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Considering the properties required of molecules for them to undergo steam distillation, explain why a treating mixture of vanillin and eugenol to steam distillation would result in distillation of
Based upon your experiences, suggest what would be the result if we heated a mixture of dichloromethane (bp 39-40 Celcius) and nappthalene (C10H8 with mp 80-82 degrees celcius and bp 218) to 60 degr
Show the boiling point of pure liquid A and B vapor curve, liquid curve The region where only liquid is present The region where only vapor is present The region in which an equilibrium between liqu
Calculate the percent yield of 1.0 grams of salicylic acid obtained from the hydrolysis of 1.3 mL of methyl salicylate.
A graduated cylinder contains 23.5mL of water. What is the new water level after 35.2g of silver metal with a density of 10.5 g/mL is submerged in the water
Exactly 1.0065 g of an unknown solid containing Fe2(SO4)3 and non-ionogenic impurities was dissolved in about 25 mL of wate
What mass of carbon dioxide is produced from the complete combustion of 5.20×10-3g of methane?
Determine [Zn2+] [CN-] [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.390. The Ksp for Zn(CN)2 is 3.0x10^-16. The Ka for HCN is 6.2x10^-10.
Hydrogen sulfide, H2S, is a toxic gas responsible for the odor of rotten eggs. The solubility of H 2 S (g) in water at STP is 0.195M.What is the Henry's-law constant of H2S at 0 ° C?
At a birthday pool party, the temperature is 29.50 C and the atmospheric pressure is 765.4 mmHg. One of the decoration helium balloons has a volume of 6.25 L.
What was the initial concentration of COCl2?
Consider a particle of mass m in a uniform gravitational field. Its potential energy is E(h) = mgh,where h is the height above sea level and g is the earth's gravitational constant, g = 9:8 m/s2
A 10.0cm long cylindrical glass tube, sealed at one end, is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 11.48g . The density of ethanol is 0.789 g/mL.
The cobalt(II) ion, Co^(2+), is especially responsive to magnetic fields, more so that Co^(1+) and Co^(3+). Why
An unknown compound was decomposed and found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen, and 2.05 mol carbon. What is the empirical formula of the unknown compound?
A flask contains 0.500molmol of liquid bromine, Br2\rm Br_2. Determine the number of bromine molecules present in the flask.
Suppose you have a mixture of 2 substances. You know one of the substances is either 2-chlorobenzoic acid or diphenyl acetic acid. The second substance is either p-dibromobenzene or acenaphthylene.
An introduction similar to this related to the same subject with is the crystalline structures, if you can paraphrase it in a way that does not make it plagiarized then that's fine too
What is the equilibrium constant, Kc, for the reaction at this temperature?
Rolls of aluminum foil are 300mm wide and 0.013mm thick. What maximum length of aluminum foil can be made from 0.87kg of aluminum?
The molecule, atracurium, is a very complex drug. Atracurium exhibits a very short half-life (20-min). The products of the fastest inactivation process are shown.
Baking soda, baking powder - what's the difference? Both are white powders, odorless and nearly indistinguishable
You are an EH&S professional returning home from your plant on a summer Friday afternoon at about 4 p.m. You have just picked up some materials from a nearby building supply store for a weeken
What concentration of CO3^2- is need to initiate precipitation. Neglect any volume changes during the addition.
Assuming ideal gas behavior, calculate the mass of (in ) present in the reaction mixture at equilibrium. What is the percent yield of the reaction under these conditions