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Kimberly notes

Page history last edited by kiwa 11 years, 3 months ago



Class & Book Notes

Unit: 3

Topic: ___________________________

Book Section(s): 6.1-6.3 /7.0-7.2 /7.4-7.6 / 17.0-17.2

Date: ___________________________


Instructions: Assigned Note-taker types in notes from lecture or reading.  Other students make additions & corrections. 




Evidence of a chemical reaction






Chemicla Equations










Balancing chemical Equations
















Predicting Whether a Reaction will occur












Precipitation Reaction


Ionic compound when dissoled in water


Strong Electrolyle



 Using Solubility Rules




soluble solid

Insoluble solid/sightly soluble










Reactions that form water acids and bases







Strong Acid





Strong Base



Hydrochloric Acid & aq sodium hydroxide













Reactions of metals with nonmetals



Oxidation -Reduction Reaction



Characteristics of Oxidation-Reduction



7.6                         Precipitation Reaction







Acid Base Reactions




Oxidation- Reduction Reaction


































  • Color change
  • Solid forms
  • Bubbles are produced
  • A flame occurs
  • Change in temp 



  • Reactant  > Product
  • Write chemical equation to represent chemical reaction
  • Changes way atoms are grouped
  • Atoms are neither created or destroyed
  • Physical states

          -Solid (s)

          -Liquid  (l)

         -Gas  (g)

         - Dissolved in water (aq)



  • Atoms are conserved in a chemical reactions
  • Identities of the compound never can be changed
  • Subscripts stay the same instead we must add more molecules, we identify these by coefficients
  • Coefficient 1 is never written 



You can tell if a chemical reaction occured by, color change, change of form, flame, and temp change. Make sure you always balance equations by adding coefficients because atoms are never created or destroyed.



  • The most important reactions are ones that occur in water  (they keep us alive)

         Ex. oxygen you breathe dissolves in your blood.



  • Driving forces to make reactants go in the direction of the arrow 

        1 Formation of a solid

        2 Formation of water

        3 Transfer of electrons

        4 Formatiom of gas

  • When 2 or more chemicals are brought toget her and any of those things happend a chemical change will occur. 



  • process of formation of a solid 


  • The soild that forms 


  • What the reaction is known as


  • If a solid does not conduct electricty but when it dissilves in water does a chemical reaction has occured



  • When each unit of a cubstance that dissolves in water produces separated ions.
  • when ionic compounds dissolve reamaining solution contains separated ions


  1. Knowledge of facts
  2. Knowledge of concepts



  • means a solid that readily dissolves in water
  • Tiny amount dissolves in water naked to eye




Aq solutions are important to us




  • Acids-sour 
  • Base-bitter/slippery


  • Produce H+ ions when dissolved in water    

  • When 100 molecules of HCl dissolve in water 100 h+ and 100 Cl- ions are produced
  • Hardly and HCl molecules exist in aq


  • Substance are strong electrolytes that produce H+ ions


  • Substance that produce hydroxide ions (OH-) in water



  • Compounds are strong electrolytes that contiam OH- ions
  • When strong base + Acids are mixed water is the product


  1. The net ionic equation is the same in both cases; water is formed
  2. Besides water the second product is an ionic compound which might precipitate or reamain dissolved


  • What the ionic compound is known as



Acids and Bases are very different but when mixed together more often that not water is formed because of the H+ and OH- combinnation leaving behind salt.



  • The reaction of metal and nometal to form an ionic comound involves the transfer of one or more electrons from the metal to nonmetal.





  • A reaction that involves a transfer of electrons
  • Metals react with nometal to form an ionic compuond


  1. Metal - nonmetal reaction and ionic compound is formed
  2. Two nonmetals if they have 02 as a reactant or product. But the compound will not be ionic



  • formation of a solid when two solutions are mixed are called preipitation



  •  Two anions are simply exchanged. In the products these associationes are reversed. Ex. AB+CD > AD+CB



  • Involves H+ ion and end up in the product of water




  • The process of electron transfer








Metals and nonmetals form ionic compounds. precipitaion reaction + Double replacement reaction are the same thing where two elements of a compound switch.







Comments (2)

kiwa said

at 11:46 am on Mar 29, 2009

The spacing is kinda weird the 1st one goes by 2 and the second by one

Bill Briggs said

at 12:02 pm on Apr 9, 2009

Nice color coding! 7 pts.

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