Warm up 4 5
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Warm Up 4.5. Balance the following reactions: __ Ga + __O 2  __Ga 2 O 3 ___N 2 + ___H 2  ___NH 3 __ KBr + __Zn 3 (PO 4 ) 2  __ZnBr 2 +__K 3 (PO 4 ). __ Ga + __O 2 --> __Ga 2 O 3 ___N 2 + ___H 2  ___NH 3. __ KBr + __Zn 3 (PO 4 ) 2  __ZnBr 2 +__K 3 (PO 4 ).

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Warm Up 4.5

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Warm up 4 5

Warm Up 4.5

Balance the following reactions:

__ Ga + __O2 __Ga2O3

___N2 + ___H2 ___NH3

__KBr + __Zn3(PO4)2 __ZnBr2+__K3(PO4)


Warm up 4 5

  • __ Ga + __O2 --> __Ga2O3

  • ___N2 + ___H2 ___NH3


Warm up 4 5

  • __ KBr + __Zn3(PO4)2 __ZnBr2+__K3(PO4)


4 main types of chemical rxns

4 main Types of Chemical Rxns

  • Combination/Synthesis

  • Decomposition

  • Single Replacement

  • Double Replacement

    • Combustion

    • Neutralization


1 synthesis combination

1. Synthesis/ Combination

  • 2 or more reactants produce 1 product

    • A + B  AB

    • A + BC  ABC

  • Ex: Iron rusting

    • Fe + O2  FeO2

      (rust)


2 decomposition

2. Decomposition

  • 1 Reactantproduces 2 or more products (reverse of synthesis)

  • AB  A + B or

    ABC  AB + C

  • Ex: Decomposition

  • of water

  • H2O ELECTRICITY H2 + 02


3 single replacement

3. Single Replacement

  • Single elementreplaces another in a compound

  • AY + B  BY + A

    Ex: Copper + Silver nitrate  silver + copper (II) nitrate


4 double replacement

4. Double Replacement

  • 2 Compoundsreact to form 2 new compounds

  • AX + BY  AY + BX

  • Ex: Pb(NO3)2 + KI PbI2 + KNO3


Celebrity chemical reactions

Celebrity Chemical Reactions

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