1. Chemistry is the study of...

2. Matter

3. Your name 1234567891012345678910 Equipment Quiz

5. Matter

6. What is it?

7. Matter What is it? - anything with mass and volume

8. Matter What is it? - anything with mass and volume - "stuff"

9. Matter What is it? - anything with mass and volume - "stuff" In what states can it be?

10. Matter What is it? - anything with mass and volume - "stuff" In what states can it be? - gas - liquid - solid

11. Matter What is it? - anything with mass and volume - "stuff" In what states can it be? - gas - liquid - solid - plasma

12. Transitions among states

13. From solid to liquid:

14. Transitions among states From solid to liquid: melting

15. Transitions among states From solid to liquid: melting This occurs at the ______ point.

16. Transitions among states From solid to liquid: melting This occurs at the melting point.

17. Transitions among states From solid to liquid: melting This occurs at the melting point. From liquid to gas:

18. Transitions among states From solid to liquid: melting This occurs at the melting point. From liquid to gas: evaporation

19. Transitions among states From solid to liquid: melting This occurs at the freezing point. From liquid to gas: evaporation This occurs at the _____ point.

20. Transitions among states From solid to liquid: melting This occurs at the freezing point. From liquid to gas: evaporation This occurs at the boiling point.

21. Transitions among states From gas to liquid:

22. Transitions among states From gas to liquid: condensation

23. Transitions among states From gas to liquid: condensation This occurs at the ___________ point.

24. Transitions among states From gas to liquid: condensation This occurs at the condensation point.

25. Transitions among states From gas to liquid: condensation This occurs at the condensation point. From liquid to solid:

26. Transitions among states From gas to liquid: condensation This occurs at the condensation point. From liquid to solid: freezing

27. Transitions among states From gas to liquid: condensation This occurs at the condensation point. From liquid to solid: freezing This occurs at the ______ point

28. Transitions among states From gas to liquid: condensation This occurs at the condensation point. From liquid to solid: freezing This occurs at the freezing point

29. Transitions among states From solid to gas:

30. Transitions among states From solid to gas: sublimation

31. Transitions among states From solid to gas: sublimation From gas to solid:

32. Transitions among states From solid to gas: sublimation From gas to solid: deposition

33. Phase changes

34. Liquid Gas Phase changes ?

35. Liquid Gas Phase changes Condensation

36. Solid Liquid Phase changes ?

37. Solid Liquid Phase changes Freezing

38. Solid Liquid Phase changes ?

39. Solid Liquid Phase changes Melting

40. Liquid Gas Phase changes ?

41. Liquid Gas Phase changes Evaporation

42. Solid Liquid Gas Phase changes Condensation Freezing Melting Evaporation

43. Solid Liquid Gas Phase changes ?

44. Solid Liquid Gas Phase changes Deposition

45. Solid Liquid Gas Phase changes ?

46. Solid Liquid Gas Phase changes Sublimation

47. Phase changes When a substance changes states (melts, freezes, condenses, sublimes, etc.), does it change identity?

48. Phase changes When a substance changes states (melts, freezes, condenses, sublimes, etc.), does it change identity? So are phase changes physical or chemical changes?

49. Law of Conservation of Mass Mass is neither created or destroyed. The mass of the reactants always equals the mass of the products

50. Mini Quiz What phase is ice? What phase is steam? What phase is the water you drink? What is chemistry? A liquid becomes solid at its ________ point. A solid becomes liquid at its ________ point. What does the law of conservation of mass (or matter) state? If I start off with 2 grams of hydrogen (H) and 16 grams of oxygen (O), and get them to bond to form water (H20), what will be the mass of the water? In chemical reactions, are atoms made, destroyed, or change identity? What are the three common states of matter? Which state(s) of matter have fixed volumes? Which state(s) take the shape of containers? Which state(s) take the volume of the container?

51. Before 9/11/2001 2015

52. Classifying Matter

65. (Analogy) Classifying Animals

66. 100% L

67. (Analogy) Classifying Animals 100% P

68. (Analogy) Classifying Animals 100% P 100% L

69. (Analogy) Classifying Animals

71. 100% P 100% L

72. (Analogy) Classifying Animals L P x LP

73. Iron (Fe) Rust (Fe2O3) Salt water (NaCl and H20) Carbon (C) Zinc (Zn) Cloride (Cl) Zinc chloride (ZnCl2) Banana split Soda What type of matter? Copper (Cu) Salt and sand Salt (NaCl) Sand (SiO2) Air (N2, O2, CO2, Ar, H20) Air with rain Granite Heat Beverage with dissolved CO2

74. Na, H, O, Cl, Al

75. Mini Quiz: List any element List any compound Are compounds substances or mixtures? List any homogeneous mixture? List any heterogeneous mixture? What type of matter involved dissolving? What type of matter is a solution? What is the study of matter? Sand in water and salt dissolved in water are different types of mixtures. Why? What type of matter is sugar, C12H22O11? What type of matter can be separated by physical means?

77. Properties

78. Physical C hemical

79. Properties Physical - description as it is - C hemical

80. Properties Physical - description as it is - quantitative - qualitative C hemical -

81. Properties Physical - description as it is - quantitative - measurements: density, freezing point - qualitative - qualities: color, texture, odor C hemical -

82. Properties Physical - description as it is - quantitative - measurements: density, freezing point - qualitative - qualities: color, texture, odor C hemical - describes how it changes chemically

83. Changes

84. Physical - C hemical -

85. Changes Physical - changes that don't change its identity - changing state (melting, freezing, etc.) - dissolving, dividing, etc. C hemical -

86. Changes Physical - changes that don't change its identity - changing state (melting, freezing, etc.) - dissolving, dividing, etc. C hemical = Chemical Reaction - changes resulting in new substances

87. Physical properties of carbon: Melting point: 3620 degrees C Boiling point: 4200 degrees C Density: 2.27 g/cm3 Color: black State at room temp: solid Brittle Non-conductive Physical properties of aluminum: Melting point: 660.4 degrees C Boiling point: 2467 degrees C Density: 2.7 g/cm3 Color: silver State at room temp: solid Malleable and ductile Conducts electricity

88. Chemical properties of carbon: Forms compounds with fluorine, chlorine, bromine or iodine Chemical properties of aluminum: Oxidizes rapidly to form compounds such as Al2O3

89. Are these chemical or physical changes? water freezing butter melting butter rotting zinc reacting with HCl to become H2Zn magnesium reacts with oxygen to form magnesium oxide magnesium bends salt dissolving dry ice subliming

90. Are these chemical or physical properties? water freezes at 0 degrees C butter is often yellow butter melts at room temperature zinc reacts with acids magnesium reacts with oxygen magnesium is malleable (can be bent) the solubility of salt in water

91. Properties before the change Physical properties of salt: Physical properties of water: Change Describe the change: Did putting salt and water together result in any new substances? Was the change chemical or physical?

92. Properties before the change Physical properties of salt: Physical properties of water: Change Describe the change: Did putting salt and water together result in any new substances? Was the change chemical or physical? NaCl (solid) + H20 NaCl (dissolved) + H2O

93. Properties before the change Physical properties of sugar: Physical properties of sulfuric acid: Change Describe the change: Did putting sugar and sulfuric acid together result in any new substances? Was the change chemical or physical?

94. Properties before the change Physical properties of sugar: Physical properties of sulfuric acid: Change Describe the change: Did putting sugar and sulfuric acid together result in any new substances? Was the change chemical or physical? C + H2O + various gases C12H22O11 + H2SO4

95. So.... Salt dissolving in water is a _______ change. Sugar reacting with sulfuric acid is a _______ change.

96. So.... Salt dissolving in water is a physical change. Sugar reacting with sulfuric acid is a _______ change.

97. So.... Salt dissolving in water is a physical change. Sugar reacting with sulfuric acid is a chemical change.

98. So.... Salt dissolving in water is a physical change. Sugar reacting with sulfuric acid is a chemical change. How do PHYSICAL and CHEMICAL changes differ?

99. What's a physical property of sugar? What's a chemical property of sugar? How do chemical and physical properties differ? So...

100. Mini Quiz What must a chemical change always produce? Is melting a chemical or physical change? Why? Is melting point a chemical or physical property?Why? Is color a physical or chemical property?Why? Is density a physical or chemical property?Why? Is producing a black hunk of carbon in the presence of sulfuric acid a physical or chemical property. Why? Is an apple being digested a physical or chemical change?Why? Is rotting a physical or chemical change? Why? If you end up with different substances than you started with, is the change physical or chemical?

102. Law of Conservation of Matter (or Mass)

103. Matter is neither created or destroyed

104. Law of Conservation of Matter (or Mass) Matter is neither created or destroyed (but can change from one form to another)

105. Amended schedule: Today, demo then finish reading guides and review sheet. Thursday: Quiz on classifying matter. In-class review Friday: Matter TEST. Finish lab.