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when compound a c5h12o is treated with hbr it forms compound b c5h11br the 1h nmr spectrum of compound a has one
a a resistor and capacitor are connected in series with an applied ac voltage source separate voltmeter readings across
if 0250 mole of hydrogen gas occupies 0333 l at 20 degrees celcius what is the pressure in
a an ac voltage source with a peak output of 200v is connected to a 50 ohm resistor what is the rate of energy
if 0785 mole of ammonia gas occupies 245 l at 0853 atm what is the celcius
if 106 moles of helium exert a pressure of 0750 atm at 210 degrees celius what is the volume in
calculate the mass of a solid gold rectangular bar that has dimensions lwh 420 cm 120 cm 290 cm the density of gold is
how many moles of methane occupy a volume of 2000 ml at 50 degrees celcius and 746
magnetic measurements have been made on some lavas found at 60n 90w the angle of inclination is measured to be 37 if
a solenoid 100 cm in diameter and 658 cm long is made from copper wire of diameter 0100 cm with very thin insulation
an green hoop with mass mh 28 kg and radius rh 017 m hangs from a string that goes over a blue solid disk pulley with
an atmoshperic sample contains nitrogen at 599 torr oxygen at 154 torr argon at 6 torr and carbon dioxide assuming
a simple pendulum 20 m in length is released with a push when the support string is at an angle of 25deg from the
how many grams of isopropyl alcohol c3h7oh should be added to 10 l of water to give a solution that will not freeze
the magnetic field inside the solenoid changes at a rate of 15 ts a conducting coil with 2000 turns surrounds the
kno3 dissolves in 100g water 316g 20 degrees c 855g 50 degrees c 202g 90 degrees c is enthalpy of solution positive or
two polaroid sheets are arranged so that their transmission axes are at 90 degrees to each othera if a beam of
if you weigh the lauric acid to the nearest 01g and you weigh the unknown solid to the nearest 00001g can you calculate
a free particle of mass m in a one-dimensional box with infinite walls at x0 and xl given by the potential functionvx 0
a skier is accelerating down a 30 degree hill at 200 ms squareda what is vertical component of her accelerationb how
014 kg of water at 880 deg c is poured into an insulated cup containing 0234 kg of ice initally at 0 deg calculate the
a spherical christmas tree ornament is 384 cm in diameter what is the magnification of the image of an object placed
a 0484g sample of impure nh4br is treated with 2500ml of 02050 m naoh and heated to drive off the nh3 the unreacted
a 783 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated
a 150 kg box is released on a 30 degree incline and accelerates down the incline at 030 ms squared find the frictional