What would be the state of the substance at point 9? 1. Label the regions of the diagram that correspond to the solid, liquid, and vapor phases. BOTH phases exist on these lines: Pure Phases and their Transitions (Worksheet), [ "article:topic", "Phase transition", "authorname:clarkj" ], Former Head of Chemistry and Head of Science. 2) What is the normal melting point of this substance? The molecular viscosity of water is less than most liquids at comparable temperatures (True, False) True 3. The LibreTexts libraries are Powered by MindTouch® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. _____ 9) What is the phase (s, l, g) of a substance at 0.75 atm and 100 °C? The carbon dioxide … at which thermodynamically distinct phases occur and coexist at equilibrium (at topic later on in the course). A phase diagram is a type of chart used to show conditions (pressure, temperature, volume, etc.) 1)What is the critical temperature of compound X? Phase Diagram Worksheet Name: _____ A . Suppose the temperature was then increased on this substance at constant pressure. Use the graph to answer the following questions. Liquid water has the highest specific heat of all liquids except for NH3 (True, False) True 2. In your own words, what is the definition of a triple point? is a graphical way to depict the effects of . and . Draw a small red circle around the point that is the critical point for tastegudum. Part A – Generic Phase Diagram. A phase diagram is a type of chart used to show conditions (pressure, temperature, volume, etc.) Figure \(\PageIndex{1}\): A typical phase diagram. (2) Label the triple point, normal melting point, and normal boiling point on the graph and estimate their values in the spaces below. 7) What are the values for temperature and pressure at STP? T= _____, P= _____ 8) What is the phase (s, l, g) of a substance at 2.0 atm and 100 °C? 2. Phase Diagram Worksheet. What section represents the liquid phase? Legal. Answer the questions below in relation to the following generic phase diagram. The phase diagram of an alloy made of components A and B, for all combinations of Tand X Phase Diagram Worksheet Name: A phase diagram is a graphical way to depict the effects of pressure and temperature on the phase of a substance: The CURVES indicate the conditions of temperature and pressure under which "equilibrium" between different phases of a substance can exist. 2) What is the normal melting point of this substance? temperature. The "C" point is known as the critical point. (Write the names of these phases in the appropriate regions directly on the diagram.) Curve 2 can be thought of as showing the effect of pressure on boiling point. Suppose you had the following phase diagram for a simple pure substance: The next phase diagram looks at the effect of changing pressure at constant temperature. Explain what curve 1 represents, and why it slopes backwards unlike the corresponding curve 1 in the last diagram. See Miss Scott for answer key with labels. A phase diagram(or equilibrium diagram) is a diagram with Tand composition as axes, showing the equilibrium constitution. You should try to answer the questions without accessing the Internet. Directions: Refer to the phase diagram below when answering the following questions. pressure. Mark on the diagram the areas corresponding to ice, liquid water, and water vapor. ~770. Water has the highest value of latent heat of evaporation of all substances (True, False) True 4. What section represents the gas phase? Explain why most solids have a very steep curve, sloping slightly forwards as pressure increases. Give the state(s) at each of the points 4 to 8. 4. Phase Diagram Worksheet Name: _____ A . Phase Change Worksheet. Worksheet – Phase Diagrams 1. Liquid water has the highest specific heat of all liquids except for NH3(True, False) True 2. What state(s) would the substance be in at each of points 2 to 5? The graph was drawn from data collected as a substance was heated at a constant rate. There are usually two major distortions. c. Suppose the constant pressure was 1 atmosphere. BOTH phases exist on these lines: For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. ~1000 C 3) What is the normal boiling point of this substance? For each of the following questions (16-28), refer to the phase diagram for tastegudum. What letter represents the triple point? Material in this phase has _____ volume and _____ shape. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Point T on the diagram is called the triple point. Which section represents the solid phase? 5. Missed the LibreFest? phase diagram. At 1 atmosphere and room temperature (25 C), would you expect solid carbon dioxide to melt to the liquid phase, or sublime to the gas phase? Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. temperature. 14. is a graphical way to depict the effects of . at which thermodynamically distinct phases occur and coexist at equilibrium (at topic later on in the course). Phase transitions occur along lines of equilibrium. Use this diagram … These diagrams (including this one) are nearly always drawn highly distorted in order to see what is going on more easily. 15. C. 2)If you were to have a bottle containing compound X in your closet, what phase would it most likely be in? 3. On Crosbia, bolonium (Bg) and manasium (Ma) react together to form the compound tastegudum. T= _____, P= _____ 8) What is the phase (s, l, g) of a substance at 2.0 atm and 100 °C? The phase diagram for bromine is shown below. 7) What are the values for temperature and pressure at STP? and . Part D – Phase Diagram for Tastegudum. pressure. At point A, the beginning of observations, the substance exists in a solid state. Watch the recordings here on Youtube! Describe what happens to the substance as you increase the temperature from point 6 to point 8.