Critique this statement: Electrons can exist in any position
outside of the nucleus.

100mg magnesium reacts with 20ml of 1.0m hcl

At stp, what is the volume of 1 mole of co2?

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)