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Chem reactions. day 2
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Chem reactions. day 2

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  • 1. Today in Chemistry You will need: 1) Pencil/Pen, Colored Pencils, Markers or Highlighters (4 colors as needed) 2) Bill Nye: Chemical Reactions Handout + 4 types of Chemical Reactions– Picked up yesterday 2 pages 2 sides 3) Any missing work you owe me
  • 2. Reminders 1) Test #3 Retakes/Takes – Ends next Wednesday 2) Progress Notice to be passed out Next Wed – Please check grades for accuracy 3) Any missing work you owe me should be turned in by today so I can grade it over the weekend.
  • 3. Quick Writes will not be grade for points but for participation and honesty. 1. You are allowed to use your brain, any notes, labs or worksheets we have done in class. 2. You may not use your textbook except for the Periodic Table 3. You will have 10 minutes to complete as many questions as possible. 4. With a colored pencil, you will grade your own.
  • 4. Chemical Reactions CHANGE THE IDENTITY of a substance. This means that the starting substances are NOT chemically the same after interacting.
  • 5. Type of Reaction Definition  Equation Synthesis Decomposition Single Replacement Double Replacement Watch the movie and then complete the chart. A = Red B = Blue C = Green D = Yellow A + B → AB AB → A + B AB + C → AC + B AB + CD → AC + BD Two or more elements or compounds combine to make a more complex substance Compounds break down into simpler substances Occurs when one element replaces another one in a compound Occurs when different atoms in two different compounds trade places
  • 6. Identifying Chemical Reactions ____ P + O2 → P4O10 ____ Mg + O2 → MgO ____ HgO → Hg + O2 ____ Al2O3 → Al + O2 ____ Cl2 + NaBr → NaCl + Br2 ____ H2 + N2 → NH3 2. Use colored pencils to circle the common atoms or compounds in each equation to help you determine the type of reaction it illustrates. Use the code below to classify each reaction. S = Synthesis D = Decomposition SR = Single Replacement DR = Double Replacement
  • 7. Task List 1) Bill Nye: Chemical Reactions Handout – Bookshelf 1 page 2 sides – Due today at the end of the period. 2) Play Basic Chemistry Vocabulary Game – Hyperlinked on LearningPoint
  • 8. Homework 1) Anything you may still owe me – Progress Notices will be given out on Wednesday of next week. 2) Enjoy your THREE DAY WEEKEND!

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