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because earths rotation is gradually slowing the length of each day increases the day at the end of 10 century is 10 ms
two trains on separate tracks move toward each other train 1 has a speed of 141 kmh train 2 a speed of 750 kmh train 2
suppose that the gas-phase reaction a b and b a are both elementary processes with rate constants of 540e03 s-1 and
12 mole of a monoatomic ideal gas that occupies a volume of 13l at 248k spontaneously and isothermically expands until
a 1 x 10-6 f capacitor is connected to an emf that is increasing uniforrmly with time at a rate of 100 vs the
two stationary positive point charges charge 1 of magnitude 400 nc and charge 2 of magnitude 175 nc are separated by a
a major reason why benzoyl chloride undergoes nucleophilic substitution at a faster rate than methyl benzoate is
to some extent the brilliance of diamonds is attributal to total internal reflection calculate the critical angle for a
an electron gun in an old television picture tube is a device that uses an electric field to accelerate electronsnbsp
essay question 2 the discussed authors presented accounts of how societies of the past differ from societies at the
light having a free space wavelength of o 500 nm passes from vacuum into diamond nd 24 under ordinary circumstances
a protein has a net charge of 2 in an electric field at ph 45 what is the frictional drag experienced by the protein if
an ideal gas is enclosed in a cylinder with a movable piston on topof it the piston has a mass of 8000 g and an area of
the vapor pressure of diethyl ether is 401mmhg at 18 degrees c and 593mmhg at 29 degrees c calculate the heat of
a certain double-pane window consists of two glass sheet each 80 cm x 80 cm x 030 cm separated by a 030 cm stagnant air
the density of a piece of ebony wood is 1174 gml what is the volume in quarts of a 21549lb piece of this ebony
ice has formed on a shallow pond and a steady state has been reached with the air above the ice at -35degc and the
a speeding motorist zooms through at 75kmh without noticing a police car by the roadside the police car immediately
how do you calculate the effective nuclear charge for ions cl- and k assuming that the core electrons contribute 100
what are the differences between physical structures of snii and sniv halides and what dictates those structural
a motorist drivesnorth for 350 min at 850 kmh and then stops for 150 min hethen continues northtraveling 130 km in 200
find the electric field energy density and the energy content for a spherical capacitor of radii r1 and r2 where they
in the representative elements how does the stability of the lower oxidation state change as you go down a group and is
the total volume of seawater is 15 x 1021 l assume that seawater contains 31 percent of sodium chloride by mass and
two boats start together and race across a 72 km wide lake and back boat a goes acrossat 72 kmh and returnsat 72 kmh