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a sealed tank containing seawater to a height of 110 m also contains air above the water at a gauge pressure of 300 atm
a solution if prepared by dissolving 202 ml of methanol ch3oh in 1000 ml of water the final volume of the solution is
it takes a force of 53 kn on the lead car of a 16 car passengertrain with a mass 91 x 105 to pull it a constant 45 ms
nitric acid is purchased in a concentrated form that is 703 by mass and has a density of 141 gml describe exactly how
a hydraulic jack is made with a small piston 12 cm indiameter that is used to move a large piston 61 cm in diameter ifa
a solution is found to be 433 ethanol by mass ch3ch2oh how many grams of ethanol are in 1 liter of this solution what
a 200 l nickel container was charge with 805 atm of xenon gas and 121 atm of flourine gas at 400 c the xenon and
1 a sample oxygen gas is collected over water at 250 c an a total pressure of 642 torr the volume of the gas collected
waves from a radio station have a wavelength of 300m they travel by two paths to a home receiver 200km from
1 how would not allowing the crucible to cool to room temperture before weighing the product affect the outcome of the
one end of a copper rod is in thermal contact with a hotresrvoir at t500k and the other end is in thermal contact with
the acid dissociation constant for hypochlorous acid is 30x10-8a calculate the concentration of h3o at equilibrium if
a farm boy studying physics believes that he can fit a 150m long pole into a 120m long barn if he runs fast enough
a diverging lens is to be used to produce avirtual image one-fifth as tall as theobject where should the object be
solutions of sulfuric acid and lead acetate react to form solid lead sulfate and a solution of acetic acid570 of
in a youngs double-slit experiment the seventh dark fringe islocated 0027 m to the side of thecentral bright finge on a
a 150 kg bucket of water is suspended by a ropewrapped around a windless that is a solid cylinder 0500 m indiameter
rhea one of saturns moons has a radius of 765 km andan acceleration due to gravity of 0278 ms2 at itssurface calculate
1 what ions are present in an aqueous solution of naoh2 what ions are present in an aqueous solution of nicl23 write a
when in orbit a communication satellite attracts the earthwith a force of 190 kn and the earth-satellite
suppose that in an attempt tp minimize waste a laboratory teaching assistant decided to give each student only 1 ml of
a black totally absorbing piece of cardboard of area a 15 cm2 intercepts lightwith an intensity of 2 wm2from a camera
write a molecular equation for the precipitation reaction if any that occurs when the following solutions are mixed if