10/3 biology update and homework due 10/10

Hi folks,

Today we did a bit more work with the basic chemistry needed for biology and then we moved on to one of the most amazing substances in the universe, water. We'll do a bit more on this next week as well.

Homework for this week is to:
Read pgs. 35 - 42 (Up to "Solutions")

Do 5-14 and 22 on page 46

Answer the following questions:

1. Name 2 elements that would probably form an ionic bond. (Hint: Metal and non-metal)

2. Name 2 elements that would probably form a covalent bond. (Hint: two non-metals)

3. What is the difference between heat and temperature?

4. Which has more energy, a hot cup of coffee or a cold cup of water?

5. What is heat capacity and what does it have to do with the aluminum foil on top of a lasagna?