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a buffer is prepared by dissolving 52203g of hno2 and 65552g mgno22 into water forming 25 l of solution what is the ph
1 a first-order reaction has rate constants of 45 10-2 s-1 and 90 10-2 s-1 at 0degc and 20degc respectively what is the
the explosive nitroglycerin decomposes rapidly upon ignition or sudden impact according to the following balanced
limonene mw 136 is a pleasant smelling liquid found in lemon and orange peels the bp of limonene is 175 but it
3 isomerse-12-diisopropylethenez-12-diisopropylethene11-diisopropylethenewhat is the order of stability of these three
the standard enthalpy of formation of gaseous water is -24182 kjmol at 298 k estimate this value at 370 k the molar
how many milliliters of 26 m nh4cl must be added to 260 ml of 020 m nh3 to obtain a buffer solution having
when you convert units how do you decide which part of the conversion factor is in the numerator and which is in the
how would you compare the molar enthalpies of neutralization for a monoprotic acid a diprotic acid and a triprotic acid
does fadh2 have a thermodynamic tendency to reduce coenzyme q at ph 7 explain
if i add amnonia to 1 ml of copper ii sulfate solution and i am observing the mixture turn a darker blue what type of
calculate the ph of a 060 m h2so3 solution that has the stepwise dissociation constants ka115x10-2 and ka2
calculate the ph of a solution that is 0295 m in sodium formate nahco2 and 0205 m in formic acid hco2h the ka of formic
what volume of 500x10-3 m hno3 is needed to titrate 8000 ml of 500x10-3 caoh2 to the equivalence
how many milliliters of 00850 m naoh are required to titrate 250 ml of 00720 m hbr to the equivalence
formic acid hco2h ka18x10-4 is the principal component in the venom of stinging ants what is the molarity of a formic
how many millliters of 0750 m h3po4 are required to react with 250 ml of 0150 m baoh2 if the products are barium
what ph is required to start precipitation of feoh3 from a 0110 m solution of fecl3 ksp of feoh3 40
a what mass of iron can be obtained from108g of iron iii oxideb how many grams of cl2o7 must be reacted with an excess
a mixture is made by mixing 407 ml 0000200 m hcl with 383 ml of 0000180 m naoh based upon these values the mixtures ph
it was found that 1933 ml of an hi solution are needed to react completely with 320 ml of a lioh solution that has a ph
part aa a 1758ml sample of 0380m acetic acid ch3co2h was allowed to react with 1915l of gaseous ammonia at 25 degrees c
arrange the following from lowest to highest ionization energy o o2 o2- and o2 explain
how would you calculate the quantitative solubility of calcium nitrate cano32 after saturating the solution heating and
what is a chemically reasonable reaction that is stereospecific but not