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Know how to derive a “molecular weight” given any compound.

41. Know how to derive a “molecular weight” given any compound.
42. What does the “Law of Conservation of Mass” state?
43. What is meant by the following terms:
a. Mole
b. Avogadro’s number
44. What bonds hold water together and be able to describe how each one works? Which one is weaker?
a. Polar Covalent
b. Hydrogen
45. What does the hydrogen bond due to the specific heat of water?
46. What is meant by solubility? What things affect the solubility of a liquid with respect to both solids and gases? What is “saturation?”
47. Know what things can affect the freezing and boiling point of water.
48. What are acids, bases and salts? What are some characteristics of each? What happens when you add acids and bases together?
49. What is meant by the pH scale and what values do acids, bases and pure waterhave? What does it mean to go up or down one number in the pH scale?
50. Describe the 3 types of radioactive decay. How penetrating are each?
51. What is half-life, what can you do to change it and be able to solve a simple halflife problem (very similar to homework)
52. What is the difference between nuclear fission and nuclear fusion? Which one of these runs our ‘current’ nuclear power plants? Which one runs our Sun and other stars?
53. Describe the nuclear fusion process:
a. Elements involved
b. How does the size of a star change the time it takes to burn up the fuel?
c. How long will it take for our Sun to burn up its fuel?
d. How long has the Sun been around so far?
54. How do stars end their lives? What about our Sun?
55. How does our Sun compare to other stars as far as size, age, and temperature?
56. What are the following?
a. Red Giant
b. White Dwarf
c. Supernovae (know elements heavier than Iron are formed here)
d. Neutron Stars
e. Black Holes
57. What is a Galaxy?
a. What galaxy do we live in?
b. How many stars are in an average galaxy?
c. How many galaxies are in the universe?
58. What is the Big Bang?
a. What evidence pointed to this theory?
b. What happens after the Big Bang? How does the density of the universe determine its ultimate fate?
59. Regarding our planets and moons:
a. Know the ordering of our planets in the Solar System from closest to furthest.
b. What does “Terrestrial Planet” and “Giant gas planet” mean and which planets fall under each category?
c. Which planets have atmospheres?
d. What is Pluto’s new classification and why?
e. Which planet is the largest? Smallest?
f. Which moon in our Solar System likely has a large ocean?
60. Know the characteristics of the following parts of a year
a. Summer solstice
b. Winter solstice
c. Autumnal equinox
d. Vernal equinox
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