1. Determine the total pressure of a gas mixture that contains oxygen at a pressure of 150 mmHg, nitrogen at 350.mmHg pressure, and helium at a pressure of 200 mmHg.

by cartels in other countries, shipped by air, mail, or land. i cant really see your answer choices : /

it's c. elements are placed in rows based on how may valencies electrons have.

catya that's not even a b or c

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este