1. Potential energy increases. Kinetic energy decreases. ( You can pick multiple answers)
A. A baseball pitcher throws a fastball to a batter.
B. A book is placed on a shelf.
C. A skier descends from a mountain top.
D. A rechargeable battery recharges.
E. A rubber band is stretched around a ponytail.
F. Water molecules are heated until they become a vapor.

Please help!!

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

Name the intersection of plane bpq and plane cpq.