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Changes in Matter By: Larry Zhi, Tiya Jain, Rebekah Jensen, Phillip Loo

- - - - ability to combine chemically with others
      - Example
        
        Oxygen
        
        Makes rust
    - - can burn in presence of oxygen
      - Examples
        
        Gasoline
        
        Paper
  - - - Created during reaction
      - Examples
        
        Baking Soda + Vinegar
        
        Cake rises - bubbles expand
    - - solid that forms
        
        separates from liquid
      - Example
        
        Milk + Vinegar
    - - Darkens
        
        Silver over time
      - Changes
        
        copper over time
- - - - Evaporation
      - Condensation
    - - Irreversable
        
        Cutting
        
        Breaking
      - Reversable
        
        Braiding
        
        Folding
- - - - C₃H₈ + 50₂ = 3C0₂+4H₂O + 2220kJ
- - - - absorbs energy
        
        products
        
        less heat
        
        reactants
        
        more heat
        
        gains energy from its surroundings
      - breaks bonds
  - - - 2H_gO + 181.7 kJ -> 2H_g + O_2
    - - 6CO₂ + 6H₂O -> C₆H₁₂O₆ + 6O₂
      - receives light as its input of energy