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part a the unit cell edge in sodium chloride has a length of 5640 pm the sodium ion has a radius of 95 pm what is the
a colored complex of unknown sample solution exhibits 23 transmission through 1-cm long cuvette a 11 dilution solution
an otto engine uses a gas having gamma 140 and has a compression ratio of 860part a out of every gallon of fuel this
a model of a helicopter rotor has four blades each 360 m in length from the central shaft to the bladetip what is the
an lc circuit has zero resistance no battery a capacitor c46microfarads and an inductor l02h connected in a simple loop
a brick is initially 1480 cm high and an aluminum can is initially 1481 cm high by how much must their temperatures be
blood is a viscous fluid if due to plaque the cross-sectional area of an artery is reduced by a factor 6 over a segment
what volume of 0382 m naoh is needed to reach the equivalence point in the titration of 249 ml of 00390 m chlorous acid
if it is orbital velocity that keeps the electron orbiting the protron and as its energy decays does it get drawn into
two moles of an ideal gas undergo a reversible isothermal expansion from 310times102m3 to 500times102m3 at a
04647g sample of a compound known to contain only carbon hydrogen and oxygen was burned to yield 08635g of co2 and
a balloon is filled with 500 liters of helium at a pressure of 120 atm and a temperature of 270 degrees ca find the
two people are carrying a uniform 7280 n log through the forest bubba is 31 m from one end of the log x and his partner
suppose that a 100 cm3 box in the shape of a cube is perfectly evacuated except for a single particle of mass 121 10-3
when you lower the ph of a solution containing aqueous sodium benzoate a precipitate eventually forms a what will
the density of benzene at 250 degrees c is 0879gcm3 what is the volume in liters of 25 kg
two point particles move toward the right as shown in the figure if particle 1 has mass m and speed v and particle 2
an automobile gasoline tank holds 21 of gasoline when the gasoline burns 82 of oxygen is consumed and carbon dioxide
a 60-cm-diameter cylinder of nitrogen gas has a 40-cm-thickmovable copper piston the cylinder is oriented vertically
imagine two solutions with the same concentration and same boiling point but one has benzene as the solvent and the
a dipole is located at the origin with charges 3 nc and -3 ncseparated by 4 mum consider a spherical gaussian
a 670-g piece of gold at 725k is dropped into 165 g of h2ol at 298k in an insulated container at 1 bar pressure
the left ventricle of the heart accelerates blood from rest to avelocity of 24cmsa if the displacement of the blood