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consider a solution that is 010 m in a weak triprotic acid a triprotic acid is an acid which has three h or hydrogen atoms which is represented by
if 114 kilo joule is given off per mole of ethylene reacting determine how much heat is released when 148 kilo grams of ethylene formsdetermine the
it is given ab2 a 2b- a 007 m b- 009 m and pk 675 standard enthalpies of formation acetic and ab2 - 2565 kcal molea -865 k cal moletemperature
compute the volume of 3m naohaqaqueous sodium hydroxide needed to neutralize the phosphoric acids and acetic acid in the synthesis of
considering the given equation as al2o3s rarr 4 als 3 o2g where h 33396 kjmol determine h for the formation of one mole of aluminiumiii oxide
considering the given equation as 2no g o2 g rarr 2no2 g wher deltah -1146 kjmol determine the amount of heat given off when 126 x 104 g of no2 are
a mixture of carbon monoxide co carbon dioxide co2 and oxygen o2 is contained within a 275 ml flask at the temperature of zero degree celsius
given the unbalanced equation ag2co3 yeild ag o2 co2 how many moles can be produced from 25 moles of ag2co3in a coffee-cup calorimeter ammonium
680 ml of a 170 m solution is diluted to a volume of 258 ml determine the final concentrationif a 129 ml portion of that solution is diluted using
ethanol ch 3ch 2oh is mixed to gasoline to form e85 a fuel for automobiles engines when c2h5oh 3o2 produces 2co2 3h2o determine how many grams of
a boy titrates fifty mili litres of apple juice and observes the givenfinal buret reading- 1786 ml initial buret reading- 198 ml in the titration to
a sample of cacl2 of 118 grams is dissolved in water of 121 grams with both substances at the normal room temperature250degc compute the final
considering this given equation as 2no o2 --gt 2no2 this is believed to occur by the mechanism 2no--gt n2o2 k1n2o2--gt2no k-1n2o22--gt2no2 k2 derive
what is the ph of a buffer if this buffer solution contains 012 mol of ch3ch2cooh and 010 mol of c3h5nao2 in 150 litressuppose you are performing the
determine the value of work w when a piston of volume 02 litres expands against an external pressure of 200 kpa to a volume of 34 litresa total
590 ml of a solution of 170 m is diluted to a volume of 288 ml determine the final concentration if a 144-ml portion of that solution is diluted
a reaction known to release heat of four kilo joules takes place in a calorimeter containing two litres of solution and the temperature increased by
5000ml of 300m hydrochloric acid reacts with 34 zg s determine the limiting reactant and also calculate how much of the gas is produceda gas expands
to make a phosphate buffer at ph 96 starting with 1l of 10 mm phosphoric acid h3po4 pks are of 215 682 and 1238 determine how much koh you could
a sample of vanadium haveing 567 grams of mass upon heating combined with oxegen of 445gramsto make vanadium oxide determine determine the emperical
it takes 480 joules amount of energy to increase the temperature of 1031 grams mercury from 200degc to 535degc compute the molar heat capacity of
considering the given equation fe203 3c ----gt2fe3co in which ironiii oxide reacts with carbon to give iron and carbon monoxide now determine how
a disgruntled postal worker dumps a liquid culture of anthrax into a river nine hundred meters upstream of the intake pipe for the municipal water
considering the given equation h2c2o4aq 2 oh-aq ltgt c2o42-aq 2 h2ol in which it is given that for h2c2o4aq ka1 65 x 10-2 and ka2 61 x 10-5 dont
in tropospheric chemistry the decomposition of n2o5 is an important process the half life for the first order decomposition if this compound 20500 s