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the heat changes that come with the formation of 100 mol of carbon dioxide from its elements is -3937 kjmol explain
1000ml of the final solution 06m is reacted with surplus bacl to produce a precipitate of barium sulfate fw 2334gmol
while a 938 gram sample of magnesium is burned it produces sufficient heat to raise the temperature of 1737 grams of
organize each of the subsequent reactions as a combination decomposition single displacement or double displacement
the hydrogen gas is collected over water at 23 degrees c and on atmospheric pressure of 756 mm hg defines what would be
the entire subsequent are balanced equations define the number of atoms of each element in the reactants and in the
the adenine is a nitrogen-containing compound found in dna and rna suppose adenine has a composition of 445 c 370 h and
utilizing correct and complete arrow formalism state the complete mechanism for free radical polymerization of
if you take an ir of your product dibenzylidenacetone you will notice a co peak 1639 cm-1 define why is the co peak
1 explicate why the gem-dimethyl groups emerge as separate peaks in the proton nmr spectrum of isoborneolwhile they are
explain how many grams of the excess reactant are left over according to the reaction under given that you start with
separate two of the three compounds1-4 dibromobenzene phenanthrene and o-toluic acid using the following reagents1m
acetic acid hc2h3o2 is a weak acid ka 18 10-5 solution a is 1000ml of 010 m acetic acid and solution b is prepare by
compute the ph for each of the following cases in the titration of 500 ml of 0220 m hcloaq with 0220 m kohaqa before
define how to make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate
define 5000 ml of 0130 m naoh is added to 555 ml of 0200 m weak acid ka 711 times 10-5 explain what is the ph of the
define a complex ion ml62 is blue in solution suppose if the same metal forms a complex with another ligand q that
when investigating the effects of acid rain in your area you find out a lake that is surprisingly resistantyou find out
define a solution of the primary standard potassium hydrogen phthalate khc8h4o4 was prepared by dissolving 04877 g of
compute the theoretical yield in grams for the williamson ether synthesis of phenacetin density of p-phenetidine is
thermodynamics offers a way to interpret everyday occurrences if you live in northern climates one common familiarity
explain a 240 g sample of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of nh3 define what
1 suppose if mass na2c2o4 used 00106 gvolume of kmno4 used ml 16 mlfind out the molarity of kmno4 solution using
consider the titration of 1000 ml of 0200 m acetic acid ka 18 10-5 by 0100 m koh calculate the ph of the resulting
explain a particular 12v battery is based on a reaction having a standard cell potential e0192 v define what happens