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.

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?