Given 3.0 mol H2 and 2.0 mol O2, how could we get more H2O? 2 H2 + O2 -> 2 H2O

a. Use less H2
b. Use less O2
c. Use more H2
d. Use more O2

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

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?