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A solution of 0.1 g/ml of a pure R enantiomer in a 1 dmpolarimeter rotates plane polarized light by +4.8 degrees. What is the rotation observed on this solution in a dm polarimeter?
Explain how the electron configuration of calcium can be determined by changes in I.E. (specifically, the large changes, for example between electron 18 and 19).
write the overall equation for the reaction b. Give a detailed reaction mechanism for the reaction showing all steps and intermediates
The subsequent table gives the first ionization energies for the noble gas elements. Utilizing electron configurations, Define why the first ionization energy decreases with increasing atomic number.
A 3.575g sample of a monoprotic acid was dissolved in water. it took 22.67ml of a .1453 M NaOH solution to neutralize the acid. what is the molar mass of the acid
The solubility product constant (Ksp) for the dissolution of PbSO4 as represented by the chemical equation is 1.7x10-8. PbSO4 (s) Pb2+ (aq) + SO42- (aq) Calculate the molar solubility (mol/L) of PbSO4 in water. Molar Mass (g/mol) PbSO4 303.26
An iron ore sample is a mixture of Fe2O3 and several impurities. A 752. g sample of the impure iron ore is heated with excess carbon.
The molar absorptivities for methyl red in its acid form are 44640 M^-1cm^-1 @ 524 nm and 3860 M^-1cm^-1 @ 425nm and for methyl red in its base form are 740 M^-1cm^-1 @ 524nm and 18530 M^-1cm^-1 @ 425nm
How many grams of H2O are produced when 10.0 g of Phenol, C6H6O, reacts with 20.0 g of O2 in the following reaction
How many moles of CO2 form when all of the butane is the lighter burns. How many molecules of gas form when the butane in the lighter burns completely
A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
Nitrosyl bromide, NOBr, is formed in the reaction of nitric oxide, NO, with bromine,Br2 : 2NO(g)+Br(g) 2NOBr(g) The reaction rapidly establishes equilibrium when the reactants are mixed
Plutonium-241 has a half-life of 14.4 years and decays to Am-241. Em-241 has a half life of 432.7 years and decays to NP-237. If you bury 100 curies of Pu-241 today, how much Pu-241 and Am-241 will be present in 100 years
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