1. Chapter 3: Matter—Properties and Changes Section 3.1 Properties of Matter

11. 3 states of matter

15. Section 3.2 Changes in Matter

19. becomes becomes The substance has changed.

20. Evidence of Chemical Change 1. Color change 2. Energy change: absorbed or released

21. 3. Odor changes or production 4. Gas production 5. Precipitate formation

25. When you burn a big pile of wood, why do you only end up with a tiny pile of ashes?

26. In an experiment, 10.00 g of red mercury (II) oxide powder is placed in an open flask and heated until it is converted to liquid mercury and oxygen gas. The liquid mercury has a mass of 9.26 g. What is the mass of oxygen formed in the reaction?

27. Practice problems—pg. 65 #6, 7, 9 To collect ---- pg 83 #63,64,65

28. Section 3.3 Mixtures of Matter

38. Section 3.4 Elements and compounds

40. Dmitri Mendeleev--1869 -Organized the known elements into a table of rows and columns based on their similarities and masses.

43. Dirt, blood, milk Lemonade, gasoline, steel Oxygen, gold, iron Salt, baking soda, sugar Matter Mixtures Pure substances Heterogeneous Mixtures Homogeneous Mixtures Elements Compounds

50. Analysis of sugar: 20.0 g sugar 500.0 g sugar Carbon 8.44 g 42.2% Hydrogen 1.30 g 6.5% Oxygen 10.26 g 51.30% Carbon 211.0 g 42.2% Hydrogen 32.5 g 6.5% Oxygen 256.5 g 51.30%

53. Practice problems—pg. 76 #21-24 To Collect Pg 77 #s25-30

55. Carbon monoxide/carbon dioxide O= C= O= C= 1 1 2 1 CO CO 2

56. Copper (I) chloride Copper (II) chloride