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Warm Up 4.5

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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  1. Warm Up 4.5 Balance the following reactions: __ Ga + __O2 __Ga2O3 ___N2 + ___H2 ___NH3 __KBr + __Zn3(PO4)2 __ZnBr2+__K3(PO4)

  2. __ Ga + __O2 --> __Ga2O3 • ___N2 + ___H2 ___NH3

  3. __ KBr + __Zn3(PO4)2 __ZnBr2+__K3(PO4)

  4. 4 main Types of Chemical Rxns • Combination/Synthesis • Decomposition • Single Replacement • Double Replacement • Combustion • Neutralization

  5. 1. Synthesis/ Combination • 2 or more reactants produce 1 product • A + B  AB • A + BC  ABC • Ex: Iron rusting • Fe + O2  FeO2 (rust)

  6. 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

  7. 3. Single Replacement • Single elementreplaces another in a compound • AY + B  BY + A Ex: Copper + Silver nitrate  silver + copper (II) nitrate

  8. 4. Double Replacement • 2 Compoundsreact to form 2 new compounds • AX + BY  AY + BX • Ex: Pb(NO3)2 + KI PbI2 + KNO3

  9. Celebrity Chemical Reactions • Celebrity Video Clip

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