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a very strongly absorbing complex molecular weight 1000 gmol has a molar absorptivity of 40000 m-1 cm-1 assuming a 10
draw a picture of the following cell showing the location of each species and the anode and cathode pts i fe3 aq fe2aq
if 500 g of co2 g and 120g h2o g are formed when a hydrocarbon compound is burned in excess o2 what is the
a mixture of a and b was partially separated on an hplc column resultin in overlap of their chromatographic peaks the
an ionic crystal unit cell is composed of two ions x and y the empirical formula of this solid is xy2 if the x ions
calculate the entropy change for the irreversible process of water freezing at -10c for the crystallization of water at
a compound is composed of nitrogen 874 by mass and hydrogen a gaseous sample h2nnh2 has a density of 910-7kgml at 600
what is the change in the boiling point of water at 100c per mm change in atmospheric pressure the densities of water
a storage container has the dimensions of 232mm by 0145m by 325cm if it is filled with liquid mercury density 13534 gml
a solution is made by dissolving 153g of hcl in enough water to make 470x102 ml of solution calculate the ph of the
carbon combines with metals to form which of the following ionic compounds a carbonates b carbides c oxides d organo
the bond energies increase in the order o21 lt o2 lt o-2lt o2-2 the number of unpaired electrons in o2-1 and o2 is
what products are expected in the ethoxide-promoted -elimination reaction of 1-chloro-1-methylcyclohexane omit ions
why is high pressure needed in hplc and what is a bonded phase in liquid
a saturated solution of pbcl2 in water was prepared and filtered from the filtrate 10 l was measured out into a beaker
how many donor atoms enable edta to form a stable complex ion with lead a 4 b 6 c 5 d 3 e
which of these square planar complex ions can have cis-trans isomers a ptnh32cl2 b ptnh342 c ptnh3cl3- d ninh33cl e
which statement is correct about transition metals a they have incompletely filled d subshells b they form paramagnetic
a beaker contains 250 ml of an aqueous solution that has 025 moles of formic acid hcooh and 025 moles of sodium formate
how would the value of molecular weight be affected if all of the liquid is not vaporized
how would a calculated specific heat be affected if there is less water in the calorimeter that the value used in a
the vapor pressure of ethanol at 347 degrees celsius is 100mmgh and the heat of vaporization of ehanol is 386 kj mol
how would a calculated specific heat be affected if the metal cools before it is transferred to the water would it be
how might you use 13c nmr spectroscopy to determine if the brominated product is contaminated with some unreacted
draw fischer projection formulas for the products likely to be obtained from the bromination of z-2-pentene with