Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a strip of mg of mass 15g is dropped into a beaker of dilute hcl determine the work done by the evolution of h2 in the subsequent reaction on the
equal amounts of identical liquids is contained by the two insulated beakerxy intially it is given thatnbsp the temperature of beaker x 85degc the
a compound with empirical formula c2h2n dissolved its 00800 gram in 1000 g of c6h6 freezing point of resulting solution 499 degree celsius c6h6
a solution is prepared from 250 g of an unknown compound and 250 g of benzene c6h6 the freezing point of this solution is 43 degree celsius calculate
an osmotic pressure of 784 atm is produced bynbsp an isotonic solution measured against pure water at human body temperature 370 degree celsius
how many grams of ammonium phosphate need to be combined to 500 grams of water if the freezing point of the solution is lowered to -83o c assume that
using a solution containing 550 g of glycerol c3h5oh3 and 250 g of water what will be the freezing point and boiling point of this aqueous solution
using a solution prepared by dissolving 183 grams of sodium chloride in 5000grams of water at 70 degree celsius it is given that the vp of waternbsp
a boy wants to prepare an aqueous solution of sucrose with a vapor pressure of 150 mm hg at a temperature of 20 degree celsius determine how many
the vapor pressure of h2o is 42175 mm hg at 35 degree celsius the vapor pressure of ethyl alcohol c2h5ohnbsp is 1005 mm hg at 35oc determine the
610 ml of anbsp solution160 m is diluted to a volume of 208 ml anbsp portion of that solution104-ml is diluted using 121 ml of h2o determinenbsp the
a reaction flasknbsp contains 111 torr of carbon monoxide and 273 torr of hydrogen initially the reaction is allowed to occur until the pressure
a sample of cacl2 of 108-g is dissolved in 101 gramsnbsp of h2o with both substances atnbsp the temperature 250 degree celsius calculate the final
750 ml of a solution140 m is diluted to a volume of 278 ml a 139-ml portion of that solution is diluted using 111 ml of h2o determine what is the
after analysing a reaction mixture itnbsp showed that it contained the compositionnbsp ofnbsp 0545 moll h2 0416 moll n2 and 0118 moll nh3 at the
if 1 mol of solute particles raises the boiling point of 1 kg of solvent by 363 degrees celsius then calculate the approximate concentration of the
consider the given equation 2 noclg 2 nog cl2g at 35degccalculate the concentrations of all species at equilibrium for each of the given original
a sample of hydrated salt of 115 grams znso4xh2o is dissolved in h2o and the sulfate ion is precipitated by adding an excess of bacl2 solution the
using a nitrogen gas sample in a container with capacity 164 litres a pressure of 121 atm is exerted by this gas sample at the temperature of 35
if equal concentrations of acrylonitrile c 3h 3n and methyl methacrylate c5h8o2 were each polymerized at temperature of 60 degree celsius with equal
blood has normal glucose levels varies from 70 to 110 mg glucose per 100 ml of blood brain damage may occur if the level falls too low there can be
given that the density of a given solid and liquid of molar mass 1472 gmolnbsp 9926 kg m-3 and 9334 kg m-3 at its normal melting temperature of
freezing point ofnbsp pure 2-methyl-2propanol is noted 2550c however it absorbs h2o as an impurity on exposure to humid air determine how many
an unknown mass of each of the given substances 1sand tf704 c2pyrex glasstf676 c3watertf559 c 4ethanol tf459 c initially at 190 degrees celsius
calculate the molecule weight of the liquidnbsp if 231grams of the vapor of a volatile liquid is able to fill a 498-ml flask at temperature of 100