Avertical column of elements in the periodic table is called a

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

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

If two objects at different te,peraure are in contact with each other what happens to their temperature