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.

Explanation for basic character?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume