Given the equation representing a reversible reaction: nh3(g) + h2o(l) < => nh4+(aq) + oh-(aq)according to one acid-base theory, the reactant that donates an h+ ion in the forward reaction is(1) nh3(g) (2) h2o(l)(3) nh4+(aq) (4) oh-(aq)

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

2ki + pb(no3)2 → 2kno3 + pbi2 determine how many moles of kno3 are created if 0.03 moles of ki are completely consumed.