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The specific rotation for enantiomerically pure sec-phenethyl alcohol is 42 degrees. What would the specific rotation of this 93% optically pure sample?
When a glow stick is placed in a freezer, its chemiluminescence lasts a significant time longer. How might this come about?
Give a detailed explanation why SN1 mechanisms are not stereospecific but SN2 mechanisms are very stereospecific causing
Iron (III) oxide(s) is heated in excess carbon monoxide(g) to form iron(s) and carbon dioxide(g). If the percent yield of iron was 83.0% and the actual yield was 9.87 g, how much iron (iii) oxide was used?
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps.
Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5 degrees C to 179 degrees C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction
Calculate the theoretical yield for the reaction if .80g of succinic anhydride and excess aniline was used. Whis is the percent yield if a student isolates 0.9g of succinimide
Calculate what quantity of potassium chlorate that has molecular weight of 122.5 needed to form 33.6 litres of oxygen? Express your answer in grams and assume that temperature and pressue will be in normal condition?
A certain second-order reaction () has a rate constant of 1.80×10-3 at 27 and an initial half-life of 216 . What is the concentration of the reactant after one half-life?
What is the estimated temperature of the object using the above approximate prescription? what is the percent error?
Determine which H atom transition (ninitial,nfinal) was responsible for the emission of a photon with a frequency of 6.91 x 1014 Hz.
Draw a six carbon alkyne that can exist as diastereomers. The molecule should only contain only carbon
List the following reducing agents in order of decreasing strength under standard-state conditions: As(s), Pb(s), Fe(s)
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