Calcium hydroxide is partially soluble as shown by the
following reaction.
Ca(OH)2 (5) Ca²+ (aq) + 20H-(aq)
What is the poH of a 5 x 10-5 M Ca(OH)2 solution?
pH =
>

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

Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a

Asap what is the temperature when the volume is 700 ml? a 500 k b 200 k c 600 k d 700 k