Furan is readily acetylated on treatment with acetic anhydride and a Lewis acid, such as BF3. Predict the major regioisomer produced (A or B) in this reaction and choose the answer that most fully describes the reasons why.

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn