The scientific method is

cyclic
linear

After cloud droplets form, what must happen to them for precipitation to occur?

List four observations that indicate that a chemical reaction may be taking place

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