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suppose you have a mixture of 2 substances you know one of the substances is either 2-chlorobenzoic acid or diphenyl
100 g of a metal primarily at 25 degrees c are placed into 100 g of h2o initially at 100 degrees c explain which metal
explain a balloon has a volume of 120 l on a warm 32 ordmc day if the same balloon is placed in the freezer and cooled
explain the atmospheric pressure in mexico city is about 580torr briefly define the difference between this and the
explain what property is required for the many cofactors groups and coenzymes that make up the electron transport chain
compare the bond enthalpies of the nitrogen-nitrogen single as well as triple bonds based on this information explain
the vapor pressure of ethanol at 347 ordmc is 1000 mm hg as well as the heat of vaporization of ethanol is hvap386kjmol
explain treatment of a 04-g sample of impure potassium chloride with an excess of agno3 resulted in the formation of
explain if the lead can be extracted with 925 efficiency explain what mass of ore is required to make a lead sphere
explain which statement is correct concerning the resulting titration curve when a weak acid is titrated with a strong
a solution contains 450ml of 75 m haaq ka13e-5 and 550ml of 700 m lia explain what volume of 10 m hclaq must be added
explain when measuring ph during a titration we have a buret containing naoh aq of known concentration explain under
explain write a balanced redox reaction for the complete oxidation of ethene h2cch2 to co2 coupled to the reduction of
explain what is the ph at the equivalence point when 010 m hno3 is utilized to titrate a volume of solution containing
explain titration of a strong acid with a strong base the ph curve for titration of 500ml of a 0100 m solution of
compute the ph of the solution made by adding 050 mol of hobr and 030 mol of kobr to 100 l of water if the value of ka
state the reaction utilizing a single alcohol as a starting product and include any other reactants reagents or
the uv absorbance at 280 nm is another means of protein quantization that does not rely on the production of a colored
explain what is the number of radioactive k-40 nuclei if nt 627 x 10 to the negative 4 x 1 mole k-40molar mass x 6022 x
illustrate how the pre- exponential term can play a large or small factor on its persuade on the rate constant based on
define why alcohols have a higher boiling point as well as greater water solubility than haloalkanes of similar molar
compare as well as contrast diethyl ether as a general inhalation anesthetic to modern gaseous ether general
find out the volume of a 750m k2cr2o7 solution required to completely react with 510g cu the molecular mass of k2cr2o7
a quantity of 400 102ml of 0600 m hno3 is mixed with 400 102ml of 0300 m baoh2 in a constant-pressure calorimeter of
if a house has a carbon monoxide concentration of 50 ppm explain what volume of carbon monoxide is present in 10 l of