1. 9/26/11 64 Balancing Equations Activity 10/15/2015 63 Balancing Equations Activity 10/15/2015 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 Notes/ Practice here EQ: How do chemical reactions obey the law of conservation of mass?

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

3. DateLecture/ Activity/ Lab Page 10/8 Practice Writing Chemical Formulas 57-58 10/12 Writing Chemical Formulas59-60 10/13 Chemical Equations and the Conservation of Mass 61-62 10/15 Balancing Act 63-64 Table of Contents

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 10/15/2015 63 Balancing Equations Activity 10/15/2015 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 Notes/ Practice here EQ: How do chemical reactions obey the law of conservation of mass?