Which substance has the highest boiling point? Select the correct answer below:

A) ethyl ether
B) ethyl alcohol
C) water
D) these all have the same boiling point

Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

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