We then mixed the filtrate with HCl and boiled it to form fumaric acid in the second part of the experiment.
A clear and oily substance appeared while boiling the maleic anhydride in water and a precipitate started to form during cooling. After filtering with the Buchner funnel, a solid white crystal-like product remained and the filtrate was a clear liquid... displayed 300 characters
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After filtering with the Buchner funnel, a solid white crystal-like product remained and the filtrate was a clear liquid. The following Table 1 describes observations made during the first part of the experiment, and the theoretical yield of the product formed.
Table 1: Observations made for part one
Mass of Maleic Anhydride (g) Mass of Final Product 1 (g) Theoretical Melting Point (?C)
7... displayed next 300 characters
For example, an electrophile adds to the double bond,
rotation becomes possible. Loss of the electrophile then regenerates
the double bond. If rotation occurred in the intermediate, the result
is the other isomer...
This calculation does not seem to be valid, as the melting points demonstrated that the recrystallized product was not as pure as the final product. The goal of the experiment was accomplished; cholesterol was isolated and purified from the egg yolks...
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