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SINGLE-REPLACEMENT REACTIONS 7.8 By: Charles and Dan Period H

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Page 1: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

SINGLE-REPLACEMENT REACTIONS

7.8

By: Charles and DanPeriod H

Page 2: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

SINGLE-REPLACEMENT REACTIONS

A single replacement reaction is when atoms of one element replace the atoms of another compound.

(Please now take out your periodic tables and flip them over to the back. Look at the bottom right corner.)

Page 3: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

TABLE 7.2 ACTIVITY SERIES OF METALS

Name Symbol

LithiumPotassiumBariumStrontiumCalciumSodiumMagnesiumAluminiumManganeseZincChromium

LiKBaSrCaNaMgAlMnZnCr

Decr

easi

ng

A

ctiv

ity

*Metals from Li to Na will replace H from acids and water; from Mg to Pb will replace H from acids only

Name Symbol

HeliumNickelTinLead(Hydrogen)*AntimonyCopperMercurySilverPalladiumGold

HeNiSnPb(H)*SbCuHgAgPdAu

Page 4: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out
Page 5: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

BALANCING SINGLE-REPLACEMENT REACTIONS

To balance this, balance as you would any other reaction.

Cl2 + NaBr NaCl + Br2

Cl2 + 2NaBr 2NaCl + Br2

Page 6: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out
Page 7: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

PRACTICE QUESTIONS

1.) What is the formula -before and after the reaction- when Lithium replaces Hydrogen in Hydrochloric acid?

2Li + 2HCl 2LiCl + H2

2.) What is the name of the compound and element when Aluminum replaces Hydrogen in the compound Water?

No Reaction!

3.) Name 3 elements that Sodium CAN’T replace in a compound

Calcium, Potassium, and Lithium

Page 8: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

Website 1 Website 2 Website 3

http://en.wikipedia.org/wiki/Single_displacement_reaction
http://chemistry.about.com/od/chemistryglossary/g/Single-Displacement-Reaction-Definition.htm
http://sartep.com/chem/tutorials/tut.cfm?tutorial=Single+Replacement+Reactions&chap=6
Page 9: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

WHY DOES THIS HAPPEN?

Usually, a solid is added to a compound. An element with a high activity level will only replace elements with a lower activity level.

Page 10: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out
Page 11: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

HOMEWORK QUESTION:

If you have Mercury (Hg) and Water (H2O), what will the outcome be if a Single-Replacement Reaction occurred?

(Hint: Use the table on the back of your Periodic Table!)

Page 12: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out
Page 13: 7.8 By: Charles and Dan Period H. A single replacement reaction is when atoms of one element replace the atoms of another compound. (Please now take out

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