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if you want to prepare a 05 m solution of ascorbic acid using 250 ml water how many moles of ascorbic acid do you need
a sample of neon gas occupies a volume of 28 l at 18 atm what would its volume be at 12
the enthalpy change for the combustion of monoclinic sulfur to co2 is -9376 kjg under the same conditions the
014m nac2h3o2019 naclwrite an equation showing how this buffer neutralizes added acid hiwrite an equation showing how
what is the name of the sticky gelatinous precipitate that is formed in the primary treatment process and carries away
a 01550 g rock sample of unknown concentration was dissolved in hcl and diluted to 1000ml aliquots of 1500 ml of this
write the reaction equation for antifreeze poisoning and give its treatment reaction equations balanced when possible
q1 3-chloro-37-dimethyloctane undergoes a reaction in kohetoh h20 and produces products using one of the products write
three gases were added to the same 44l container the total pressure of the gases was 772 torr at room temperature 250
silver chloride usually does not ppt in solution of 10m nh3 however agbr has a smaller ksp will agbr ppt form a
available are solid oxalic acid dihydrate solid sodium hydrogenoxalate monohydrate solid sodium oxalate and liquid
what is the maximum volume of 60 m naoh that can be added to 100 ml of a buffer solution that is initially 100 m in
can the strength of a base be determined by titration of an aqueous solution of that base with an aqueous solution of
consider a particle in a one-dimensional box the longest transition wavelength for the particle is 200 nm1 what is the
a solid mixture weighing 1372 grams and containing only sodium carbonate and sodium bicarbonate required 2911ml of
if it takes 20nl of an12m solution of iodine to titrate 15ml of an ascorbic acid solution calculate the molarity of the
in each of the following pairs which compound would you expect to have the higher standard molar entropy a c2h2g or
complete and balance this equation show all work clearly particularly each 12 reaction what is the reducing or
a wooden artifact from a chinese temple has a 14c activity of 343 counts per minute as compared with an activity of 582
a 25-mole quantity of cuso4 is added to a liter of 10 m nh3 solution what is the concentration of cu2 at equilibrium
a 25 ml sample of 0200m nh3 was titrated with 0200m hcl calculate the ph at each of the following points in the
a student was analyzing an unknown containing only group iv cations when the unknown was treated with 3m nh42co3
explain how dissolving the group iv carbonate precipitate with 6m ch3cooh followed by the addition of extra acetic acid
chromium iii hydroxide is highly insoluble in distilled water but dissolves readily in either acidic or basic solution
some species of bacteria can oxidize nitrite to nitrate using the energy released by the transfer of electrons to drive