2.00 L container holds 2.35 grams of argon gas at 12°C. What is the pressure inside the container in atm? Please show work :)

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

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

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?