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Final Jeopardy Category is…

Each group will start with 30,000 points. If you get a question wrong, those points will be deducted from your score. The only points that will be added to your score are during the double jeopardy round. You will total up your score at the end of the game. Final Jeopardy Category is….

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Final Jeopardy Category is…

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  1. Each group will start with 30,000 points. If you get a question wrong, those points will be deducted from your score. The only points that will be added to your score are during the double jeopardy round. You will total up your score at the end of the game

  2. Final Jeopardy Category is… Chemical Reactions

  3. Final Jeopardy 1. 197 kj 2. V2O5 3. 2SO2(g) + O2(g) 2SO3(g) + 394 kJ 1. Determine the amount of energy released when 1.00 mole of sulfur trioxide is produced. 2. Write the chemical formula for vanadium(V) oxide. 3. Draw the potential energy diagram for the forward reaction represented by this equation.

  4. $400 D

  5. $800 A

  6. $1200 C Because K3PO4 3K+1 + 1PO4-3 = 4 moles of ions • Must explain why in terms of moles

  7. $1600 B

  8. $2000 90 g (+/- 2) A student uses 200 grams of water at a temperature of 60°C to prepare a saturated solution of potassium chloride, KCl. According to Reference Table G, how many grams of KCl must be used to create this saturated solution?

  9. $400 B

  10. $800 A

  11. $1200 A What are the two main products of a fermentation reaction? A) ethanol and carbon dioxide B) ethanol and water C) sugar and carbon dioxide D) sugar and water

  12. $1600 Reverse Reaction favored (shift to the left) NH3 will decrease Will the forward or reverse reaction be favored with the temperature is increased. What is happen to the concentration of NH3?

  13. $2000 a) Substitution b) saturated (alkane) The reaction: C3H8 + Cl2C3H7Cl + HCl a)is an example of________________ b) Requires which type of hydrocarbon?

  14. $400 D

  15. $800 10 g The half-life of K-42 is 12.4 hours. How much of a 320g sample is left after 62 hours

  16. $1200 27.3% A student determined the specific heat of zinc to be 0.494 J/goC. The accepted value for the specific heat of zinc is 0.388 J/goC. What is the students percent error?

  17. $1600 6300 J Base your answer on In an experiment using a calorimeter, the following data were obtained: What is the total number of Joules absorbed by the water?

  18. $2000 20% A student determining the percent by mass of water in a hydrated crystal obtained the following data. Mass of crystal before heating..................5.0 gMass of crystal after 1st heating............... 4.0 gMass of crystal after 2nd heating..............4.0 g What is the percent by mass of water in the hydrate?

  19. $400 C

  20. $800 C • Name this type of Artificial Transmutation • 21H +11H 42He + 2 11H + energy

  21. $1200 D Which Lewis electron-dot diagram represents calcium oxide? • A C B D

  22. $1600 Base your answer on Draw a correct Lewis electron-dot structure for each of the following.A) An atom of hydrogenB) An atom of nitrogenC) A molecule of ammonia (NH3)

  23. $2000 An electron absorbs energy and moves to a higher shell (energy level). As the electron returns to a lower shell (energy level), it releases energy in the form of a light, creating a bright-line spectrum. Explain, in terms of both subatomic particles and energy states, how the Bright line spectra's are produced

  24. $400 Which Statement describes the type of change and the chemical properties of the product and reactants

  25. $800 A and C

  26. $1200 D At STP, which 2.0-gram sample of matter uniformly fills a 340-milliliter closed container? • Br2(l) • Fe(NO3)2(s) • KCl(aq) • Xe(g)

  27. $1600 B A dilute, aqueous potassium nitrate solution is best classified as a Homogeneous compound Homogeneous mixture Heterogeneous compound Heterogeneous mixture

  28. $2000 A

  29. $400 C4H9 What is the empirical formula for C8H18

  30. $800 2. A and C question

  31. $1200 4 Powdered sulfur is yellow and powdered iron is gray. When powdered sulfur and powdered iron are mixed at 20oC, the powdered iron Becomes yellow Becomes a liquid Remains ionic Remains magnetic

  32. $1600 Show the numerical setup for calculating volume of the gas in cylinder B at STP (1.2atm)(1.25L) (1atm)(V) 293K 273K

  33. $2000 79.904 = (79)(.5069) + (X)(.4931) X= 80.8 amu Bromine has two naturally occurring isotopes. Bromine-79 is 50.69% abundant. Using the atomic mass reported on the periodic table, determine the mass of Bromine’s other isotope (to 1 decimal place)

  34. Daily Double you can wage up to $2000 Show the numerical setup for calculating volume of the gas in cylinder B at STP (1.2atm)(1.25L) (1atm)(V) 293K 273K

  35. Daily Double you can wage up to $2000 C Because K3PO4 3K+1 + 1PO4-3 = 4 moles of ions • Must explain why in terms of moles

  36. The Jeopardy champion!

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