Saturday, December 17, 2011

types of reactions lab

  1. a + b= ab (synthesis) example: N2 + H2 = NH3 
  2. AB= A + B (decomposition reaction)
  3. A + BC= B+ AC (single replacement) example: Zn + AgNO3 Ag+Zn(NO3)2 /Bad prom/
  4. AB + CD ---> CB + AD (double replacement)
  5. fuel + O2 ex. C3H8+O2 ----> CO2 + H2O ex. C8H18+2 ---> CO2 + H2O (combustion)











I really wasn't here for the lab ( I blame my brother for all and any damages this may cause.)
Timmy did explain the lab to me. Unfortuantly since I was not there I cannot give first hand knowledge of the lab. What Timmy and Leigh explained to me (including you mister ludwig), was that you took different compounds or metals  and put them in solutions. Then you recorded the reactions. Which can be found at the top of this post. I had a ton of fun watching the types of reactions Mr. Ludwig described.

The bad prom effect was especially funny. I call it third wheel syndrome. Just a joke, but that is one element goes with another leaving the other alone. by itself. poor element. Single replacement.
  1. A + BC= B+ AC (single replacement) example: Zn + AgNO3 Ag+Zn(NO3)2 /Bad prom/
These two are really confusing are the really similar ones.
  1. a + b= ab (synthesis) example: N2 + H2 = NH3 
  2. AB= A + B (decomposition reaction) 
Number one is creating something new. in this case using nitrogen and hydrogen and making its nitrogen hydroxide Number two however is dissembling something. reverting it back to two sperate elements then a elemental compound.

  1. AB + CD ---> CB + AD (double replacement)
  2. fuel + O2 ex. C3H8+O2 ----> CO2 + H2O ex. C8H18+2 ---> CO2 + H2O (combustion)
Number one in this group however is probably the funniest. Say you go to prom with your friends crush and your friend goes to prom with your crush. By the end of the night you switch crushes and you leave happy. the end. Well that is my discription of it.

Number two howver, is my favorite. you need fuel. plus oxygene and then you get this.
This is what I learned.

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