A 0.92 g sample of NO₂(g) is placed in a flexible container, which is then sealed and heated with a catalyst. The pressure in the room is 1 atm. The NO₂(g) decomposes completely according to the balanced equation above. The volume of the container, when cooled to 0 °C, would be

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.

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices

What causes the appearance of lines in a emission spectrum