The column that shows how many free to react an element has.

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?