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A bottle contains 120 mL of cough syrup. If one teaspoon (5 mL) is giving four times a day, how many days will elapse before a refill is needed?
Compound K reacts with ozone to give phenylacetic acid (C6H5CH2COOH), while similar treatment of L gives 2 products. One product, M, is an aldehyde with formula C7H6O; the other product is glyoxal (CHO)2. Draw the structure of compound M.
Sr reacts very vigorously in excess 1 M NH4HCO3 as a precipitate and H2 are formed among the products. For this system in a closed container, write the correct eqns for each 1/2 rxn and net redox rxn noting that incompatible products cannot be pro..
1) Write a balanced equation as in footnote 2 for the neutralization of formic acid with sodium hydroxide?
The activation energy of a certain reaction is 35.3 . At 20 , the rate constant is . At what temperature would this reaction go twice as fast?
Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol required to achieve this
The atmospheric oxidation of nitrogen monoxide was studied at 183C with initial partial pressure of 1.000 atm of NO and 1.000 atm of O2. At equilibrium, Po2= .50-6 atm. Calculate Kp. 2 NO(g) +02 ->
Still on Le Chatelier's principle, Ketones are known to be less reactive in aldol condensations.
Calculate the ph at the equivalence point in the titration of 40.0 mL of 0.165 M of methylamine (kb = 4.4 x 10^-4) with 0.280 M HCl
Derive an expression for the change in temperature which occurs during adiabatic expansion and calculate the work done on a closed system
in terms of kinetic molecular theory explain why pumping air into a collapsed soccer ball causes the ball to increase
10.00mL aliquots of an unknown containing element X was mixed with aliquots of a standard solution of element X for atomic absorption. The standard solution contained 1786.50ug X/mL.
Zinc metal reacts with perchloric cid solution to produce zinc perchlorate (in solution) and hydrogen gas, which escapes.
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