Temperature Graphs PDF

Temperature Graphs Name: Date: 1. The graph below shows the e ect of temperature 2. on the volume of a gas. The model of ide...

Temperature Graphs Name: Date: 1. The graph below shows the e ect of temperature 2. on the volume of a gas. The model of ideal gases shown above is useful because it A. accurately approximates the properties of most gas molecules. B. predicts the behavior of other phases of matter. C. gives precise explanations for nonideal gas Which generalization can be made about the behavior. relationship between the temperature and volume D. shows a linear relation between gas pressure of a gas? and volume. A. As the temperature of a gas decreases, its volume increases. B. As the temperature of a gas decreases, its volume stays the same. C. As the temperature of a gas increases, its volume increases. D. As the temperature of a gas increases, its volume stays the same. page 1 3. A gas in a sealed cylinder is heated. 5. The picture below shows a gas at standard conditions in a container with a moveable piston. Which of the following does not increase as the gas is heated? A. the average number of gas molecules hitting the cylinder walls per second B. the average kinetic energy of the gas molecules C. the average speed of the gas molecules D. the average distance between the gas molecules According to Charles's law, what will happen to the piston when the gas is heated? A. The piston will move up because the gas particles get larger. B. There will be no change because heat will not a ect the system. 4. C. The piston will move up because the gas particles move faster and get farther apart. D. The piston will move down because the gas particles move slower and get closer together. A child releases a balloon that is partially in ated with helium into the air. What do you think will happen to the size of the balloon as it rises? Explain fully why you think so. page 2 Temperature Graphs 6. A cylinder of gas particles is shown below. 7. A picture of a balloon is shown below. The cylinder is tted with a moveable piston that can be raised and lowered. Which of the following would result in an increase in the pressure of the gas below the piston? A. increasing the volume of the cylinder B. removing some of the gas from the cylinder If the temperature of this balloon were to decrease suddenly, how would the balloon change? C. decreasing the volume of the cylinder D. decreasing the pressure outside the cylinder A. Its mass would increase. B. Its mass would decrease. C. Its volume would increase. D. Its volume would decrease. page 3 Temperature Graphs 8. The illustration below shows a hot-air balloon. 9. The two samples of gas represented below have The pilot can change the altitude of the hot-air the same volume, temperature, and pressure. balloon by changing the temperature of the gas inside the balloon. When the gas is heated, the balloon rises. Based on this information, these two samples of gas must also have the same A. chemical reactivity. B. density. C. mass. D. number of molecules. Which of the following best explains this phenomenon? A. Heating the gas reduces its pressure. B. Heating the gas decreases its density. C. Heating the gas decreases its molecular motion. D. Heating the gas reduces the frequency of the gas molecules' collisions. page 4 Temperature Graphs 10. Assuming pressure is held constant, which of the following graphs shows how the volume of an ideal gas changes with temperature? A. B. C. D. page 5 Temperature Graphs 11. Oxygen (O2 ) and nitrogen (N2 ) molecules are 12. The diagram below shows gas inside a sealed contained in a ask, which is separated from a container before and after force is applied to the second ask by a closed valve, as shown below. container's movable piston. The temperature inside The second ask, of equal volume, is a vacuum. the container remains the same after the force is applied. The valve separating the two asks is opened. Which of the following diagrams represents the most likely arrangement of molecules after the valve is opened? Applying force to the piston results in compression A. of the gas particles and an increase in gas pressure. Which of the following statements best describes the change in gas particles after compression? A. The kinetic energy of the gas particles increases. B. B. The kinetic energy of the gas particles decreases. C. The velocity with which the gas particles hit the container wall increases. C. D. The frequency with which the gas particles hit the container wall increases. D. page 6 Temperature Graphs 13. The diagram below shows two gases maintained at 14. The graph below represents changes in molecular STP in separate chambers by a closed valve. motion in a solid plastic cylinder over time. After the valve is opened, the two gases form a homogeneous mixture. Which of the following changes in the system results when forming this mixture? A. loss of heat B. increase in entropy These changes in the molecules of the plastic cylinder must be accompanied by which of the C. chemical reaction of the gases following? D. decrease in the total volume of the gases A. an increase in mass B. a decrease in volume C. an increase in temperature D. a decrease in heat capacity page 7 Temperature Graphs 15. The diagram below shows a speedboat with a 16. The diagram below shows an air hose positioned hydrofoil. so that a stream of air can be passed above the end of a glass tube. The glass tube is sitting in a beaker of water. Its support is not shown. Which of the following best describes how Bernoulli's principle can be used to explain why the bow rises? A. The hydrofoil hangs below the boat, so it lifts the bow up. B. The hydrofoil is at a di erent angle to the water than to the boat, so it moves upward. C. The bow of a fast-moving boat always comes out of the water, so the hydrofoil supports the bow. D. Water pressure on top of the hydrofoil is less According to Bernoulli's principle, what will than on the bottom, so the higher pressure on happen as the stream of air passes over the glass the bottom pushes the bow up. tube? A. Turbulence will cause the glass tube to tilt toward the left. B. Wind shear will cause the glass tube to break at the lip of the beaker. C. Low pressure will develop and cause the water level to rise in the glass tube. D. Lift will develop in the glass tube and cause the water in the beaker to over ow. page 8 Temperature Graphs 17. The illustrations below represent the expansion 18. The four tanks shown in the diagram below of a gas in a cylinder of an engine. The piston contain compressed nitrogen gas. The temperature moves as the gas volume changes. of the gas is the same in each tank. Initial Final What could have been done to the gas in the cylinder to bring about this change in volume? A. Half of the molecules were released. B. The Kelvin temperature was doubled. C. The condensation rate for the gas was doubled. Tank 1 Tank 2 Tank 3 Tank 4 D. The amount of heat in the gas was reduced Which of the tanks contains the greatest number by one half. of gas particles? A. Tank 1 B. Tank 2 C. Tank 3 D. Tank 4 page 9 Temperature Graphs 19. A liquid boils when its vapor pressure equals the pressure of the atmosphere. A student creates a graph of vapor pressure as a function of temperature for pure water and for a solution of water and sucrose. Which of the following graphs best represents vapor pressure as a function of temperature for the two liquids? A. B. C. D. page 10 Temperature Graphs 20. A prairie dog burrow is shown below. Prairie dogs build raised mounds around both entrances to their burrow. The mound around one entrance is taller than the mound around the other entrance. Because the mounds are at di erent heights, the air pressure at entrance 1 is lower than the air pressure at entrance 2 when the wind blows. This causes air to ow in at entrance 2 and out at entrance 1. In theory, the ventilation in a prairie dog burrow relies on which of the following concepts? A. Bernoulli's principle B. conduction C. Ohm's law D. pneumatics page 11 Temperature Graphs 21. Some manufacturers place rubber plugs in the bottoms of pressurized aerosol cans to prevent structural failure if the cans are exposed to excessive heat. The normal pressure inside an aerosol can is 2.0 atm at 27 C. When the temperature of the gas in the can is increased to 250 C, the pressure reaches 3.5 atm and the plug pops out. Which of the following graphs best shows the relationship of pressure to the temperature inside the can? A. B. C. D. page 12 Temperature Graphs 22. The table below provides data about a gas sample. 23. The illustration below shows the Amundsen-Scott South Pole Research Station. Volume 1.0 L Pressure 303.9 kPa Temperature 323 K Which of the following can be determined using the data? A. the chemical composition of the gas The research station is located in an area where more than eight inches of snow accumulates each B. the condensation temperature of the gas year without ever melting. Architects utilized Bernoulli's principle when designing the exterior C. the number of gas molecules in the sample of the building. The station has an adjustable D. the distance between gas molecules in the elevation and is built facing the prevailing wind sample direction. The front of the building slopes downward and inward. a) Explain why the research station has an adjustable elevation. b) Describe in detail, using Bernoulli's principle, how the inwardly sloping design of the building has an impact on snow management. c) Describe one other possible design feature that would make a building suitable for this environment. Explain your answer. page 13 Temperature Graphs 24. A cylinder of gas particles is shown below. 25. A student is putting a glass jar upside down into a tank of water. The cylinder is tted with a moveable piston that can be raised and lowered. Which of the following would result in an increase in the pressure of the gas below the piston? A. increasing the volume of the cylinder What happens when the student pushes the glass B. removing some of the gas from the cylinder jar straight down into the water? C. decreasing the volume of the cylinder A. The jar cracks. D. decreasing the pressure outside the cylinder B. The jar lls with water. C. Air leaves the jar. D. Air prevents the jar from lling with water. page 14 Temperature Graphs 26. The diagram below shows a small sealed jar 27. For which dam is the water pressure greatest? containing 50 mL of warm water that is put into a bowl containing 500 mL of cold water. A. B. C. Which statement describes what happens to the temperature of the water in the jar and in the bowl? D. A. The temperature of the water in the jar increases, and the temperature of the water in the bowl decreases. B. The temperature of the water in the jar decreases, and the temperature of the water in the bowl increases. C. The temperature of the water in both the jar and the bowl increases. D. The temperature of the water in both the jar and the bowl decreases. 28. In which system is the pressure in the test tube greater than the atmospheric pressure? A. B. C. D. page 15 Temperature Graphs  Problem-Attic format version 4.4.616 _c 2011–2020 EducAide Software Licensed for use by Jessica Fontenot Terms of Use at www.problem-attic.com Temperature Graphs 4/11/2024 1. 13. Answer: C Answer: B Points: 1 Objective: MA 6.5 Points: 1 2. Answer: A 14. Points: 1 Answer: C Objective: MA 3.1 3. Points: 1 Answer: D Points: 1 15. Answer: D 4. Objective: MA 3.3 Answer: Points: 1 Points: 1 16. 5. Answer: C Answer: C Objective: MA 2.3 Objective: MA 6.1 Points: 1 Points: 1 17. 6. Answer: B Answer: C Objective: MA 6.1 Objective: MA 6.1 Points: 1 Points: 1 18. 7. Answer: D Answer: D Objective: MA 6.2 Objective: MA 6.1 Points: 1 Points: 1 19. 8. Answer: D Answer: B Objective: MA 7.4 Objective: MA 1.3 Points: 1 Points: 1 20. 9. Answer: A Answer: D Objective: MA 2.3 Objective: MA 6.1 Points: 1 Points: 1 21. 10. Answer: D Answer: A Objective: MA 6.1 Objective: MA 6.1 Points: 1 Points: 1 22. 11. Answer: C Answer: C Objective: MA 6.2 Objective: MA 6.5 Points: 1 Points: 1 23. 12. Answer: Answer: D Objective: MA 4.3 Objective: MA 6.1 Points: 1 Points: 1  Teacher's Key Page 2 24. Answer: Points: 1 25. Answer: D Points: 1 26. Answer: B Points: 1 27. Answer: D Points: 1 28. Answer: D Objective: 1.06 Points: 1