9/26/11

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9/26/1174 A Beady Balance

10/24/201373 A beady Balance

10/24/2013

..

Starter:Is the following equation balanced or unbalanced? Explain why: C3H8 + 5O2 3CO2 + 4H2O?

Application/Connection: Beady Balance Activity

You will work with a partner and turn this end by the end of class

Exit:Use the chemical formula for glucose to answer questions 1 - 3.

C6H12O6 1. How many atoms are in the

glucose formula?

2. The number of elements in the formula is … _______

3. There (is)are ______ compound(s) in the glucose formula.

Practice: Beady Balance Example

October 24,

2013AGENDA8.5 F.

I will be able to recognize whether a chemical equation containing

coefficients is balanced or not and how that relates to the law of

conservation of mass by reading, and writing

while completing notes and activity.

1 Starter2. Practice3. Activity 4. Exit

Date Lecture/ Activity/ Lab Page9/25 Metal, Nonmetals, and Metalloids 41-429/26 Where’s Al? 43-449/27 Element Wanted Poster 45-469/30 Bohr Model Challenge 47-4810/1 Periodic Table Notes/Puzzles 49-5010/2 Periodic Table Chart 51-5210/3 Test Review 53-5410/8 Test Corrections 55-5610/9 Molecules, Compounds, and Elements 57-5810/10 Build a Molecule Activity 59-6010/15 Counting Atoms 61-6210/16 Counting Atoms with Coefficients 63-6410/17 Writing Chemical Formulas 65-66 10/18 Physical and Chemical Changes/Properties Notes 67-6810/21 Chemical Equations and the Conservation of Mass 69-7010/22 Balancing Equations 71-7210/24 Beady Balance 73-74

Table of Contents

Practice

Na + Cl2 NaCl

Look at the equation. Using the key, place the color beads on the table that matches each element.

Decide if the equation is balanced or not.

Element Color QuantityH Blue 8Cl Red 3O Yellow 8N Green 4C Orange 4

Na Pink 4Fe Purple 3

Unbalanced

Application/Connection

Al

O

Cu

H

Fe

Cl

S

+ => +

=>+

+ =>

+ =>

+ =>

+ =>

10.

11.

12.

13.

14.

15.

2 Cu + 2 HCl => 2 CuCl + H2

4 Al + 3O2 =2 Al2O3

.

9/26/1174 A Beady Balance

10/24/201373 A beady Balance

10/24/2013

..

Starter:Is the following equation balanced or unbalanced? Explain why: C3H8 + 5O2 3CO2 + 4H2O?

Application/Connection: Beady Balance Activity

You will work with a partner and turn this end by the end of class

Exit:Use the chemical formula for glucose to answer questions 1 - 3.

C6H12O6 1. How many atoms are in the

glucose formula?

2. The number of elements in the formula is … _______

3. There (is)are ______ compound(s) in the glucose formula.

Practice: Beady Balance Example