In the following equation: fecl3 + o2 = fe2o3 + cl2, what is the limiting reactant if 4 moles of fecl3 react with 4 moles of o2?

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

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

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