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a certain fractional distillation apparatus contains a 24-cm vigreux column stacked on top of a 30-cm glass tube that
how many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide and you have an excess
a mixture initially contains and in the following concentrations 0500 140 and 0600 the following reaction
explain how the yield of reaction can be greatly increased meaning reactants are more extensively converted into
write the arrhenius expression and indicate which 3 factors are included in the equation in no more than 2 sentences
imagine that it is a very hot summer day outside to help quench your thirst while outdoors you decide to make yourself
in non-ionic compounds the two primary sources of intermolecular forces are permanent dipoles and temporary dipoles
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project in quantum chemistry the project is about the self-consistent field scf method quantum chemistryexplain
what mass of carbon dioxide is produced from the complete combustion of 290times10-3g of
the first ionization energy for rubidium is 4030 kjmol how much energy would be required to convert 171 g of gaseous
what is the wavelength in meters of photons with the following energies in what region of the electromagnetic spectrum
give the expected ground-state electron configurations for atoms with the following atomic numbers
draw the structure of the potential product if an elimination reaction takes place instead of substitution nabr h2so4
nabr h2so4 ---gt hbr nahso please descride the mechanism for sn2 reaction in this
using the definitions for oxidation and for reduction identify the exact species that is getting oxidized and species
a person is most likely to experience serious biological effects when exposed to which of the following forms of
what is the purpose of refluxing the reaction mixture for 45 minutes in nuclephilic substitution nabr and 1 butanol and
how many grams of barium phosphate are required to react with 52 grams of aluminum sulfite as a double displacement
microwave ovens work by irradiating food with microwave radiation which is absorbed and converted into heatassuming
benzyl alcohol was selected by a student to crystallize fluorenol because the solubility characteristics of this
when the 1-bromobutane is first formed it often has a yellow or brown color but pure 1-bromobutane is colorless explain
what would be the mathematical sign for the energy change positive for endothermic or negative for exothermic for each
when 1 mol of co g forms from its elements 1105 kj of heat is releaseda write a balanced thermochemical equation for