Asoild reactant is placed into a beaker of warm water. the liquid vigorously bubbles as the soild dissolves into the solution. what will most likely happen if the temperature of tge liquid is slightly reduced?

Can someone me with these questions plz.

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3