Recent content by steckona

This question is from a practice MCAT and I am very confused about the logic in the answer they provide. I would really appreciate any help. Question: " A soluble form of Pb^2+ can be carefully added to a solution to sequentially precipitate and separate anions present in the solution. When...

1. A weather balloon travels upward for 6 km while the wind blows it 10 km north and 8 km east. Approximately what is its final displacement from its intial position? I am not sure how to look at this. I know they are vectors which makes this a bit complicated and I know I have to use...