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Published byElvin Goodwin Modified over 9 years ago
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Types of Reactions
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The Six Different Types of Reactions Synthesis Reaction Decomposition Reaction Single Replacement Reaction Double Replacement Reaction Combustion Reaction Oxidation-Reduction Reaction
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Synthesis Reaction A reaction where two or more substances react to produce one substance The reactants can be either elements or compounds A + B AB
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Synthesis Reaction 2Na + Cl 2 2NaCl AABB
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Decomposition Reaction A reaction in which a compound breaks down into two or more simpler substances The products may be elements or compounds AB A + B
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Decomposition Reaction 2H 2 O 2H 2 + O 2 AABB
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Single Replacement Reaction A reaction in which one element takes the place of another element in a compound A + BC B + AC
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Single Replacement Reaction 2K + 2H 2 O H 2 + 2KOH The Potassium (K) replaces the Hydrogen in water (H 2 O) to form Potassium Hydroxide (KOH) AABBCC
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Double Replacement Reaction A reaction in which two different compounds exchange ions and create two new compounds AB + CD AD CB
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Double Replacement Reaction CaCO 3 + 2HCl CaCl 2 + H 2 CO 3 AABBCCDD
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Combustion Reaction A reaction in which a substance reacts rapidly with oxygen This often producing heat and light Combustion reactions usually produce a compound + H 2 O
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Combustion Reaction Methane reacting with oxygen to produce Carbon Dioxide and H 2 O CH 4 + 2O 2 CO 2 + 2H 2 O
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Oxidation - Reduction Oxidation – Reduction reactions involve an atom or molecule losing or gaining an electron Usually involves a metal and oxygen
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Oxidation - Reduction The Oxidation-Reduction reaction between Iron and Oxygen is often known as Rust
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What’s Going on Today? -Chemical Reaction practice worksheet – Due at the end of the period -Vocabulary -Being graded tomorrow -Chapter 7 Review Sheet For you to keep! Tomorrow is the LAST day for test corrections!
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