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Based on the following definitions of stereospecifc and stereoselective, propose a reaction that is stereospecific but NOT stereoselective
Stereospecific:A reaction is stereospecific if the reactive site(s) of the reactant is/are stereogenic and each reactant stereoisomer forms a different stereoisomer (or a different set of stereoisomers). The reactive site is defined as the center(s) that is/are undergoing a chemical transformation (e.g., change in functional group, substituents, oxidation states etc.)
Stereoselective: A reaction is stereoselective when one stereoisomer is formed more than another.
The most probable mechanism of reactivity for the solvolysis of tertiary butyl chloride is a)Sn1 b)Sn2 c)E1 d)E2. I performed the experiment and benzyl chloride (primary) and teriaty butyl chloride (tertiary) ran the same amount of time. 2-chloro-..
Calculate the standard entropy change for the reaction 2Na(s) + Cl2 (g) --> 2NaCl (s) using the data from the following table: Substance Change in h Change in G S degrees 0.00 0.00 51.30 0.00 0.00 223.1 -411.0 -384.0 72.10
In an electrolysis experiment, 15.0 g of water are decomposed by means of an electrical current to form gaseous hydrogen and oxygen. Calculate the volume of gaseous hydrogen produced at 25 °C and 100 kPa.
tetrafluoroethylene c2f4 can be converted to octafluorocyclobutane which can be used as a refrigerant or an aerosol
suppose a student attempts to do an ion exchange on a column that is already nearly saturated with CO2+ and Zn2+.
How is the rate of consumption of O2 related to the rate of consumption of NH3? (b) How is the rate of formation of NO related to the rate of consumption of NH3? (c) How is the rate of formation of H2O related to the rate of consumption of NH3?
Show that the ammonium ion NH4+, 1ppb(mole fraction) is equivalent to 0.56 ppb (mass fraction) or .74 ugm-3 at T=298 and 1 atm. Start by solving for mass concentration Note that mass fraction is related to mole fraction as
The Eu(III) standards added to the groundwater sample contained 0.181 ng/mL (ppb) of Eu(III). Calculate the concentration of Eu(III) in the groundwater sample.
Which protein elutes first from a diethylaminoethyl cellulose ion exchange column with a decreasing pH gradient
Plutonium-239 is a byproduct of the fission reaction used to produce energy in nuclear power reactors. It has a half-life of 24,400 years. A student determines that it will take 97,600 years for the radioactivity of a Pu-239 sample to drop to one-..
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.
If the outer electron in a Sn- ion is removed by absorbing a photon of visible light having an energy of 4.829E-19 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron?
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