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A 32.5 mL sample of NaOH solution was titrated with 64.23 mL of a 1.25 M HCl solution to the equivalence point. What is the molarity of the NaOH?
for a parallel reaction a giving b and c the reaction rate constant k1 4.8 times10-7 s-1 the selectivity between c and
This results in the formation of the highly colored FeSCN2+ complex ion. To do this analysis, a standard solution containing 5.00x10^-5 M Fe3+ was prepared. After addition of excess SCN-, the absorption of the standard solution =0.363 at 580 nm.
Sodium azide (NaN3) is sometimes added to water to kill bacteria. Calculate the concentration of all species in a 0.010 M solution of NaN3. The Ka value for hydrazoic acid (HN3) is 1.9 * 10-5.
Beryllium was first isolated as a relatively pure metal when investigators heated solid beryllium chloride with solid potassium.
You are designing a drier that must evaporate 200 lb/h of H2O from sludge by using air. Air at 70°F and 50% relative humidity is drawn into the drier and it leaves at 140F and 70% relative humidity. How much volume of dry air needs to be used for ..
On prolonged heating with concentrated hydrochloric acid, 2, 2-dimethyl-1-propanol, a primary alcohol, reacts to give 2-chloro-2methylbutane. provide a stepwise mechanism for this reaction
If a container having a volume of 322mL at 25.o degrees celcius was to suddenly reduce to 75.0mL, what would be the new temp.(n,p constant)?
Tetrahedral complexes of Co2+ are quite common. Use a d-orbital splitting diagram to rationalize the stability of Co2+ tetrahedral complex ions.
when you heated the hydrated compound this process starts slowly at first find out the reason behind this?compute k for
What is the product of toluene+ conj base of alcohol? ( a ring with a O- ) also, where does equilibrium lies?
Determine which half-cell will undergo oxidation and which will undergo reduction, identify anode and cathode, and calculate the voltage for the cell.
lightbulb is visible light and that the average wavelength og the light is 550 nm, how many photons are emitted by the lightbuld each second?
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