If the tlc solvent is changed to 201 hexanesethyl acetate
If the TLC solvent is changed to 20:1 Hexanes:ethyl acetate, how should the Rf values be affected?
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Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst). CH3CH2OH CH2=CH2 + H2O If 23.3 g of ethanol produced 12.5 g of ethene
BRIEF DESCRIPTION OF THE R CODES NEEDED TO IMPLETEMENT THE METHOD:1- bootstrap 2-cross-validation 3-subset selection methods 4-ridge regression
Consider a sample that is a mixture composed of biphenyl, benzoic acid and benzyl alcohol. predict the order of elution oc the components in this mixture. assume that the chromatography uses silica column and the solvent system is based on cyclohe
A large industrial firm uses 3 local motels to provide overnight accommodations for its clients. From past experience it is known that 20%: of the clients are assigned rooms at the Ramada Inn, 50% at the Sheraton, and 30% at the Lake view Motor Lodge
If the sprinter from the previous problem accelerates at that rate for 20 m, what will be his time for the race
Acetaminophen is a weaker acid than carbonic acid, but aspirin is a stronger acid than carbonic acid. Prepare a flow diagram showing a procedure that can be used to separate a mixture of sucrose
What was the most interesting part of your visit and is there anything about what you observed that would cause you to want to settle a case or to pursue it fully to trial? What and why?
A wire that is carrying a current is placed in a uniform magnetic field pointing out of the page. What direction does the force on the wire point
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