In the laboratory, a general chemistry student measured the pH of a 0.426 M aqueous solution of hypochlorous acid to be 3.897. Use the information she obtained to determine the Ka for this acid. Ka(experiment)

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

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer