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Explain why one would recrystallize a solid from a solvent pair. Explain how it works in terms of solubilities. What were you observing when your ethanol - water solutions became cloudy?
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As a distributor, Testa Produce doesn't have direct contact with the public. How might the company go about alerting consumers to its "green" initiatives?
Insoluble PbBr2(s) precipitates when solutions of Pb(NO3)2(aq) and NaBr(aq) are mixed. Pb(NO3)2(aq) + 2NaBr(aq) ---> PbBr2(s) + 2NaNO3(aq) ΔrH = ? To measure the enthalpy change, 350. mL of 0.50 M Pb(NO3)2(aq) and 350. ...
What could a source of error be during a titration lab that is not a humans fault?
How many grams of H2SO4 must be dissolved into 0.709 L of solution to generate a concentration of 0.303 M?
1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...
Q1: In your gravimatric analysis experiment, you weigh the precipitate of AgCl in a filtering crucible. You have to weight your filtering crucible first (three weighing measurement), then do the filtration. After drying ...
How many formula units of barium fluoride (BaF2) are in 1.63g of BaF2 How many formula units of aluminum chloride (AlCl3) are in 0.582g of AlCl3 How many grams of caffeine (C8H10N4O2) contain 2.53×10^24 molecules of caff ...
An analysis of an oxide of nitrogen with a molecular weight of92.02 amu gave 69.57% oxygen and 30.43 % nitrogen. What is the empirical formula of the compound?
Over the next 12 months Bradley Metals (Located in Vancouver) will order aprox. 6000 of forging units (from Kurrat Tools, located in Montreal) with the average weight of 15 LBS/unit.(6000/12= 500 units per month). 6,00 ...
What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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