A particular reactant decomposes with a half‑life of 113 s when its initial concentration is 0.395 M. The same reactant decomposes with a half‑life of 211 s when its initial concentration is 0.212 M. What is the value and unit of the rate constant for this reaction?

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

Lewis structure and molecular geometry for nh2cl

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?