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the dissolution of ammonium nitrate occurs spontaneosly in water 25 degrees celcius as nh4no3 dissolves the temperature
a merry-go-round accelerates from rest to 071 in 21 assuming the merry-go-round is a uniform disk of radius 75 and
how to devise a multi-step synthesis of butanoic acid and hexanoic acid from
jupiter has a radius of 71492km and a mass of 19x1027 kg jupiters moon has a mass of 9x1022kg and orbits at a distance
why is it not possible to use acetic acid rather than formic acid in the eischwieler-clarke reaction look at the
two blocks are connected by a very light string passing over a massless and frictionless pulley fig e67 traveling at
an object executing simple harmonic motion has a maximum speed of 49 ms and a maximum acceleration of 070 ms2 a find
balance the equations using the oxidation-reduction reaction identify the half-equations if it is oxidation or
a student carries out a reaction of mg with hcl at 20c and collects 21 cm3 h2 gas measured at a pressure of 751 torr
a mercury barometer reads 750 mm on the roof of a building and 766 mm on the ground assuming a constant value of 129
1 enough of a monoprotic acid is dissolved in water to produce a 00126 m solution the ph of the resulting solution is
an airtight box has a removable lid of area 111e-2 m2 and negligible weight the box is taken up a mountain where the
water is supplied to an office building 440 m high through a pipe at ground levela find the minimum pressure in the
4 liters of an ideal gas at 200 k is heated to 400 k what is the gass new volume assuming the number of moles and
neutron stars consist only of neutrons and have unbelievably high densities a typical mass and radius for a neutron
a 210 ohm bulb is connected across the terminals of a 120v- battery having 450 ohm of internal resistance what
at the surface of jupiters moon io the acceleration due to gravity is 181 ms2 a if a piece of ice weighs 420n at the
explain why the diels-alder reaction of anthracene and maleic anhydride forms 9 10-dihydroanthracene-910-a
equal masses of wood and metal are heated to the same temperature and then tossed into two seperate bowls containing
a man is dragging a trunk up the loading ramp of a movers truck the ramp has a slope angle of 200degree and the man
a compass originally points north at this location the horizontal component of the earths magnetic field has a
1 a mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 306 cm if the spring
a duck is floating on a lake with 30 of its volume beneath the water what is the average density of the
consider an electron in a cyclotron motion with the velocity v 10000 times 105 ms perpendicular to the magnetic field