Calculate the heat of reaction ΔH for the following reaction:
2NH3(g)→N2(g)+ 3H2(g)

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

What is the lowest number energy level where a d sublevel is found