Welcome to your Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. You have two cubes of the same size, one made of aluminum and the other of lead. Both cubes are allowed to sink to the bottom of a water-filled aquarium. Which cube, if either, experiences the greater buoyant force? Both cubes experience the same buoyant force The aluminum cube I will let computer choose for me The lead cube2. According to Charles Law, if you have a balloon inside a car at noon during a hot summer day, the balloon molecules inside will increase in pressure. False True3. At constant pressure and 25°C, a sample of gas occupies 4.5 liters. At what temperature will the gas occupy 9.0 liters? 596°C 50K 596K 50°C4. Neon gas has a volume of 2,000 ml with a pressure of 1.8atm however, the pressure decreased to 1.3 atm, what is now the volume of the neon gas? 2,759mL 2, 795mL 3,759mL 3,795mL5. Assuming that the temperature remains constant. How can you increase the pressure of a gas? Add more molecules of the gas Increase the container volume Decrease the container volume None of the above6. Each of these flasks is the same size and at the same temperature. Which one contains the most molecules? Flask 1 Flask 2 Flask 3 Flask 47. A sample of Argon has a volume of 0.43 mL at 299K. At what temperature in degrees Celsius will it have a volume of 1 mL. 695°C 422°C 428°C 694°C8. The Kelvin temperature scale has the same size degree as the_____ scale and its zero is _____ degrees lower. Celsius ... 273 Celsius ... 459 Fahrenheit ... 273 Fahrenheit ... 4599. A sample of gas occupies 2.5 liters of space. How many moles of gas are there if its pressure is 1.2 atm and temperature is 25C? ___ mol (round to the nearest hundreth). 0.12 0.2 20.0 12.010. Each of these flasks contains the same number of molecules. In which container is the pressure highest? Flask 3 Flask 4 Flask 1 Flask 211. At what pressure is a 5 liter container containing 20g of oxygen gas at a temperature of 10C? ____ atm (round to the nearest tenth) 2.9 1.5 3.6 5.612. In a closed container at 1.0 atmosphere, the temperature of a sample of gas is raised from 300 K to 400 K. What will be the final pressure of the gas? 0.010 atm 0 atm 1.3 atm 100 atm13. You drove continuously from Laguna to Manila, and you observed that the pressure in your tires increased. This is because of the increased temperature outside the tire caused by friction. True False14. A container of nitrogen gas contains 40 g of nitrogen gas at a pressure of 4 atm, and has a temperature of 50C. Given this information, the volume must be _____ liters. 6.67 9.47 12.99 3.3415. A small sample of helium gas occupies 6 mL at a temperature of 250 K. At what temperature does the volume expand to 9 mL? 500K 2250K 125K 375K16. What Kelvin temperature corresponds to room temperature of 20 degrees Centigrade 253 K 273 K 20 K 293 K17. Each of these flasks contains the same number of gas molecules. In which would the pressure be lowest? Flask 1 Flask 3 Flask 2 Flask 418. Is real gases the same as an Ideal gases False True19. What is the force that binds atoms together? Electric Magnetic Nuclear Gravitational20. What is the force that binds materials together? Gravitational Strong nuclear Van de Waal Electric21. In which direction in a fluid at rest is the pressure the greatest at a given depth? The pressure is the same in all directions Horizontal Upward Downward22. Three spheres have the same mass and all float in water. Spheres A, B, and C have volumes of 2 cm3, 25 cm3, and 30 cm3, respectively. Which sphere floats the highest? B C A They all float at the same height23. Four liters of an ideal gas is heated from 200 K to 400 K in a container with a fixed volume. If the initial pressure was 1 atm, what is the final pressure? 0.25 atm 4 atm 2 atm 0.5 atm24. The choice of thermometric liquids in a thermometer should depend on the following properties except: Must have a high coefficient of expansion Must have a high specific heat capacity Must be opaque Must have a low melting point25. The atomic mass of carbon dioxide is 44 atomic mass units. What is the atomic mass of oxygen if each molecule contains one atom of carbon and two of oxygen? 10 22 12 1626 out of 25Time is Up!