What is the pressure (in atm) exerted by 5.00 moles of nitrogen gas contained in a 82.1 Liter container at 400 K? Only type in the number for your answer. (Hint: R = 0.0821)

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter