double+displacement+christie+2008

=__Double-Displacement__=

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__**What happens in a Double-Displacement Reaction?**__

In a double-displacement, the positive ion of one compound replaces the positive ion of the other compund to produce two new compounds.


 * __Representation of a Double-Displacement Reaction:__**

AB + CD → CB + AD

On the left side of the equation, the reactants are represented by AB and CD, two compounds. On the right side of the equation, CB and AD represent the new compounds produced from the positive ions of one compound replacing another.


 * __Sentence of an Example Double-Displacement Equation:__**

Silver Nitrate + Sodium Chloride → Sodium Nitrate + Silver Chloride


 * __Converting the Sentence into a Formula:__**

To convert this into an equation, one must first figure out the atomic symbol of each element. In this case we have.. Silver- Ag Nitrate- NO3 Sodium- Na Chlorine- Cl

Then replace the words with the symbols and finish by balancing the formula.. AgNO3 + NaCl → NaNO3 + AgCl

__**Result of the Chemical Reaction:**__



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