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Energy Chapter 10

Energy Chapter 10. JEOPARDY. Calorimetry. Vocab. Energy. Specific Heat Capacity. Hess’s Law. 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. Calorimetry 100.

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Energy Chapter 10

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  1. EnergyChapter 10 JEOPARDY

  2. Calorimetry Vocab Energy Specific Heat Capacity Hess’s Law 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

  3. Calorimetry100 An insulated device used to determine the heat associated with a chemical reaction A: What is a Calorimeter? S2C06 Jeopardy Review

  4. Calorimetry 200 The process described here Reactants + energy  Products A: What is an endothermic process? S2C06 Jeopardy Review

  5. Calorimetry 300 The quantity of energy required to heat one gram of water by one Celsius degree A: What is a Joule (or 4.184 J) ? S2C06 Jeopardy Review

  6. Calorimetry 400 The joule equivalent to 60.1 calories A: What are 251 J ? S2C06 Jeopardy Review

  7. Calorimetry500 The thermal equilibrium temperature if 125 g of water at 68oC is mixed with 138 g of gasoline at 17oC ? cwater = 4.18J/gC; cgas = 2.22J/gC A: What is 49oC ? (4.18)(125)(68-x) = (2.22)(138)(x-17) x = 49ºC S2C06 Jeopardy Review

  8. Vocabulary100 A law stating that the energy of the universe is constant A: What is the First Law of Thermodynamics? S2C06 Jeopardy Review

  9. Vocabulary200 Energy transferred between two objects due to a temperature difference between them A: What is heat? S2C06 Jeopardy Review

  10. Vocabulary300 Energy due to position or composition A: What is potential energy? S2C06 Jeopardy Review

  11. Vocabulary400 A system that does not allow passage of mass or energy A: What is an isolated system? S2C06 Jeopardy Review

  12. Vocabulary500 What is the law that states the total energy of a system is the sum of all the smaller reactions A: What is a Hess’s Law? S2C06 Jeopardy Review

  13. Energy100 A thick, dark liquid composed mostly of hydro-carbon compounds A: What is crude oil? S2C06 Jeopardy Review

  14. Energy200 A warming effect exerted by certain molecules in the earth’s atmosphere (particularly carbon dioxide and water) A: What is the Greenhouse Effect? S2C06 Jeopardy Review

  15. Energy300 Formed from the remains of plants that were buried and subjected to high pressure and heat over long periods of time A: What is coal? S2C06 Jeopardy Review

  16. Energy400 Calories of energy that correspond to 56.2 joules A: What is 13.4 calories? S2C06 Jeopardy Review

  17. Energy500 A form of renewable energy that has been used for several millennia and is currently being harvested across farmlands but kills a lot of birds A: What is wind energy ? S2C06 Jeopardy Review

  18. Specific Heat Capacity100 The amount of heat required to raise the temperature of one gram of substance by one degree Celsius. A: What is specific heat capacity? S2C06 Jeopardy Review

  19. Specific Heat Capacity200 The amount of heat energy (in joules) needed to raise the temperature of 7.40 g of water from 29.0°C to 46.0°C A: What is 526 J? S2C06 Jeopardy Review

  20. Specific Heat Capacity 300 The units for specific heat capacity? A: What are J/goC ? S2C06 Jeopardy Review

  21. Specific Heat Capacity400 The joules of energy required to heat 454g of water from 5.40°C to 98.6°C ? A: What are 1.77 X 105 J ? 4.18 J x 454 g x 93.2°C = 1.77 X 105 J g °C S2C06 Jeopardy Review

  22. Specific Heat Capacity500 The amount of energy as heat that is required to raise the temperature of 1.00 L of water from 25.0 C to boiling A: What are 314,000 J (or 314 kJ) ? 4.18 J x 1000 g x 75.0°C = 313,500 J g °C S2C06 Jeopardy Review

  23. Hess’s Law100 The change in heat that flows during a reaction at constant pressure A: What is enthalpy (ΔH)? S2C06 Jeopardy Review

  24. Hess’s Law200 A: What is +68 kJ ? S2C06 Jeopardy Review

  25. Hess’s Law300 A: What is - 2486 ? S2C06 Jeopardy Review

  26. Hess’s Law400 A: What is – 792 kJ ? S2C06 Jeopardy Review

  27. Hess’s Law 500 A: What is - 890.36 ? S2C06 Jeopardy Review

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