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Calculate the percent compostion of impure benzoic acid. The orignial weight of benzoic mixture was 4.23 g. The final weight was 3.11 g after extraction.
Phenol and straight chain alcohol, The compound C6H5OH is a phelol, and C6H13OH is a straight chain alcohol.
In May 1990 the French TGV train traveled the distance from Paris to Lille, France (127 miles) in .819 hours. What was the speed of the TGV in m/s?
A buffer, consisting of H2PO4- and HPO42-, helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system.
Electron Donor and Receptor in Metal Complexes, In the first step of the catalytic cycle, the alkene bonds to palladium to make a new metal complex The alkene is now a ligand because the pi-bond of the alkene is donating some of its electrons to p..
Use this mass and the dilution volumes to calculate the ACTUAL molarity of the sulfuric acid in the INITIAL solution.
what Spartan is doing when it performs a geometry optimization (hint: energy minimization) of a molecule and what kinds of structural changes can result.
earlier, lower-energy TS. Can model reaction coordinate as inverse parabolic potential well. What happens when we make X a better leaving group? Model by tilting entire plot forward. What happens when we make X a better leaving group?
Calculate the mass of water formed by the complete reaction of 935 g of propane (C3H8) with excess oxygen. (Write a balanced equation)
2ZnS + 3O2 = 2ZnO + 2SO2 how many moles of Zno are produces when 32 gms of oxygen is allowed to react with an excess of ZnS?
How many grams of dry NH4Cl need to be added to 2.00 of a 0.100 M solution of ammonia, , to prepare a buffer solution that has a of 8.64? Ka for ammonia is 1.8*10^-5.
Glycerol, C3H8O3, is a water-soluble liquid of density 1.2656 g/ml at 15oC. Calculate the molarity of a solution of glycerol made by dissolving 40.000 ml glycerol at 15oC in enough water to make 250.000 ml of solution.
calculate the ph of buffer solution made from .20 M HC2H3O2 and .050 M C2H3O2 that has an acid dissociation constant for HC2H3O2 of 1.8*10-5.
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