Welcome to your Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. Each of these flasks contains the same number of gas molecules. In which would the pressure be lowest? Flask 1Flask 2Flask 3Flask 42. What Kelvin temperature corresponds to room temperature of 20 degrees Centigrade 20 K253 K273 K293 K3. 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? AThey all float at the same heightBC4. As the volume of confined gas decreases at the constant temperature, the pressure exerted by the gas ______. Stay the sameFluctuateDecreasesIncreases5. If 1 liter of oxygen combines completely with 2 liters of hydrogen to form water, how many liters of oxygen are required to combine completely with 8 liters of hydrogen62846. A Good example of Charles' law is when a piece of metal expands in the heat. FalseTrue7. The choice of thermometric liquids in a thermometer should depend on the following properties except: Must have a high specific heat capacityMust be opaqueMust have a low melting pointMust have a high coefficient of expansion8. In a nitrogen gas has occupied a volume of 500ml at a pressure of 0.971atm. What volume will the gas fill at a pressure of 1.50 atm, assuming the temperature remains constant? 342mL424mL442mL324mL9. Organize the following gasses in order of their rates of diffusion, from slowest to fastest oxygen, O2 ammonia, NH3 hydrogen, H2 carbon dioxide, CO2 Oxygen, hydrogen, carbon dioxide, ammoniaHydrogen, ammonia, oxygen, carbon dioxideCarbon dioxide, oxygen, ammonia, hydrogenHydrogen, oxygen, ammonia, carbon dioxide10. Avogadro suggested that each liter of gas under identical conditions has the sameNumber of molesMassDensityNumber of molecules11. Assuming that the temperature remains constant. How can you increase the pressure of a gas? Add more molecules of the gasDecrease the container volumeIncrease the container volumeNone of the above12. The mass of an oxygen molecule is 16 times that of a hydrogen molecule. If the gases are maintained at the same temperature, what is the ratio of the rms speed of an oxygen molecule to that ofa hydrogen molecule?1/164161/413. Two gases are kept at the same temperature. If the molecules of gas A have 4 times the mass of those of gas B, what is the ratio of the rms speed of the A molecules to that of the B molecules?1/441/2214. Which Gas Law is involved when a balloon pops after being sat on? Law of Pressure GradientCharles LawNone of the AboveBoyle's Law15. Which of the following doubles with a doubling of the Celsius temperature of an ideal gas?None of the aboveAverage speedAverage kinetic energyAverage momentum16. 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. 422°C428°C694°C695°C17. 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.TrueFalse18. At a pressure of 5.0 atmospheres, a sample of gas occupies 40 liters. What volume will the same sample hold at 1.0 atmosphere?0.13 L0.0050 L8.0 L200 L19. At what pressure is a 5 liter container containing 20g of oxygen gas at a temperature of 10C? ____ atm (round to the nearest tenth)184.108.40.206.520. Which of the following effects is NOT a result of surface tension?A glass can be filled with milk beyond its brim.Soap films on wire frames have minimal surface areasThe pressure increases with the depth in a fluidLiquids floating in the Space Shuttle form into spheres21. What is the temperature of a 500 mL container of 100g of hydrogen gas held at a pressure of 0.25 atm? ____K273190.30.0322. 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°C50K596K50°C23. Each of these flasks contains the same number of molecules. In which container is the pressure highest? Flask 3Flask 4Flask 2Flask 124. What volume of space would 1 mole of gas occupy if it is at a temperature of 0C and pressure of 1 atm? ____ liters (round to the nearest tenth)22.424.414,212.225. 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?375K2250K125K500K26 out of 25Time is Up!