Urgent!! Please help! A flask holds a mixture of equal moles of oxygen, nitrogen, and argon gases. The total mass of the gas mixture is 149 g. What is the density of this gas mixture at 725 K and 6.13 atm?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

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.