'Metals replace' presentation slideshows

Chemical Reactions

Chemical Reactions. Chapter 7. Chemical Equations. A way to describe what happens in a chemical reaction. Tells us what substances are involved with the reaction Tells us how much of each substance is needed in a chemical reaction. REACTANTS The substances that go into a chemical equation.

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Types of Chemical Reactions

491 views • 26 slides

Types of Reactions

The tabloid version of Chapter 8, Section 3. Types of Reactions. Also referred to as combination or composititon. Synthesis Reaction. A + X ? AX Examples: 4 Al + 3 O 2 ? 2 Al 2 O 3 Fe + Cl 2 ? FeCl 2 2Cr + 3O 2 ? 2 CrO 3. AX ? A + X The reactant breaks down into its parts.

145 views • 7 slides

Classifying

Classifying. Chemical Reactions. Classifying Chemical Reactions. Reactions are either classified by: how much energy is given off or absorbed how the atoms are rearranged. Chemical Reactions and Energy. Exothermic Reactions produce energy (heat, light, sound). e.g.

246 views • 6 slides