Calculate the ph at the equivalence point for the titration
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
Expected delivery within 24 Hoursrs
What is the most stable conformation about the C3-C4 bond of 2,3-dimethylpentane
A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide
Write the balanced equation for the hydration of CuSO4. Indicate the physical states using the abbreviations (s), (l), or (g) for solid, liquid, or gas, respectively
Which of the compounds in the previous problem are aromatic? Which are isomers? a.ethylene b.1-butene c.2-chloro-1,3-butadiene d.2,5-dimethyl-3-hexene e.3-isopropylcyclopentene f.1,3-dimethylbenzene
What is the silver ion concentration in a solution prepared by mixing 461 mL of 0.366 M silver nitrate with 425 mL of 0.545 M sodium chromate
What kinetic energy must the electrons have in order to resolve a protein molecule that is 3.80 nm in diameter? Take the mass of an electron to be 9.11× 10-31 kg.
Write the structural formula of the main organic product of the following reaction between an alcohol (CH3OH), tosyl chloride, and then a nucleophile (CH3S-).
A sample of 1-naphthoic acid is contaminated with a small amount of sand and NaCl. Using active extraction (changing the polarity) and a gravity filtration to remove a component, describe how you would obtain pure naphthoic acid from this mixture.
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78
Which is not a characteristic feature of alkanes a. general formula of CnH2n+2 b. tetrahedral geometry
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!