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the unknown liquid is volatile if some of the liquid evaporates between the time the liquid is delivered to the beaker
if 345 ml leadii nitrate solution reacts completely with excess sodium iodide solution to yield 0690 g precipitate what
the electronic spectrum of the molecule butadiene can be approximated using the one dimensional particle in a box if
an oscillator consists of a block of mass 0600 kg connected to a spring when set into oscillation with amplitude 420 cm
potassium carbonate k2co3 sodium iodide nai magnesium oxide mgo methanol ch3oh and ammonium chloride nh4cl are soluble
an unknown metal m reacts with s to form a compound with a formula m2s3if 312g of m reacts with exactly 288g of sulphur
a 2120 kg car moving east at 107 ms collides with a 3240 kg car moving east the cars stick together and move east as a
the surface area of an unclothed person is 155 m2 and his skin temperature is 330degc the person is located in a dark
acetic acid is added to water until the ph reaches what is the total concentration of the added acetic
we wish to coat flat glass n 150 with a transparent material n 125 so that reflection of light at wavelength 600 nm
a wave with a frequency of 230hz and a wavelength of 129cm is traveling along a cord the maximum speed of particles on
the volume of an ideal gas changes from 40 to 56 cm3 although its pressure remains constant at 50000 pa what work is
once you make a 100ml of 02m solution with 2422 g of substance if you take 10 ml of that solution you just made and add
in 0784 s a 111-kg block is pulled through a distance of 471 m on a frictionless horizontal surface starting from rest
the length of a simple pendulum is 086 m and the mass of the particle the bob at the end of the cable is 033 kg the
the front spring of a cars suspension system has a spring constant of 232 x 106 nm and supports a mass of 183 kg the
calculate the probability of an electron in the ground state of the hydrogen atom being inside the region of the proton
a 020-kg object attached to the end of a string swings in a vertical circle radius 80 cm at the top of the circle the
if a ship loaded when floating in fresh water to a weight of 50000 metric tons were floated in sea water of specific
a 6500 kg helicopter accelerates upward at 059 ms2 while lifting a 1210 kg cara what is the lift force exerted by the
a cannon of mass 517 x 10 3 kg is rigidly bolted to the earth so it can recoil only by a negligible amount the cannon
an airplane is heading due south at a speed of 580 kmh if a wind begins blowing from the southwest at a speed of 900
a magnetic field b crosses a plane boundary between two lih magnetic materials in the first material of relative
consider two dipoles p1 oriented along z at the origin and p2 oriented along x at a distance r in the x-y plane given
in the absence of air resistance a projectile is launched from and returns to ground level it follows a trajectory