Consider the following chemical reaction:

2CH4(g) =C2H2(g) + 3H2(g)

Describe what is happening within the system when it is at equilibrium in terms of concentrations, reactions that occur, and reaction rates.

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 solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

How have the greenhouse gasses increased from the year 2000 to 2018