If you have 4 moles of zinc and 4 moles of hydrochloric acid, which of these would be the limiting reactant?

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction