If a graduated cylinder's water level reads 50.0 mL, and you add a rock to it so the water level rises to 54.0 mL, what is the volume of the rock?

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal. a.added more engine powerb. activated a connection to the pedalc. stalled the engined. released a connection to the pedal

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

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.