Why is the following Electron Configuration incorrect for Aluminium?

Describe the interaction that occurs between two objects with the same electrical charge.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?