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# Gas lawsjeopardy

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# Gas lawsjeopardy

This is a Jeopardy! game about the gas laws that was created for a high-school chemistry class.

This is a Jeopardy! game about the gas laws that was created for a high-school chemistry class.

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### Gas lawsjeopardy

1. 1. Wild The The The The Card Math Definitions Visuals Formulas 2 points 2 points 2 points 2 points 2 points 3 points 3 points 3 points 3 points 3 points 4 points 4 points 4 points 4 points 4 points 5 points 5 points 5 points 5 points 5 points 6 points 6 points 6 points 6 points 6 points 7 points 7 points 7 points 7 points 7 points Final Round : Double Jeopardy Question Team 1 : Team 2 :
2. 2. Wild Card: 2 Points The Question Is : Why does a gas in a closed container exert pressure? Stop! The Answer Is : Time’scontainer walls. Its moving molecules hit the Up!
3. 3. Wild Card: 3 Points The Question Is : What is absolute-zero temperature? Stop! The Answer Is : Time’s Up! which, Absolute-zero is the temperature at theoretically, average molecular kinetic energy is zero.
4. 4. Wild Card: 4 Points The Question Is : Convert 27 degrees Celsius into a Kelvin temperature. Stop! The Answer Is : Time’s Up! 300 K
5. 5. Wild Card: 5 Points The Question Is : What is the relationship between the area a force is applied to and the resulting pressure? Stop! The Answer Is :Time’s Up! The same force applied to a smaller area results in a greater pressure.
6. 6. Wild Card: 6 Points The Question Is : A sample of helium gas has a volume of 200.0 mL at 0.960 atm. What pressure, in atm, is needed to reduce Stop! the volume at constant temperature to 50.0 mL? The Answer IsTime’s Up! : 3.84 atm
7. 7. Wild Card: 7 Points The Question Is : The volume of a gas is 27.5 mL at 22 degrees Celsius and 0.974 atm. What will the volume be at 15.0 degrees Celsius and 0.993 atm? Stop! The Answer Is : 26.3 mL Time’s Up!
8. 8. The Math: 2 Points The Question Is : Some hydrogen gas is collected over water at 20.0 degrees Celsius. The levels of water inside and outside the gas-collection Stop! bottle are the same. The partial pressure of hydrogen is 742.5 torr. What is the barometric pressure at the time the gas is collected? Time’s Up! The Answer Is : 760.0 torr
9. 9. The Math: 3 Points The Question Is : A gas at 65 degrees Celsius occupies 4.22 L. At what Celsius temperature will the volume be 3.87 Stop! L, assuming the same pressure? The Answer Is Time’s Up! : 262 K, or -11 C
10. 10. The Math: 4 Points The Question Is : A helium-filled balloon has a volume of 2.75 L at 20 degrees Celsius. The volume of the balloon decreases to 2.46 L after Stop! it is placed outside on a cold day. What is the outside temperature in K? in C? Time’s Up! The Answer Is : 262 K, or -11 C
11. 11. The Math: 5 Points The Question Is : A Balloon filled with helium gas has a volume of 500 mL at a pressure of 1 atm. The balloon is released and reaches an Stop! altitude of 6.5 km, where the pressure is 0.5 atm. Assuming that the temperature has remained the same, what volume does the gas occupy at this height? Time’s Up! The Answer Is : 1000 ml of He
12. 12. The Math: 6 Points The Question Is : The volume of gas is 27.5 mL at 22.0 degrees Celsius and 0.974 atm. What will the volume be at 15.0 degrees Stop! Celsius and 0.993 atm? Time’s Up! The Answer Is : 26.3 mL
13. 13. The Math: 7 Points The Question Is : A 700 mL gas sample at STP is compressed to a volume of 200 ML, and the temperature is increased to 30.0 degrees Stop! Celsius. What is the new pressure of the gas in Pa? Time’s Up! The Answer Is : 3.94 x 105 Pa, or 394 kPa
14. 14. The Definitions: 2 Points The Question Is : What is atmospheric pressure? Stop! The Answer IsTime’s Up! : The sum of the individual pressures of all the gases in the atmosphere.
15. 15. The Definitions: 3 Points The Question Is : What is partial pressure? Stop! The Answer IsTime’s Up! : The pressure of each gas in a mixture.
16. 16. The Definitions: 4 Points The Question Is : What are the gas laws? Stop! The Answer Time’s Up! Is : Simple mathematical relationships between the volume, temperature, pressure, and amount of gas.
17. 17. The Definitions: 5 Points The Question Is : What is the combined gas law? Stop! The Answer Is : Time’s between pressure, It expresses the relationship Up! volume, and temperature of a fixed amount of gas.
18. 18. The Definitions: 6 Points The Question Is : What is Dalton’s Law of Partial Pressures? Stop! The Answer Time’s Up! Is : It states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases.
19. 19. The Definitions: 7 Points The Question Is : What is Gay-Lussac’s Law? Stop! The Answer Is : Time’saUp! of gas at It states that the pressure of fixed mass constant volume varies directly with the Kelvin temperature.
20. 20. The Visuals: 2 Points The Question Is : What is the gas law in the animation Stop! shown to the right? Lower temperature, Lower pressure The Answer Is :Time’s Up! Gay-Lussac’s Law Higher temperature, Higher pressure
21. 21. The Visuals: 3 Points The Question Is : What is the gas law in the animation Stop! shown to the right? Higher Volume, Lower pressure The Answer Is Time’s Up! : Boyle’s Law Lower Volume, Higher pressure
22. 22. The Visuals: 4 Points The Question Is : What is the gas law in the animation Stop! shown to the right? Lower Temperature, Lower Volume The Answer Is Time’s Up! : Charles’ Law Higher Temperature, Higher Volume
23. 23. The Visuals: 5 Points One gas with a pressure of 0.12 The Question Is : atm What is the gas law in the animation shown to the right? Stop! Another gas with a pressure of 0.12 The Answer Is Time’s Up! : atm Gay-Lussac’s Law Both gases at 0.24 a pressure of 0.24 atm
24. 24. The Visuals: 6 Points Pressure (atm) The Question Is : 1400 What is the gas law 1200 in the graph 1000 Stop! shown to the right? 800 600 Volume The Answer Is : Time’s Up! 400 200 Boyle’s Law 0 0 2 4 6 8
25. 25. The Visuals: 7 Points A gas before The Question Is : the process is What process is done shown in the animation to the right? Stop! The Answer Is Time’s Up! : The gas after the Water Displacement process has been combined with water vapor
26. 26. The Formulas: 2 Points The Question Is : What is the formula for Dalton’s Law of Partial Pressure (not the one for a gas collected by water displacement)? Stop! The Answer Is Time’s Up! : PT = P 1 + P 2 + P 3 + P 4 …
27. 27. The Formulas: 3 Points The Question Is : What is the formula for gases collected by water displacement? Stop! The Answer IsTime’s Up! : Patm = Pgas + PH2O
28. 28. The Formulas: 4 Points The Question Is : What is the formula for Boyle’s Law? Stop! Time’s Up! The Answer Is : P1 V 1 = P 2 V 2
29. 29. The Formulas: 5 Points The Question Is : What is the formula for Gay-Lussac’s Law? Stop! Time’s Up! The Answer Is : P1 = P2 T1 T2
30. 30. The Formulas: 6 Points The Question Is : What is the formula for Charles’ Law? Stop! The Answer Is : V1 V2 Time’s Up! = T1 T2
31. 31. The Formulas: 7 Points The Question Is : What is the formula for the Combined Gas Law? Stop! Time’s Up! The Answer Is : P1V1 = P2V2 T1 T2
32. 32. The Question Is : What is the Celsius equivalent to absolute zero? What is the significance of this temperature and what is the Stop! relationship between Kelvin temperature and the average kinetic energy of gas molecules? Time’s Up! The Question Is : -273.15; It is the lowest temperature possible; The average kinetic energy of gas molecules is directly proportional to the Kelvin temperature.