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how many moles of ions are found in 345 ml of a solution containing 422 gl aluminum
a tank is 2m above the connection to the water controls the water then travels up a vertical pipe to the shower head
a certain conductor has 620 1028 free electrons per cubic meter a cross-sectional area of 400 10-6 m2 and carries a
a muonic atom is an atom containing a muon like an electron but 2064630 times the electron mass calculate the radius of
nicotine a component of tobacco is composed of rm c rm h and rm n a 3675 -mg sample of nicotine was combusted producing
two points are given in polar coordinates by r 30 m 400deg and r 50 m -400deg respectively what is the distance
positronium is a hydrogen atom with the proton replaced by a positron like electron but w positive charge calculate e1
the forensic technician at a crime scene has just prepared a luminol stock solution by adding 170 g of luminol to h2o
a block of mass m 200 kg is attached to a spring of force constant k 415 nm as shown in the figure below the block is
prove that wiens displacement law for max requires that ehv in the planck radiation law please do not give me links or
in an experiment on the photoelectric effect a cessium plate is illuminated with uv light of wavelength 2000 angstroms
magnesium metal is easily deformed by an applied force whereas magnesium fluoride is shattered why do these two solids
in addition to the line lambda 2537 angstroms the mercury spectrum has a strong line at lamda 1849 angstroms in an
a man is riding in a cart with mass m at speed v along a frictionless horizontal surface he jumps off in such a way as
a solid substance x has a vapor pressure of 300mm hg at 25oc and does not conduct electricity solid substance y has an
at the same instant that a 20-kg ball is dropped from 50 m above earth a second ball with a mass of 10 kg is thrown
the work function of zinc is 36 ev what is the maximum energy of the photoelectrons ejected by uv light of wavelength
a 20 kg mass and a 30 kg mass are attached to a lightweight frictionless pulley the masses are free to move find the
using mmo1-v2c212 to describe the special relativistic effects on an electron orbiting with a speed v in an atom
two pendulum bobs have masses ma 3 kg and mb 2 kg and equal lengths l as shown in the figure bob a is initially held
a muonic atom is an atom containing a muon like an electron but 2064630 times the electron mass calculate the energy of
popitronium is a hydrogen atom with the proton replaced by a positron like electron but w positive charge calculate e1
the magnitude of the electrostatic force between two identical ions that are separated by a distance of 50 10-10 m is
deuterium is a heavy isotope of hydrogen with a nucleus containing one proton and one neutron in the balmer series n4
the charges and coordinates of two charged particles held fixed in an xy plane are q1 29 c x1 35 cm y1 050 cm and q2