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What are the major products of reaction of each of the following with (i) propanal and (ii) propanone ?(a) LiAlH4 / THF then acidic workup (b) PhMgBr then acidic workup(c) 1,2-ethanediol, H+, heat (d) 2,4-dinitrophenylhydrazine(e) Ph3PCHCH3 (f) NH2OH
How can 1-bromopropane be used to prepare each of the following ?(a) ethanal (b) propanone(c) propanal (d) 2-butanone(e) pentanal
Assume that 1.14 mL of liquid remains in the flask each time it is emptied, and that this volume of rinse water remains in the flask prior to preparation of the KNO3 solution. Although in practice rinse volumes are generally approximate, for purpo..
The pH of a solution is 3.70. What is the (H+)? What are (OH-) and pOH. The Ka for Hypochlorus acid, HCIO, is 7.2 x 10-4 at 25 oC. What is pKa. Write the equation for the reaction to which Ka applies.
An aqueous solution of hydrobromic acid is standardized by titration with a 0.164 M solution of potassium hydroxide. If 39.7 mL of base are required to neutralize 18.1 mL of the acid, what is the molarity of the hydrobromic acid solution
During normal grain growth, grain boundaries tend to move toward the center of curvature so that small grains get smaller at the expense of larger grains. During recrystallization, however, the opposite is true
How many grams of urea [(NH2)2CO] must be added to 585 g of water to give a solution with vapor pressure 2.63mmHg less than that of pure water at 30 degrees Celsius
Siver nitrate is sadded to a solution containing an unknown salt. An off-white colored precipitate forms. Nitric acid is added to the mixture, the precipitate dissolves and a gas is given off. What is the anion present: Cl-, Br-, I-, PO4 3-, SO4 2..
How would you separate a mixture of eugenol and cholesterol
At which pressure would nitrogen gas be most soluble. 1.0 atm, 1.5 atm , 2.0 atm or d.25atm
Estimate the mass of water that must evaporate from the skin to cool the body by 0.50^circ C. Assume a body mass of 85 kg and assume that the specific heat capacity of the body is 4.0 {rm{J}}/{rm{g}}; cdot ;^circ {rm{C}}.
The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is?
Calculate the pH of a 7.40×10^-1 M aqueous solution of sodium fluoride (NaF). (For hydrofluoric acid, HF, Ka = 7.20×10^-4)
A mixture of 2.20 moles of gas A and 5.81 moles of gas B has a total pressure of 0.794 atm. What is the partial pressure of each component?
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