【简答题】First , Al 2 O 3 is chemically stable in a wide variety of severe environments , whereas metallic aluminum would be oxidized . In fact , a common reaction product in the chemical degradation of alumi...
【简答题】A C 6 H 14 O
chiral alcohol is converted to a bromide by treat with PBr 3 . Reaction
of this bromide, first with Mg in ether, followed by quenching in 0.1N HCl
produces a chiral hydrocarbon. Which of ...
【简答题】To use the machine, first _____ the correct coins, then select the drink you want and press the button. 2. Professor Smith translated not only from the French but also, ____, from the Polish. 3. Food ...