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Types of Reactions & Combination Reactions (7.5-7.6)

Types of Reactions & Combination Reactions (7.5-7.6). By Jessie Graham and Danielle DiCicco. Types of Reactions (7.5). Combination  Decomposition Single replacement Double replacement Combustion. Fun Site!. If you want to see a fun interactive site about reactions go to:

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Types of Reactions & Combination Reactions (7.5-7.6)

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  1. Types of Reactions & Combination Reactions (7.5-7.6) By Jessie Graham and Danielle DiCicco

  2. Types of Reactions (7.5) • Combination • Decomposition • Single replacement • Double replacement • Combustion

  3. Fun Site! • If you want to see a fun interactive site about reactions go to: • http://www.chem4kids.com/files/react_intro.html • ??Did you know that…When you bake a cake, you add baking soda in the mix which reacts with acidic substances in the cake and result in a double replacement reaction!?? • NaHCO3 + HX NaX+ H2CO3

  4. Combination Reactions • Combination reaction- two or more substances that react to form a single substance.

  5. Combination Reactions • Two nonmetals = more than one answer (You need the name of the answer to know what you’re combining to make) • REMEMBER!! Atoms cannot disappear or reappear, they are always just rearranged • 2S(s) + 3O2 (g) 2SO3 (g) sulfur trioxide(2 nm) • 2K(s) +3S(s) K2S3(s) iron (III) sulfide (tm)

  6. Interactive Write a balanced chemical equation for the following combination reaction: A.) N2O5+ H2O Nitric acid N2O5+H2O 2HNO3

  7. Combination Reactions • When a metal and a nonmetal react= compound of the metal and nonmetal • 2K(s) +Cl2(g) 2KCl(s) + • SO2(g) +H2O(l) H2SO3 (aq) • CaO(s) + H2O(l) Ca(OH)2 (aq) K K K K

  8. Interactive ??How do you predict the correct formula for the correct combination reaction between a non metal and Group A metal?? **Use ionic charges to write an electrically neutral formula**

  9. Fact! Another name for a combination reaction is called… A.) amalgamation B.) synthesis C.) mishmash

  10. Homework • Complete the following problems • 1.) CaO+ H2O = • 2.) Na2O + H2O = • 3.) 4Li + O2 =

  11. THE END!!! Thanks for watching!!

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