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Chemical Reactions

Chemical Reactions. Chapter 2 Hollenbaugh Please excuse any typos : ). Vocabulary. Reactions. Reaction Rates. Fire & Safety. Lab Results. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500.

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Chemical Reactions

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  1. Chemical Reactions Chapter 2 Hollenbaugh Please excuse any typos : )

  2. Vocabulary Reactions Reaction Rates Fire & Safety Lab Results 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Final Jeopardy

  3. C1-100 A substance that enters a chemical reaction A

  4. 100-answer What is a reactant?

  5. C1-200 Energy needed to start a reaction (light the sparkler!) A

  6. 200-answer What is activation energy?

  7. C1-300 A change where the chemical composition of the substance is not (melting ice) A

  8. 300-answer What is a physical change?

  9. C1-400 A solid substance formed after a reaction. A “sign” A

  10. 400-answer What is a precipitate?

  11. C1-500 A system where mass can enter or exit the reaction. A fireplace A

  12. 500-answer What is an open system?

  13. C2-100 A way to show a chemical reaction using formulas A

  14. 100-answer What is a chemical equation ?

  15. C2-200 When an equation follows the law of the conservation of mass its described like this. A

  16. 200-answer What is balanced?

  17. C2-300 These are the numbers we use to balance the equations. A

  18. 300-answer What are coefficients?

  19. C2-400 Two or more reactants make a complex product in this reaction. A

  20. 400-answer What is a synthesis reaction?

  21. C2-500 The reactants have more energy than the products in this reaction. A

  22. 500-answer What is an exothermic reaction?

  23. C3-100 Concentration, Surface Area, Inhibitor, Catalyst and this factor change reaction rates A

  24. 100-answer What is a temperature?

  25. C3-200 By crushing the alka-seltzer tablet, you change this factor. A

  26. 200-answer What is surface area?

  27. C3-300 Using more of a reactant, like blowing on a fire or opening the fireplace, changes this factor of reaction rates A

  28. 300-answer What is concentration?

  29. C3-400 Like a preservative, this substance will slow down a reaction like rotting A

  30. 400-answer What is an inhibitor?

  31. C3-500 A biological catalyst that speeds up a process like digestion A

  32. 500-answer What is an enzyme?

  33. C4-100 Wood, paper, propane, oil, gasoline A

  34. 100-answer What are examples of fuel?

  35. C4-200 The components of the fire triangle A

  36. 200-answer What are fuel, heat, and oxygen?

  37. C4-300 The rapid reaction between oxygen and a fuel A

  38. 300-answer What is combustion?

  39. C4-400 The products of a combustion reaction A

  40. 400-answer What are water and carbon dioxide?

  41. C4-500 The town “on fire” since 1962 because of the abandon coal mines. A

  42. 500-answer What is Centralia, Pennsylvania?

  43. C5-100 A gas produced, a precipitate, Change in properties, a change in color, and this are “signs” of a chemical change A

  44. 100-answer What is a change in energy?

  45. C5-200 The mass of the alka-seltzer and water were the same before and after the reaction demonstrates this. A

  46. 200-answer What is the conservation mass?

  47. C5-300 You may not change subscripts it changes the substance and will have different chemical properties according to this. A

  48. 300-answer What is the law of definite composition?

  49. C5-400 Magnesium dioxide sped up the reaction of H2O2 so it would be this A

  50. 400-answer What is a catalyst?

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