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a volume of 307 ml of a 166 m kmno4 solution is mixed with 167 ml of a 0976 m kmno4 solution calculate the
what is the net ionic equation for the reaction of an iron ion in solution mixed with nh3 resulting in a percipiate of
a solution containing 8330 g of an unknown protein in 1700 ml of solution has an osmotic pressure of 520 mmhg at 25 c
for the reaction of the ammonium ion with nitrous acid the net reaction is nh4 aq hno2aq yields n2g 2h2o l h aq if
a 2350 ml sample of urine has a mass of 2408 grams the specific gravity of the sample to three significant digits
mercury is poured into the opening end of a j-shaped glass tube which is closed at the short end trapping air in that
a glass tube barometer of uniform cross-sectional area has a bit of air trapped above the mercury the inside length of
what is the osmotic pressure at 22 c of an aqueous solution that contains 435 g of urea nh2conh2 dissolved in 100 ml of
a solution of 250 g of a compound dissolved in 25 g g of benzene freezes at 43 c calculate the molar mass of the
how many grams of urea nh2conh2 must be added to 450 g of water to give a solution with a vapor pressure 250 mmhg less
how do you know if the bond is ionic polar covalent and non covalent by looking at the molecular
consider the fructose-16-bisphosphate rxn from gluconeogenesis what is the free energy change if the ratio of the
1 in fractional distillation liquid can be seen running from the bottom of the distillation column back into the
if the uncertainty in velocity of an electron is 42000 ms what is the minimum uncertainty in its
correct the second part of each of the following names type your answer using the format copperii chloride for cucl2
a 21496g sample of magnesium is burned in air to form magnesium oxide and magnesium nitride when the products are
a draw and name all isomers for 12-difluorocyclopentane indicate which ones are chiral and which ones are non-chiralb
a solution of acetic acid is prepared in water by adding 111 g of sodium acetate to a volumetric flask and bringing the
the mass of an electron is 911times 10-31rm kg if the de broglie wavelength for an electron in a hydrogen atom is
the density of pure silver is 105 gcm3 at 20degc if 525 g of pure silver pellets is added to a graduated cylinder
every measurement has a measurement uncertainty discuss how precise and accurate measurement can be achieved in spite
write the formula for the name or name for the formula of each acid below type your answer using the format copperii
write an empirical formula for each of the following type your answer using the format co2 for co2a ethylene glycol car
give the systematic names for the formulas or the formulas for the names type your answer using the format copperii
what monatomic ions do iodine z 53 and aluminum z 13 form type your answer using the format cu for cu and cu2 for