If the initial concentration of AB is 0.250 M , and the reaction mixture initially contains no products, what are the concentrations of A and B after 70 s

How much energy is made when a pice of wood burns. how do you know

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

When a septic tank backs up a goes in to clean it out