If 15 ml of water is added to a solution of hydrochloric acid with a pH of 2, how will the solution change?
A. The pH will decrease.
B. The concentration will increase.
C. The pH will increase.
D. The amount of H+ will decrease.

What happens to isotopes that are unstable?

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.