1. 9/26/11 64 Balancing Equations Activity 10/15/2014 63 Balancing Equations Activity 10/15/2014 Starter: Arrange molecules into an equation: 2 Ag, 2 AgCl, 2 Cl, Application: Balancing Act Ws Turn in when complete Connection: How is balancing equations like something you have done in math? Exit: 2 H + CO 3 → H 2 O +2CO 2 Draw out this equation in your journal. Draw the atoms. Is this balanced or unbalanced? What does this have to do with the conversation of mass? Practice: Glue Balancing Act Practice here

2. 1 Starter 2. Notes 3. Activity 4. Exit

3. DateLecture/ Activity/ Lab Page Table of Contents 9/25 Test Review 39-40 9/29 Periodic Puzzles 41-42 9/30 Bohr Model Challenge 43-44 10/1 Wheres Al? 45-46 10/2 Element Wanted Poster 47-48 10/6 Molecules, Compounds, and Elements 49-50 10/07 Build a Molecule Activity 51-52 10/8 Counting Atoms 53-54 10/09 Counting Atoms with Coefficients 55-56 10/10 Chemical Formula Writing 57-58 10/13 Writing Chemical Formulas59-60 10/14 Chemical Equations and the Conservation of Mass 61-62 10/15 Balancing Act 63-64

4. Na + Cl salt

5. Atoms are not ___________ or __________ During a chemical reaction. Scientist know that there must the ________ number of atoms on each _______ of the _________. To balance the chemical equation, you must add _________________ to the different parts of the equation. You cannot _______ or __________ subscripts. createddestroyed same sidearrow coefficients add remove

6. 1 2 1 1

7. 1 2 1 1 22 2 2 2

8. 1 2 1 1

9. 1 2 1 1 22 2 2 2

10. 21 23 2 2 6 3 6

11. 2 1 1 2 1 1 2 2 2 2 4 4 4

12. 2 2 2 3 2 4 4 2 4 4

13. 9/26/11 64 Balancing Equations Activity 10/15/2014 63 Balancing Equations Activity 10/15/2014 Starter: Arrange molecules into an equation: 2 Ag, 2 AgCl, 2 Cl, Application: Balancing Act Ws Turn in when complete Connection: How is balancing equations like something you have done in math? Exit: 2 H + CO 3 → H 2 O +2CO 2 Draw out this equation in your journal. Draw the atoms. Is this balanced or unbalanced? What does this have to do with the conversation of mass? Practice: Glue Balancing Act Practice here