In an exothermic reaction, the average kinetic energy of the particles of matter ib the products 1. decreases
2.stays the same
3. increases

What does x represent in the formula for the compound xcl4?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

In 2002, the rare earth elements mine in mountain pass, california was closed because