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gaseous oxygen is held in 2 separate containers at identical temperature and pressure the volume of container a is 792
a sample of helium gas has a volume of 823 l at 2588 k and 2049 atm how many helium molecules does it
calculate the mass in grams of hydrogen chloride produced when 56 l of molecular hydrogen measured at stp react with an
calculate the decomposition for this process at constant pressure and 25o c caco3s caos co2 look up the standard
during the synthesis of methyl 3-nitrobenzoate when the reaction mixture is poured on ice the product separates out as
calculate the ph of 0300 l of a 0500 m nahso3 0300 m na2so3 buffer before and after the addition of the following
calculate the heats of combustion for the following reactions from the standard enthalpies of formations listed in
assume that 500 ml of 0100m hcl was added to 125 ml of 0100m sodium acetate is the resulting solution a buffer why or
in column chromatography portion of the friedel-crafts acylation of ferrocene why is ferrocene yellow acetylferrocene
acetone like dimethyl ether has no self-hydrogen bonding capacity but its dipole moemnt is more than double that of the
liquid nitrogen trichloride is heated in a 223-l closed reaction vessel until it decomposed completely to gaseous
construct the hypothetical binary system s-t which represents the following conditions label all areasa component s
in a titration a 07529 gram sample of a mixture of solid c6h5cooh and solid nacl is dissolved in water and titrated
1 if 88 mg of iodine-123 is used in an experiment how many milligrams of iodine-123 should remain after 50 hours
trying to learn more about standard temperature and pressure need help with solving the following example
1 determine the h3o concentration of a solution that has a ph of 8752 calculate the oh- concentration of a solution
1 if the h3o of a solution is0000005 m its ph is2 calculate the ph and poh of a solution that has an oh- concentration
steam produced in a boiler is frequentlywet --- that is it is a saturated mixture of vapour and entrained liquid
in an alkalinity titration of a 1000-ml sample of water from a hot spring 256 ml of a 00035 m solution of hcl is needed
using the hume-rothery rulesa determine if ni should dissolve easily in cu show that your determination is correct by
calculate the ph of 100 ml of 028 m nh3 before and after the addition of 45 g of nh4no3 and account for the change
a thermometer containing 95 of mercury has broken if mercury has a density of 136 what volume
in hexaphenylbenzene synthesis using tetraphenylcyclopentadiene and diphenylacetylene what volume of carbon monoxide
at a ph of 4 the cu-neocuproine complex formed in the liquid-liquid extraction experiment has a partition coefficient
how many non-bonding valence electrons are there in a molecule of citric acid please show how to calculatecount them