The vapor pressure of water at 25 degrees Celsius is 23.8 torr and the heat of vaporization of water at 25 degrees Celsius is 43.9 kJ/mol. Calculate the vapor pressure of water at 40 degrees Celsius.

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

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