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Predict the outcome of reactions that occur when a solution having [Cu2+]/[Fe2+] = 10 comes in contact with hydrotroilite (FeS). What will be the ratio of [Cu2+]/[Fe2+] in the solution after equilibrium is established? (Disregard hydrolysis effects.)
Ksp for FeS = 10^-18.1, Ksp for CuS = 10^-36.1
Express the concentration of a 0.0280 M aqueous solution of fluoride in mass percentage and in parts per million.
What is the percent yield of a reaction in which 216 g phosphorus trichloride reacts with excess water to form 134 g HCl and aqueous phosphorus acid (H3PO3)
What mass of water would be needed to evaporate from your skin in order to dissipate 1.7 X 105 J of heat from your body?
Zn (s) + 2 HCl (aq) = H2 (g) + ZnCl2 (aq) If 1.26 L of H2 gas are formed at STP, how many g of HCl reacted
If 2.00 moles of acetylene react completely with sufficient oxygen, how many grams of carbon dioxide are produced?
However, both qsolution and it can be either positive or negative numbers. Based on this a) If the solution cools down, is T a positive or negative number? Explain.
For each of the following three questions 25.0 mL of 0.100 M pyridine (Kb = 1.70 x 10-9) is titrated with 0.100 M HCl. For each question calculate the pH of the final solution after the indicated amount of HCl has been added. That is, treat each q..
What exactly are myosin, actin, troponin and tropomyosin chemically?, What molecule releases energy when its bonds are broken. Which bonds are broken to release that energy?
If this codon is mutated to the sequence 5'-UUG-3' what is the expected consequence for the cell
A solution of ammonia and water contains 3.50×1025 water molecules and 5.80×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Write the net redox reaction.
What should the solubility of a compound be in a solvent it is to be recrystalized from?
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