R-R-Reaction Time!. By: Chase “Cutie” Billet. Chemical Reactions. A chemical reaction happens when a chemical change takes place. Chemical reactions happen so atoms can get a full set of valence electrons and become more stable. Chemical Equations.
By: Chase “Cutie” Billet
A chemical equation represents a chemical reaction where the reactants and products are expressed as formulas.
Reactants: The substances that undergo a change in a chemical reaction.
Products: The new substances that are a result of a Chemical Reactions.
Chemical equations are used to make reading, writing, and understanding chemical equations easier.
The arrow, , used in chemical equations stand for “yields” or “form”.
Equation: A+B AB
Analogy: Chocolate chips + Cookie dough Chocolate chip cookie dough
Example: Mg + O MgO
Equation: AB A + B
Analogy: Couple Boy + Girl
Example: H2O H2 + O
Equation: A+BC B+AC
Analogy: Peanut butter + Jelly Peanut butter + Marshmallow
Example: Cu + 2AgNO3 2Ag + Cu(NO3)2
Equation: AB+CD AD+CB
Example: H2O + MgClMgO + H2Cl
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