Rock candy is formed when excess sugar is dissolved in hot water followed by crystallization. a student wants to make two batches of rock candy. he finds an unopened box of "cane sugar" in the pantry. he starts preparing batch a by dissolving sugar in of hot water he keeps adding sugar until no more sugar dissolves in the hot water. he cools the solution to room temperature. he prepares batch b by dissolving sugar in of water at room temperature until no more sugar is dissolved. he lets the solution sit at room temperature.

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.