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Esters are normally unreactive toward sodium borohydride, but they react readily with lithium aluminum hydride to produce alcohols. a. Propose a rationale for the lack of reactivity of esters toward NaBH4 b. Propose a rationale for the greater reactivity of lithium aluminum hydride over that of sodium borohydride. c. Write the structures of the organic products that will be formed when methyl benzoate is treated with lithium aluminum hydride and the reaction mixture is worked up with aqueous acid.
How many molecules of ethanol are present in 125mL of ethanol? The density of ethanol is 0.789g/cm^3.
0.45 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
25.0 mL of a calcium chloride solution is added to an excess of aqueous silver nitrate. The resulting precipitate has a mass of 1.25 grams. If the percent yield of this reaction is known to be 85%, calculate the concentration in molarity of the or..
septic tank has a pH of 6.90 and HCO3- concentration of 8.25 mmol L-1. Calculate the partial pressure of carbon dioxide in the associated soil atmosphere.
If 17.7 kilograms of Al2O3(s), 58.4 kilograms of NaOH(l), and 58.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?
calculate the volume of carbon dioxide, measured at 273 k and 1.01 x 10 5 Pa, which would be produced when 1.25 g of calcium carbonate reacts completely with the hydrochloric acid.
A 320. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 59°C?
what effect could having too much compound in the capillary tube have on the observed melting point? a) the observed melting point would not change
Organic chemistry solution - First question wants the product of certain oxidation reaction of chromic acid with a secondary alcohol and primary alcohol.
What is the percent by mass of NaHCO3 in a solution containing 50 g of NaHCO3 dissolved in 400 mL of H2O?
Which of the following compounds contains a chiral carbon molecule? a) chloroethane b) 1,1-dichloroethane c) dibromochloromethane d) 2-butanol
Determine the freezing point of an aqueous solution that is 1,7 m in ethylene glycol. The freezing point depression constant for water is 1.86°C/m The freezing point of pure water is 0.0°C.
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