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Depict structures of the organic starting material as well as product formed for the reduction of vanillin acetate (4-formyl-2-methoxyphenyl acetate C10H10O4) by sodium borodeuteride (NaBD4) reduction. Star(*) all chirality centers. Explain what R/S configuration results at the carbinol (C-OH) position of the product? (Explain what functional groups are reduced by this hydride reagent?)
Consider the following equation: 2HF (g) H2 (g) + F2 (g) k+ 1.00 x 10 ^-2. Given that 1.00 mol of HF(g) ,0.360 mol of H2(g) , and 0.750 mol of F2(g) are mixed in a 5.00-l flask, determine the reaction quotient,Q Q=?
State the mass balance and charge balance equations for a solution that is .45 M in NaF as well as saturated with CaF2
Consider a 20 mol % mixture of hexane (P°=72kPa) in toluene (P°=35kPa). Calculate the fraction of hexane molecules that reside in the vapor above the solution.
In the titration of KHP with a NaOH solution done in experiment to standardize the NaOH solution, you use small amounts of deionized water to rinse the walls of the erlenmeyer flask or the tip of buret during the titration. What effect would this ..
Draw all the monochlorinated derivatives of 2,2,3,3-tetramethylbutane that are skeletal isomers of one another. To make a monochlorinated derivative of a compound, replace one H atom in the compound with Cl.
What volumes of 0.46 M HNO2 and 0.49 M NaNO2 must be mixed to prepare 1.00 L of a solution buffered at pH = 3.40
A solution of magnesium chloride is mixed with a solution of sodium hydroxide. Predict any precipitates that are formed
The air in the balloon is then heated to 62 degree celsius, causing the balloon to expand to a volume of 4.20x10^3 m^3. What is the ratio of the number of moles of air.
What is the simplest formula for Chalcocite if a sample of this ore contains 8.274 g copper and 2.088 g sulfur?
The block of iron is smaller than the block of aluminum. Both objects have the same volume.
A certain gas is present in a 13.0 L cylinder at 3.0 atm pressure. If the pressure is increased to 6.0 atm the volume of the gas decreases to 6.5 L. Find the two constants k1 , the initial value of k, and k1, the final value of k, to verify whethe..
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
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