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March 27, 2014 PowerPoint Presentation
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March 27, 2014

March 27, 2014

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March 27, 2014

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  1. March 27, 2014 Types of Chemical Reactions

  2. D oC 1.5 atm MnO2 • Arrows • means “yields” or “produces” or “forms • Above the arrows put conditions necessary for the reaction • States • Small letter in parentheses showing its state solid liquid gas aqueous Pressure Heat Temperature Catalysts (s) (l) (g) (aq)

  3. Types of Chemical Reactions - Overview • Synthesis • Synthesis – something is created • Decomposition • Decompose – something decomposes, breaks apart • Single Replacement • One part is replaced with something else • Double Replacement • Two parts are replaced with something else • Combustion • Something combusts (burning!)

  4. Types of Chemical Reactions • Synthesis • A + X  AX • Example • Water and calcium oxide • H2O + CaO Ca(OH)2 • Copy and paste URL to watch this reaction on YouTube http://www.youtube.com/watch?v=Y_FaU__XhPE

  5. Types of Chemical Reactions • Synthesis • A + X  AX • Decomposition • AX  A + X

  6. Types of Chemical Reactions • Decomposition • AX  A + X • Example • Water • 2H2O  2H2 + O2 • YouTube Link: http://www.youtube.com/watch?v=EE58a5fN468

  7. Types of Chemical Reactions • Synthesis • A + X  AX • Decomposition • AX  A + X • Single Replacement • A + BX  AX + B • A+ BX  BA + X

  8. Types of Chemical Reactions • Single Replacement • A + BX  AX + B • Y + BX  BY + X • Example • Copper and silver nitrate • Cu + 2AgNO3 Cu(NO3)2 + 2Ag • YouTube Link: http://www.youtube.com/watch?v=dccDiAwztUQ

  9. Types of Chemical Reactions • Synthesis • A + X  AX • Decomposition • AX  A + X • Single Replacement • A + BX  AX + B • Y + BX  BY + X • Double Replacement • AX + BY  AY + BX

  10. Types of Chemical Reactions • Double Replacement • AX + BY  AY + BX • Example • Copper (II) chloride and sodium phosphate • 3CuCl2 + 2Na3PO4 Cu3(PO4)2 + 6NaCl • YouTube Link: http://www.youtube.com/watch?v=3thjr51qIN4 (Not the best video)

  11. Types of Chemical Reactions • Synthesis • A + X  AX • Decomposition • AX  A + X • Single Replacement • A + BX  AX + B • Y + BX  BY + X • Double Replacement • AX + BY  AY + BX • Combustion • Substance combined with oxygen, releasing energy • Combustion of carbon compounds produce CO2 and H2O

  12. Types of Chemical Reactions • Combustion • Carbon compounds CO2 +H2O • Example 1: • Isopropyl alcohol • 2 C3H7OH + 9 O2 6 CO2 + 8 H2O • YouTube link: http://www.youtube.com/watch?v=rA6l-TkGir0