Chemistry - Chp 11 - Chemical Reactions - PowerPoint

Chapter 11 “Chemical Reactions”

Section 11.1 Describing Chemical Reactions ,[object Object],[object Object]

All chemical reactions… ,[object Object],[object Object],[object Object],[object Object],[object Object]

In a chemical reaction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Symbols in equations? – Text page 323 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Symbols used in equations ,[object Object],[object Object],[object Object]

What is a catalyst? ,[object Object],[object Object]

#3. The Skeleton Equation ,[object Object],[object Object],[object Object]

Write a skeleton equation for: ,[object Object],[object Object]

Now, read these equations: ,[object Object],[object Object],[object Object]

#4. Balanced Chemical Equations ,[object Object],[object Object],[object Object]

Rules for balancing: ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Never

Practice Balancing Examples ,[object Object],[object Object],[object Object],[object Object],[object Object],2 2 3 4 5 2 2 2 2 2

Section 11.2 Types of Chemical Reactions ,[object Object],[object Object]

Types of Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

#1 - Combination Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mg 3 N 2 (symbols, charges, cross)

Complete and balance: ,[object Object],[object Object],[object Object],[object Object],[object Object]

#1 – Combination Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],(This is what happens to make “ acid rain ”)

#2 - Decomposition Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object]

#2 - Decomposition Reactions ,[object Object],[object Object],[object Object],[object Object],H 2 + O 2 Hg + O 2

#2 - Decomposition Reactions ,[object Object],[object Object],[object Object],[object Object],heat NiO H 2 O

#3 - Single Replacement Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],(Cations switched) ( Anions switched )

#3 Single Replacement Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

#3 Single Replacement Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object]

The “Activity Series” of Metals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Higher activity Lower activity

The “Activity Series” of Halogens Fluorine Chlorine Bromine Iodine Halogens can replace other halogens in compounds, provided they are above the halogen they are trying to replace. 2NaCl (s) + F 2(g)  2NaF (s) + Cl 2(g) MgCl 2(s) + Br 2(g)  ??? No Reaction! ??? Higher Activity Lower Activity

#3 Single Replacement Reactions Practice: ,[object Object],[object Object],[object Object]

#4 - Double Replacement Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

#4 - Double Replacement Reactions ,[object Object],[object Object],[object Object],[object Object],[object Object]

How to recognize which type? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Practice Examples: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

#5 – Combustion Reactions ,[object Object],[object Object],[object Object],[object Object]

Combustion Reaction Examples: ,[object Object],[object Object],[object Object],[object Object]

SUMMARY: An equation... ,[object Object],[object Object],[object Object],[object Object]

Reactions ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Section 11.3 Reactions in Aqueous Solution ,[object Object],[object Object]

Net Ionic Equations ,[object Object],[object Object],[object Object]

Net Ionic Equations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Net Ionic Equations ,[object Object],[object Object],[object Object],[object Object]

Predicting the Precipitate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

End of Chapter 11 Let’s do some examples together of net ionic equations, starting with these reactants: BaCl 2 + AgNO 3 -> NaCl + Ba(NO 3 ) 2 ->

Chemistry - Chp 11 - Chemical Reactions - PowerPoint

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Chemistry - Chp 11 - Chemical Reactions - PowerPoint