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what is the identity of the atom a when a solution containing 634 grams of acl3 was permitted to combine with an excess of aqueous silver nitrate
what is the ph of a 015m solution of hcooh formic acid if the ka of formic acid hcooh is 18x10-4 at 25 degrees celsius considering the given equation
the solubility of carbon dioxide in h2o at the temperature of twenty five degree celsius and pressure of co2 1 atm 0034 moll determine
what is methanols vapor pressurenbspit boils atnbsp650 degc and has a heat of vaporization deltahvap 374 kjmol at 220 degcwhat is the molar mass of
when sodium bicarbonate or sodium hydrogen carbonate is heated above the temperature of 270 degrees celsius it decomposes to sodium carbonate water
write a balanced chemical equation for this reaction when ferrophosphorus reacts with pyrite making iron ll sulfide and a compound that is 2787 p and
if c6h12o6 yields c2h5ohco2 then balance this equation and determine what the percent yield for the reaction isnbspif 5750 grams of c6h12o6 glucose
using a sample that was dissolved in ch2cl2 mixed alumina evaporated the ch2cl2 loaded and began to run his column starting with c6h14 as solvent all
a buffer solution is formed by combining 500 ml of 0022 m benzoic acid and 200 ml of 0032 m sodium benzoate determine what are the ph and the change
consideringnbsp the given reaction 3 baso4s 2 alcl3 aqregal2so43aq 3bacl2 aqnbsp write the balanced equation for the reaction if 0780 grams of
waters bad smell containing hydrogen sulfide h2s that can be removed by the action of cl considering the given reaction h2saq cl2aq rarr 2hclaq ss
00431 moles of sucrose c12h22o11 are dissolved in 4000 grams of h2o the solution density 1013 gml and suppose that the density of pure water 100 gml
elemental analysis of putrescine the rotten smell of a decaying animal carcass is partially due to a nitrogen-contained compounded showed that it
when 100 g of pure benzoic acidnbsp nbspc7h6o2nbsp is added in 500 grams of carbon tetrachloride ccl4 the freezing point of the solution 49 degree
a certain anesthetic contains 649 percent carbon 135 percent hydrogen and 216 oxygen by mass determine the molecular formula of the compound at 120
a solution is prepared by combining 117 grams of sodium hydroxide in approximately 450 mili litres of h2o in a volumetric flask and this solution
nbspa radiation biologist studies the decomposition rate of a certain substance and obtains the given data as mass mug 2600 1771 1206 822 560 time
an ideal gas of one mole is sealed in a 224 litres container at a 100 atm of pressure and a 273 nbspkelvin of temperature determine the new pressure
at the temperature of thirty seven degree celsius the equilibrium concentration of ca2 inside a cell 0085 m and outside 0042 m the cell membrane is
ch3coohnbsp is an vital ingredient of vinegar using a sample of 500 ml of commercial vinegar is titrated against a 100 m sodium naoh hydroxide
a bacterium isolated from a soil culture can consume nbspc5h10o5 ribose as a sole source of c when grown anaerobically experiments show that in the
determine the molarity of the naohsodium hydroxide solution in an acid-base titration 2213 ml of a sodium hydroxide solution are required to
given rate constant 18x10-4 s-1 at 25 degree celsius when hydrolysis of sucrose c-12 h-22 o-12 into glucose and fructose in acidic waterassuming the
what must be the atomic mass of the metal mnbsp if a sample of the compound mso4 weighing 01131 g reacts with barium chloride and yields 02193 g
what is the concentration of the h2so4 if a chemist titrates 3000 ml of sodium hydroxide naoh with a 50 m solution of naoh and needs only 34 ml of