Concept Review Chapter 9.

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Presentation transcript:

Concept Review Chapter 9

potassium chloride + silver nitrate  potassium nitrate + silver chloride Look up each part: potassium chloride silver nitrate Symbol K1+ Cl1- Ag1+ NO31- - + + - + - + - ALL THE FORMULAS ARE BALANCED! KCl + AgNO3  KNO3 + AgCl IS THE EQUATION BALANCED?

Aluminum hydroxide + sodium nitrate  aluminum nitrate + sodium hydroxide. OH1- Na1+ NO31- Now all the compounds are balanced! Balance the equation. 1+ 1- 3+ 1- 1+ 3+ 1- 1- ( )3 Al OH + Na NO3  Al NO3 + NaOH 3 ( )3 3 1 Al, 3OH, 3 Na, 3 NO3 REACTANTS PRODUCTS

Iron metal + copper(II) sulfate  iron (II) sulfate + copper metal Fe (elements have no charge) Cu2+ SO42- Fe2+ Cu (elements have no charge) Fe + CuSO4  FeSO4 + Cu

Aluminum metal + copper (II) chloride  aluminum chloride + copper metal aluminum ion Al (elements have no charge) Cu2+ Cl1- Al3+ 2+ 1- 3+ 1- 2 Al + Cu Cl  Al Cl + Cu 3 2 3 2 3 Elements have no charge!

potassium bromide  potassium metal and bromine potassium ion bromide potassium metal bromine gas K1+ Br1- K (elements have no charge) Br2 2 KBr  K + Br2 2 Don’t forget about the HONClBrIF “club” H2 O2 N2 Cl2 Br2 I2 F2

Predicting Products of Chemical Reactions. 1. aluminum sulfate + calcium phosphate  Aluminum Sulfate + Calcium phosphate Aluminum phosphate + Calcium Sulfate 3( )2 2 Al3+PO43- Ca2+PO43- Al3+ SO42- + 2 ( )3 3 Ca2+SO42- + Balanced!

Sodium chlorate   Na ClO3 Na Cl O2 Sodium Na1+ chlorate ClO31- + Sodium chloride and oxygen gas are formed.