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A solution contains .10 M iodide ion, I- and 0.10 M carbonate ion, CO32-.... a. If solid Pb(NO3)2 is slowly added to the solution which salt will precipitate first, PbI2 or PbCO3? What will the concentration of the first ion that precipitates when the second, more soluble salt begins to precipitate
If climate change continues, snow fields and glaciers in Canada's north will shrink, which has two main consequences. It exposes the arctic soil and it thaws decaying organic matter that had been beneath the ice and snow.
Distilled water is mixed in one test tube with 1) a soap made of NaOH and canola oil and 2) a separate test tube with just laundry detergent
How would the ground-state energy levels of X and H compare (where X is an atom with one electron like Hbut different energy levels)? For X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J).
Identify the charged groups in the peptide shown below at pH=1 and at pH=7. What is the net charge of this peptide at these two pH values? val-met-ser-Ile-phe-arg-cys-tyr-leu
Describe the characteristic IR absorption frequencies in cm -1 that would allow you to distinguish between the following pair of compounds.
How do you find the mass of an unknown acid in a 10mL portion used for titration if my original mass of the unknown acid is 0.307g
The Al2O3 does not react. If the sample residue weighs 2.489 g, what is the mass fraction of Fe2O3 in the original sample?
What is the molarity of H2C4H4O6 if 31.75 mL of 0.1749 M KOH are required to react with 10.04 mL of H2C4H4O6 solution according to the reaction below
Henry's constant for CO in water at 25 degrees Celsius is 9.71 x 10^-4 mol/L atom. How many grams of CO will dissolve in 1.00 L of water at a CO partial pressure of 2.75 atm
Osteo imperfecta displays a wide range of symptoms for mild to servere. On the bases of amino acid and collagen structure,
Which of the following bond moments would cancel the lone pair moment? S=O S-F N-H another lone pair Consider the molecules F2, OF2, PF3, CF4, and BF3. Which molecules have a dipole moment?
How do you tell whether a solution is basic, acidic or neutral just by looking at the formula? Like KCl. I need to know how to figure out whether it's neutral, basic or acidic and have no clue how this is done.
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