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how many grams of f2 must react with nacl in the following reaction if 800 kj of energy are released 2nacl f2 --gt
over the course of a month a family used 100 gallons of hot water per day what is this families monthly expenses for
two manufacturing plants need 10e4 kg of al each week one plant produces the al from bauxite al2o3 whereas the other
a 12 -long steel rod with a diameter of 050 hangs vertically from the ceiling an auto engine weighing 47 is hung from
2 kg of water exist initially as a vapor and liquid at 90 degrees c in a rigid container of volume 242 m3a at what
a 400-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0500 m and mass 100 kg the
will this solution deviate positively from deviate negatively from or ideally follow raoults
one kilogram of steam in a piston cylinder device undergoes the following changes of state calculate q and w for each
a steam turbine operates between 500 degrees c and 35 mpa to 200 degrees c and 03 mpa if the turbine generates 750 kw
an unstable particle with a mass equal to 334 10-27 kg is initially at rest the particle decays into two fragments that
one mole of an ideal gas cp7r2 in a closed piston cylinder is compressed from initial state of temperature 100 k
air at 30 celcius and 2 mpa flows at steady state in a horizontal pipeline with a velocity of 25ms it passes through a
an ideal gas enters a valve at 500k and 3mpa at a steady state rate of 3 molmin it is throttled to 05 mpa what is the
a beam of sodium light landa 589 nm is incident from air on a smooth surfac of water at an angle of 65 degrees with
some hypothetical metal has the simple cubic crystal structure ie atoms positioned at each of the eight corners with
find the concentration of benzene in water miligramliter if the water is in equilibrium with a layer of oil containing
acetylsalicylic acid aspirin hc9h7o4 is the most widely used pain reliever and fever reducer in the world find the ph
calculate the vapor pressure of water above a solution prepared by dissolving 350 of glycerin in 135 of water at 343
monothiocarbamate complexes of feiii have been prepared for the methly and ethyl complexes the magnetic moment mu is 57
a stone is dropped from rest into a well the sound of the splash is heard exactly 200 s later find the depth of the
a bottle of wine contains 125 ethanol by volume the density of ethanol is 0789 gcm3 calculate concentration of ethanol
a diver pushes off horizontally from the top of a vertical cliff that is 400 m high from water surface below but the
a use plancks equation e hv to determine the energy in kilojoules per mole of radiation of frequency 212times1014 s-1b
one has a dipole of 0 d and the other has a dipole moment of 295 d draw the structure of the stereoisomer with dipole
is it possible to have homogeneous binary liquid solution whose viscosity is higher or lower than that of either of the