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question- a sample of gas occupies a volume of 700 ml as it expands it does 1456 j of work on its surroundings at a
question- a gaseous system undergoes a change in temperature and volume what is the entropy change for a particle in
question- the pka of benzoic acid is 42 whereas that of carbonic acid h2co3 is 64 on the basis of this information
question- when a sample of phosphorus-32 a beta-emitter used to treat leukemia and pancreatic cancer was placed 1 cm
question- a 25046g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia the sample is diluted
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question- the half-equivalence of a titration occurs half way to the end point where half of the analyte has reacted to
question- part a- a 500-ml volume of 015 m hbr is titrated with 025 m koh calculate the ph after the addition of 200ml
question- calculate the ph at the equivalence point for the titration of 0230 m methylamine ch3nh2 with 0230m hcl the
question- for the titration of 300ml of 0400m nh3 with 0500 m hcl at 25 degrees determines the relative ph at each of
question- the mole equivalent for an acid is the number of moles of h for a base it is the number of moles of oh- that
question- the concentration of a hcl solution is 632 m what conversion factor should you use to find the number of
question- acetylene c2h2 can be converted to ethane c2h6 by a process known as hydrogenation the reaction isc2h2 g 2h2
question- calculate the equilibrium constant for the following reaction at room temperature 25 degree celsiusbaco3 s
question- calibration of a glass electrode gave a reading of 1267 mv with saturated potassium hydrogen tartrate buffer
question- calculate the ph for each of the following cases in the titration of 250 ml of 0200 m pyridine c5h5naq with
question- a 21712 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia the sample is diluted
question- the pkb values for the dibasic base b are pkb1 210 and pkb2 750 calculate the ph at each of the following
question- how many moles of butane will be required to generate 2776 kj of energy when it undergoes combustion2c4h10g
i need proficient help in the following problemsquestion- the mass spectrum of an organic compound shows the relative
question- a gas is compressed from an initial volume of 560l to a final volume of 122l by an external pressure of 100
question- a student titrated a solution of formic acid with sodium hydroxide the student plotted ph versys volume ml of
question- describe how you would prepare 100ml of 010 m solution of formic acid hco2h given a solution containing 43 by
question- if 1000 g of pf3 reacts with 50 g of f2 according to the balanced question what mass in g of pf5 will be
if 959 ml leadii nitrate solution reacts completely with excess sodium iodide solution to yield 0315 g precipitate what