Is shredding paper a physical or chemical change? explain why?

Summarize possible ways in which phases of matter could combine to form a solution.

Which of the following describes a situation where competition between producers exists

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.