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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
at a distance of 130 km from a radio transmitter the amplitude of the radiated electric field of the radio
when 0100 mol of carbpon is burned in a closed vessel with 800 g oxygen how many grams of carbon dioxide can form which
an astronaut lands on a distant planet and wants to measure the planets gravitational acceleration she takes a 002-kg
tris base pka 81 ka 832 e-9 was dissolved in 05l of water to give the final concentration of 1 m a find ph of the
a string is attached to a cube of plastic of volume v 0450 m3 that is placed in oil with density 900 kgm3 as shown in
what type of strain does chair cyclohexane have significantly more of compared to n-hexanea angleb trans-annularc
chromium metal can be produced from the high temperature reaction cr2o3 chromium oxide with silicon or aluminum by
light of wavelength 480nm is incident on a metallic surface with a resultant photoelectric stopping potential of 55v
an electron microscope operates with electrons of kinetic energy 40kev what is the wavelength of these electrons h 6626
an electric dipole consisting of charges of magnitude 210 nc separated by 760 microm is in an electric field of