Which direction does the magnetic field point in the solenoid sketched here?
Electron Flow

The grooves or folds of the brain are called

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5