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When silver metal reacts with bromine at 298 k, a spntaneous redox reaction takes place. calculate E initial and calculate the wquilibrium constant.
25.00 ml of a .250 M NH3 solution is titrated with .100 M HCl. What is the pH after 5.00 ml of HCl has been added? Kb of NH3 = 1.76*10^-5. (please show all calculations)
Starting with aziridine, and using 1) PhCH2Br; 2) Na2CO3; 3) PhCH2Br as reagents, what are the mechanisms and intermediates leading to a final product
The internuclear distance in NaCl(g) is 2.3606 angstrom, whereas in NaCl(s) the shortest Na-Cl distance is 2.814 angstrom. Explain why this should be so when the binding energy is larger in the crystal.
What is the de Broglie wavelength (in nm) associated with a 2.50-g Ping Pong ball traveling 35mph?
Gas stoichiometry and Percentage of calcium carbonate in the sample
Its a cyclohexanol with an oh on the second carbon at the top and a cl on 4 directly opposite, what is the name
Calculate the pH of the buffer system if 2.00 moles of H3PO4 and 1.00 mole of NaH2PO4 are present in 1.00L of a solution
A compound of iodine and cesium contains 63.94g of metal and 61.06g of nonmetal. How many grams of cesium are in 38.77g of the compound? How many grams of iodine?
The mass spectrum of an organic compound shows the relative abundances of M to be 83.79% and M 1 to be 13.59%. Assuming the peaks are caused by 12C and 13C isotopes,
Consider two DNA molecules: one 400 base pairs long, the other 800 base pairs long. Assuming that each is a rigid rod of diameter 25 Å, with a length of 3.4 Å per base pai.
Drawa a fat (oil) molecule representing corn oil. The fatty side chains that you need to include are two of the esters group derived from oleic acid and one from the linoleic acid
Give the cell notation based on the following reaction: Fe(s) + Hg2 ++ (aqueous) = Fe++ (aqueous) + 2Hg (l) the solution concentrations are 0.01 M
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