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nbspfind out the deltah0rxn fornbsp the given reaction as c3h4g 2 h2g rarr c3h8gnbspgiven nbspinformationnbspc3h4g 4 o2g rarr 3 co2g 2 h2ol
commercial concentrated of nh3aq is 28 percent ammonia by mass density of the solution 0900 gml compute the amolarity of the solution bmolality of
a 04196 grams xhx mole fraction of hx solution of an acid hx has a density 1141 gml and the molar mass of the acid 2822 gmol find out the
nbspa solution of 605 m of an acid hx has a density 0892 gml molar mass of the acid hx 200 gmol find out the concentration of this solution 1 in m
determine the mole fraction of sodium chloridenacl in the solutionnbsp if this nbspsolution is formednbsp by mixing 170 grams ofnbsp sodium chloride
a chloroform solution of caffeine c8h10n4o2 contains concentration of 00868 m compute mole fraction of caffeinec8h10n4o2 the molarity of the
a nonelectrolyte of 5589 grams are fully dissolved in sufficient h2o to produce an aqueous solution of 250 litres at 250 oc determine the molar mass
determine the new volume ofnbsp a 13 l balloon if it is taken from room temperature that is twenty five degree celsius and placed into a freezer at
considering an unbalanced equation given as ca3po42 h2so4 --gt caso4 h3po4 for the reaction of calcium phosphate with sulfuric acidca3po42
compute the amount of heat essential to fully sublime ninety grams of solid dry ice co2 at its temperature of sublimation if it is given that the
when 90 ml of 10m fe3 ferric or iron iiinbsp is combined to 10 ml of an scn- thiocyanate also known as rhodanidesolution the equilibrium molar
using a solution that is prepared by mixing 115 g of c6h12o6 glucoseof mw 180 amu in 279 ml of solution then determine the molarity determine how
considering the given reaction h2 g l2 g ltgt 2 hl g wherenbsp k 100 x 102 at a particular temperature in an experiment in this experiment what we
skiers and group engaged in outdoor activities in a frosty climate can access portable hot packs mixture of powdered iron nacl sodium chloride and
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