contains 41 ethyl alcohol by mass what is the mass percent
you stand on a frictional platform that is rotating at 13 revs your arms are outstretched and you hold a heavy weight
the km for the reaction of chymotrypsin with n-acetylvaline ethyl ester is 88 x 10-2 m and the km for the reaction of
5c2o4- 2mno4- 16 h -----gt 10 co2 8 h2o 2mn2after a titration to compute the molar mass of the compound and the
consider benzene c6h6 in the gas phase write the reaction for breaking all the bonds in c6h6 using an enthalpy