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Suggest a synthesis for the following alcohol starting from an aldehyde or ketone and propylmagnesium bromide
Rotenone, antimycin A and cyanide are poisons that inhibit the electron flow through respiratory chain. Rotenone inhibits the electron flow through NADH-Q oxireductase. Antimycin A blocks electron flow between cytochrome b and c1. Cyanide blocks e..
What is the mass change (in grams) accompanying the formation of CO and H2 in the water gas reaction?
Calculate the percent yield of the reaction of 205 grams aluminum hydroxide with 751 grams hydrogen sulfate (sulfuric acid), given that 252 grams aluminum sulfate are produced
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogenphosphate. Ka = 7.5 x 10-3.
write a balanced equation for the reaction that occurs between the solutes. Calculate the concentration of each remaining ion in solution. Is the resultant solution acidic or basic
A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.
Pressure in a manometer, A manometer consists of a U-shaped tube containing a liquid. One side is connected to the apparatus and the other is open to the atmosphere
An element has a half life of I month. Given 1000 radioactive atoms, how many radioactive elements will remain after 3 months?
At what temperature will a 1.3 g sample of neon gas exert a pressure of 491 torr in a 5.9 L container?
A solution of a dye in a 0.80 cm cuvette of concentration 1.25 x 10^-3 M had an absorbance of 0.115 at a particular wavelength. What was the molar absorptivity of the dye
Suggest a reason why the cyclic intermediate in the formation of methyl-e-4-methoxycinnamte from p-anisaldehyde, might have two important groups in a trans relationship
Select all of the correct statements about the relative acid strengths of pairs of acids from the choices below. HCl is a stronger acid than H2S because Cl is more electronegative than S.
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