'Copper ii chloride react' presentation slideshows

Intro to Reactions

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Balancing Chemical Equations

UNIT 7-CHEMICAL REACTIONS:. Balancing Chemical Equations. Law of Conservation of Mass:. In a chemical reaction mass is neither created nor destroyed. total mass stays the same. atoms can only rearrange. 36 g. 4 g. 32 g. Examples. NaCl ? Na + Cl 2 40 g 15g + _____.

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Balancing Equations

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Balancing Equations

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II. Balancing Equations (p. 250-254)

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Balancing Equations

Chemical Reactions. Balancing Equations. A. Balancing Steps. 1. Write the unbalanced equation. 2. Count atoms on each side. 3. Add coefficients to make #s equal. Coefficient ? subscript = # of atoms 4. Reduce coefficients to lowest possible ratio, if necessary.

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