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In the addition of bromine to trans-anethole the reason more anti rather than syn addition product is formed is that.
a) There is probably some satiric hinderance taking place between substituents attached to the double bonded carbons.
b) No stable carbocation intermediate is formed while syn addition takes place
c) Anti addition takes place first as well as trans-anethole left over the reacts by syn addition
d) Isotopic variations of the chlorine atoms shifts the ratio in favor of anti addition
Detailed calculations show that the value of Z eff for the outermost electrons in Na and K atoms is 2.51+ and 3.49+ , respectively. What value do you estimate for Zeff experienced by the outermost electron in both Na and K by assuming core electro..
Explain how would you make 100mL of a carbonic acid buffer at 0.2 M as well as pH = 9.8 using 0.5 M HCO3 and either 0.1 M NaOH or 0.1 M HCl and water
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A star is estimated to have a mass of 2x10 to 36 kg. Assuming it to be a sphere of average radius 7.0x 10 to 5 km, calculate the average density of the star in units of grams per cubic centimeter.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 10.2..
question 1 which of the following ph levels would be the most acidic?ph 2ph 5ph 8ph 12question 2 if you drop a 25 gram
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using a solution that is containing 110-2 m pb2 ions is mixednbsp to 210 -4m solution of i-ions now you just need to
a closed vessel contains an inert gas a at 760 mmhg and60degc. what is the total pressure in millimeters of mercury
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