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calculate the vant hoff factor of na3po4 in a 40 m solution whose freezing point is
a calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 312 m assume the density of the
375 kg of water are in a well insulated container at 213 degrees celsius after 4184 kj of heat is added to the water
if you have 290 ml of water at 25 c and add 110 ml of water at 95 c what is the final temperature of the
a garden hose is attached to a water faucet on one end and a spray nozzle on the other end the water faucet is turned
calculate the heat flow through a 0500m long copper bar with a cross sectional area of 050 cm2 one end at 30 degrees
a product has glycerol molecular weight92 the product contain 25 by weight glycerol and has a void fraction of 70 and a
a balloon is filled with 475 liters of helium at a pressure of 105 atm and a temperature of 280deg ca find the mass of
the solubility of n2 in blood at 37ampacircampdegc and at a partial pressure of 080 atm is 56 10-4 moll a deep-sea
a dilute electrolyte is prepared by dissolving ironiii chloride in water it is found to ave a freezing point of - 25c
a solution of naci and water has a molality of 40m predict the mass of a sample of this solution which contains 1000
a passenger car traveling down a rough road bounces up and down at 10 with a maximum vertical acceleration of 017 both
2 from your results in part a calculate the time for the blue color to appear for this system if 15 ml ki 15 ml kcl
a particle with charge q is at rest when a magnetic field is suddenly turned on the field points in the z-direction
models of torpedoes are sometimes tested in a horizontal pipe of flowing water much as a wind tunnel is used to test
calculate the mass of nitrogen dissolved at room temperature in an 800 l home aquarium assume a total pressure of 10
mercury is a toxic heavy metal which is liquid at room temperature to form hgbr2 mercuryii bromide a student reacts
after our sun exhausts its nuclear fuel its ultimate fate may be to collapse to a white dwarf state in which it has
the aqueous solubility of co2 at 20 degrees celsius and 100 atm is equivalent to 878 ml of co2g measured at stp per 100
a nearsighted person cannot see objects clearly beyound 30cmthe far point if the patient has no astigmatism and contact
a copper rod of cross-sectional area 145 cm2 has one end immersed in boiling water and the other in an ice-water
for the reaction s2o82- 3i- yields i3- so42- what is the oxidation state of
a pot containing 110 liter of water initially at 19degc is placed on a 1081 w electric heating elementa how much heat
show that cosix e-xex2 and isinix e-x-ex2 this is expressions are called the hyperbolic cosine and hyperbolic sine
a roller-coaster car has a mass of 504 kg when fully loaded with passengers point b of the rollercoaster has a radius