Astudent pours some silver nitrate into a beaker with warm water. the silver nitrate dissolves. is it a physical or chemical change. use at least one piece of evidence.

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

In which reaction is precipitation occurring?