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Could a fluorescent organic compound be mixed with the silica gel to be used as a visualizing aid in place of ZnS?
find the of X-281, you prepare a 0.075 test solution of X-281. The pH of the solution is determined to be 3.00. What is the of X-281?
Explain why C-H single bond stretching is observed in the functional group (higher energy) region of the IR, but the absorptions corresponding to other single bond stretching vibrations
Originally, a system contains only HI at a pressure of 1.00 atm at 520 degrees celsius. The equilibrium partial pressure of H2 is found to be 0.10 atm. Calculate Kp. 2HI(g) H2(g)+I2(g).
Electrolysis of a solution of CuSO4(aq) to give copper metal is carried using a current of 0.66 A. How long should electrolysis continue to produce 0.50 g of copper
72.0 mL of a 1.40 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 161 mL of water. What is the final concentration.
Compare the percent ionization of the base in (a) with the percent ionization of the base in (b).
Acetic acid is titrated with NaOH hydroxide. What is the relevant reaction. what is the equilibrium constant for this reaction, if Ka=1.76x10^-5 for acetic acid.
Reactions in which a substance decomposes by losing CO. calculate the minimum temperature at which the process would become spontaneous assumming delta H
how many milliliters of 0.54M HCL solution are needed to react completely with 4.6g of zinc to form zinc (II) chloride?
PbO + NaCl + H2O ---> Pb(OH)Cl + NaOH How many grams of PbO and how many grams of NaCl would be required to produce 10.0g of Pb(OH)Cl? a) Mass of PbO required = ? b) Mass of NaCl required = ?
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 12.26 mL of 0.08855 M potassium permanganate (KMnO4) to reach the purple endpoint.
N-Phenylmaleimide, can act as a dienophile in the Diels-Alder reaction Draw the structure of the product that would be formed by the treatment of N-phenylmaleimide with
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