A particular sample of air is composed of 77 moles of nitrogen, 20 moles of oxygen, 1 mole of argon, and 200g of carbon dioxide. What is the mole fraction of CO2?

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

Identify two types of chemical bonding in the source of dietary potassium

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.