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problem- a saturated elution of ag2so4 was prepared calculate the ag and sr2 in the saturated solution pksp for ag2so4
problem- pk1 and pk2 for oxalic acid h2c2o4 are 125 and 427 calculate the oh- of a solution that is 50x10-3 m in
problem- draw the structures of 1aminoacids pyridoxal 2luciferin 3duocarmycin 4thiamine 5thyroxine 6cafestol
problem- the equation shows one mole of ethanol being burned in oxygen convert the energ released into its equivalent
problem- the mass of a proton is 100728 amu and the mass of a neutron is 100867 amu what is the mass defect in amu of a
problem- what is the maximum hydroxide-ion concentration that a 0025 m mgcl2 solution could have without causing the
problem- the silver-ion concentration in a saturated solution of silver i oxalate is 22 x10-4 m what is ksp for silver
problem- for each of the reactions listed below circle the compound which will react faster state whether the mechanism
problem- during a distillation of c bp 85 degrees and e bp 150degrees the last fraction should contain mostly which
problem- a solution of a weak acid hcooh is made to a concentration of 0546 mol l calculate the ph of this solutionka
problem- given the following half-reactions occurring in the silver-zinc hearing aid battery calculate the voltage at
problem- cumene is known to cantain only hydrogen and carbon the burning of a sample of cumene produced 320 moles of
problem- consider the titration of 3000 ml of 0556 m nh3 kb 18 x10-5 with 0500 m hno3 after 1500 ml of 0500 m hno3
problem- if 25 ml of 010 m naoh is added to 35 ml of 020 m hc2h3o2 what is the ph of the resulting solution at 25degc
problem- what is the hydronium-ion concentration of a solution formed by combining 700 ml of 018 m hcl with 300 ml of
problem- nutritional tables give the potassium content of a standard apple as 159 mg there are about 3 applesib how
problem- earths oceans have an average depth of 3800 m a total area of 363108 km2 and an average concentration of
problem- calculate the total amplitude of the normalized bonding and antibonding lcao-mos that may be formed from two
problem- an empty vial weighs 6343 g the vial weighs 25475 g when filled with liquid mercury d 1353 gcm3 how much would
problem- the molar absorptivity for a certain compound is 20 lmol cm if you are using a colorimeter with a path length
problem- the average radius of a molecule of lysozyme an enzyme in tears is 1430 10-3 um what is its radius in
problem- find the molecular ionic and net ionic equations for the following underline all solids if no reaction occurs
problem- the density of a 190 by mass ethylene glycol c2h6o2 solution in water is 103gml find the molarity of the
problem- ethanol c2h5oh is synthesized for industrial use by the following reaction carried out at very high pressurei
problem- the rate constant for the chemical reaction below doubles from 225 c to 2747 c determine the activation energy