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the phosgene cocl2 is chemical warfare gas commonly called mustard gas it decomposes as written below at 900 c the kc
the preliminary concentrations of four species involved in equilibrium are- cl2 140 m hcl 0100 m o2 300 m and h2o
all the reagents in the reaction below are in aqueous form the preliminary concentration of a is 45 x 10-4 m the
purpose the structures of all of the possible stereoisomers produced by the reduction of benzil to hydrobenzoin draw
depict the product expected from the reaction of the grignard reagent formed from isopropyl bromide witha
an o1 molar solution of butyric acid hbu has a ph that varies with the temperature at 10 c- ph29 at 50 c ph295a compute
a drop of concentrated hydrochloric acid 12m falls into a pond containing 3x105l of pure h2o presuming the volume of a
you are given an unknown colorless solution that may contain only on salt from the following set- naa nab nac in
evaluate the root square velocities of n2 and h2 molecules at 279 kelvin also 599
while the gibbs free energy g is the fundamental function of natural variables tp n growing biological cells often
carotenoids present in all organisms capable of photosynthesis extend the range of light absorbed by the organism they
a buffer is made from benzoic acid and sodium benzoate how many grams of the acid would you have to mix with 144 g of
the salts of calcium sulfate magnesium carbonate lead ii bromide calcium chloride and silver nitrate are all added to a
a 01329 g sample of solid magnesiumis burned in a constant-volume bomb calorimeter that has a heat capacity of 1769
a solution is made by diluting 050 mol naclo to a volume of 30 l with water explain what is the ph of the solution kbof
state a net ionic equation for the neutralization reaction of ammonium chloride as well as sodium hydroxide identify
if oxygen gas were collected over water at 20 degrees c as well as the total pressure of the wet gas were 670 mm hg
the vapor-pressure lowering upon forming solution can be utilized for determining molecular weight of nonvolatile
a 04357 gram sample of impure barium chloride dehydrate weighed 03587 grams after it was dried at 200 degc for two
a 01964 g sample of quinone c6h4o2 is burned in a bomb calorimeter that has a heat capacity of 156 kj celsius the
one mole of h20g at 100 atm and 100celcius occupies a volume of 306 l explain when one mole of h20g is condensed to one
if an aqueous solution of certain organic compound has a density of 1063gml an osmotic pressure of 1216atm at 25o c and
the density of an unknown element in the gaseous state is 160 gl at300 k and 1 atm which of the following could be the
equimolaramounts of helium and neon are placed in separate flasks of equal volume and maintained at the same