Q: The more branching there is in isomers, the lower the boiling and melting points are.  If an isomer has more branching than another isomer, it should have a higher or lower melting point?
A: lower


Q: So more water is displaced by a bigger body than a smaller one.  A small object displaces more or less water than a larger one?
A: less


Q: It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have.  Mary melts a 1 pound chocolate bar and 1 pound of chocolate chips in two pots. Which melts first bar or chips?
A: chips


Q: Air pressure is less at higher elevations.  Marcus is climbing a mountain, and notices that it is easier to breathe than it was before. This is likely because Marcus is at a lower elevation or higher elevation?
A: lower elevation