Is air an element? Explain your answer Pls

Which material burns faster? metal aluminum

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

Aecosystem is if it can continue to function over long periods of time