9/26/11 64 Balancing Equations Activity 10/15/ 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?

1 Starter 2. Notes 3. Activity 4. Exit

DateLecture/ Activity/ Lab Page 10/8 Practice Writing Chemical Formulas /12 Writing Chemical Formulas /13 Chemical Equations and the Conservation of Mass /15 Balancing Act Table of Contents

Na + Cl salt

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

9/26/11 64 Balancing Equations Activity 10/15/ 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?