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the mole fraction of nacl in an aqueous solution of nacl 58443 gmol is 00570 the density is of the solution is 107 gmla
an atomic face-centered cubic crystal is 392 angstroms on an edge as well as has a density of 215 gcm3 explain what is
in a constant-pressure calorimeter 600ml of 0310 m baoh2 was added to 600 ml of 0620 m hcl the reaction caused the
while a 500-g sample of kcl is dissolved in water in a calorimeter that has a total heat capacity of 2403 kjbullk-1 the
a 20 cubic foot tank at 100 degrees f is pressured to 200 psia with a pure paraffin gas ten pounds of ethane are added
estimate the critical pressure of a mixture of methane as well as n-hexane if the critical temperature of the mixture
twenty-five pounds of propane are held in a sealed container at 350 psia the volume of the container is three cubic
combustion of 3004 g of a compound containing merely carbon hydrogen and oxygen produces 5112 g co2 and 2845 g
thirty pounds of methane are detained in a sealed container at 100 degrees f the volume of the container is two cu ft
1 explain what simple test can be performed to show that 3-chlorobenzoic acid is not eluted from the chromatography
compute the weight of carbon monoxide having same no of oxygen atoms as are present in 88g of carbon dioxidecompute the
if a solution contains 1120 g of protein in 30 ml of water the osmotic pressure of the resulting solution is 002 atm
the activation energy for the isomerization ol cyclopropane to propene is 274 kjmol explain by what factor does the
a new potential heart medicine code-named x-281 is being tested by a pharmaceutical company pharma-pill as a research
while 641 g of an unknown non-electrolyte is dissolved in 500 g of water the boiling point increased by 092 degrees c
compute the freezing point in degrees c of a solution made by dissolving 541 g of ethylene glycolhoc2h4oh in 60 g of
the pka of the alpha-carboxyl group of glutamine is 217 as well as the pka of its alpha-amino group is 913 compute the
gallium is a metal with a wide variety of uses a few of its applications include computer memory chips light emitting
explain what is the mole fraction of solute and the molal concentration for an aqueous solution that is 100 naoh by
a solution is made by dissolving 0535 mol of nonelectrolyte solute in 841 g of benzene compute the freezing point and
assume you had a balloon made of some highly flexible semiperiable membrane the balloon is filled entirely with a 02 m
utilizing the equivalence volume 119 ml as well as the molarity of base used 12x10-3 compute the concentration of acid
vitamin k is involved in normal blood clotting while 234 g of vitamin k is dissolved in 250 g of camphor the freezing