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7.5-7.6 Types of Reactions and Combination R eactions

7.5-7.6 Types of Reactions and Combination R eactions. By: Kailyn, Kailey, and Aaditi. 7.5 Types of Reactions. Reaction- A process in which atoms of the same or different elements rearrange themselves to form a new substance. Combination Decomposition Combustion Single Replacement

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7.5-7.6 Types of Reactions and Combination R eactions

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  1. 7.5-7.6 Types of Reactions and Combination Reactions By: Kailyn, Kailey, and Aaditi

  2. 7.5 Types of Reactions Reaction- A process in which atoms of the same or different elements rearrange themselves to form a new substance. • Combination • Decomposition • Combustion • Single Replacement • Double Replacement

  3. Decomposition Combustion Single Replacement Double Replacement

  4. Which Answer Is Not A Reaction? • A)Double Replacement B)Combination • C)Conduction • D)Decomposition • E)Combustion

  5. 7.6 Combination reactions Combination Reaction- 2 or more substances react to form a single substance X + Y XY

  6. Which of the Following Problems is a Combination Reaction? 2Mg + O2 2MgO B. 2HCl + Ca(OH)2 CaCl2 + 2H2O C. (NH4)2SO4 + 2NaOH 2NH3 + 2H20 + Na2SO4 D. 2PBO2 2PbO + O2

  7. Metal vs. Nonmetal Metal-one of a class of elements that includes a large majority of the known elements; metals are characteristically lustrous, malleable, ductile, and good conductors of heat and electricity Nonmetal-one class of elements that are not lustrous and are generally poor conductors of heat and electricity; nonmetals are grouped on the right side of the periodic table EX 1: Non-metal + non-metal = >1 outcomes transition metal + non-metal = >1 outcomes

  8. How Elements React In A Combination Reaction? Group A metal + non-metal combination of the 2 elements 2K + Cl2 2KCl

  9. How Elements React In A Combination Reaction? Nonmetal oxide + water acid SO2 + H2O H2SO3(aq) Acid- a compound that produces a hydrogen ion in an aqueous solution (aq) (aq)

  10. How Elements React In A Combination Reaction? Metallic oxide + water base CaO + H2O Ca(OH)2(aq) Base- a compound that contains a hydroxide ion

  11. A Group A metal + non-metal combination reaction is also known as an ionic solid. • Definition of ionic solid- • solids composed of oppositely charged ions • A combination reaction can happen between two elements, two compounds, or one element and one compound. Facts

  12. Complete and Balance the Following Combination Reactions H2+ Br2→ ___________ Na(s) + Cl2(g) → _____________ c) Cl2O7 + H2O → _________(←Perchloric Acid) d) Na2O + H2O → _________(←Sodium Hydroxide)

  13. THE END

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