Chapter 13 review (1)

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State of Matter review

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Chapter 13 review (1)

  1. 1. Chapter 13 Review “States of Matter” Pre-AP Chemistry Charles Page High School Stephen L. Cotton
  2. 2. Chapter 13 Review <ul><li>According to the kinetic theory, collisions between molecules in a gas ____. </li></ul><ul><li>Compared to the melting points of ionic compounds, the melting points of molecular solids tend to be ____. </li></ul><ul><li>The direct change of a substance from a solid to a gas is called ____. </li></ul>
  3. 3. Chapter 13 Review <ul><li>What is the key difference between a liquid and a gas? </li></ul><ul><li>How does the atmospheric pressure at altitudes below sea level compare with atmospheric pressure at sea level? </li></ul><ul><li>Know the characteristics that describe the movement of particles in a gas. </li></ul>
  4. 4. Chapter 13 Review <ul><li>Which are the first particles to evaporate from a liquid? </li></ul><ul><li>When a gas is heated, some of the absorbed energy is converted to ____ energy, and some is converted to ____ energy. </li></ul><ul><li>How are conditions of pressure and temperature, at which two phases coexist in equilibrium, represented (or shown) on a phase diagram? </li></ul>
  5. 5. Chapter 13 Review <ul><li>What happens to the range of energies of the particles in matter when the temperature is increased? </li></ul><ul><li>The average kinetic energy of the particles of a substance is directly proportional to ____. </li></ul><ul><li>If a liquid is sealed in a container and kept at constant temperature, how does its vapor pressure change over time? </li></ul>
  6. 6. Chapter 13 Review <ul><li>What causes gas pressure in a container, such as a helium balloon? </li></ul><ul><li>When the vapor pressure of a liquid is equal to the atmospheric pressure, the liquid ____. </li></ul><ul><li>The escape of molecules from the surface of a liquid is known as ____. </li></ul><ul><li>What is the value of one standard atmosphere of pressure in kilopascals? </li></ul>
  7. 7. Chapter 13 Review <ul><li>Which of the following will evaporate the fastest: a) water at 20 o C, or b) water at 40 o C? </li></ul><ul><li>Which statement is NOT true, according to the kinetic theory: a) there is no attraction between particles of a gas, or b) only particles of matter in the gaseous state are in constant motion? </li></ul>
  8. 8. Chapter 13 Review <ul><li>Which states of matter can flow? </li></ul><ul><li>Which of the following statements is part of the kinetic theory: a) the particles in a gas move rapidly, or b) the particles in a gas are relatively far apart? </li></ul><ul><li>Which of the following elements has the ability to undergo sublimation: a) carbon, or b) iodine? </li></ul>
  9. 9. Chapter 13 Review <ul><li>What instrument is normally used to measure atmospheric pressure? </li></ul><ul><li>If energy is added to a boiling liquid, what happens to the temperature of the liquid? </li></ul><ul><li>The average kinetic energy of water molecules is greatest in: a) steam at 110 o C, or b) liquid water at 373 K? </li></ul>
  10. 10. Chapter 13 Review <ul><li>Standard conditions when working with gases are defined as ____ o C and ____ kPa. </li></ul><ul><li>What is the pressure (in kPa) when a liquid is boiling at its normal boiling point? </li></ul><ul><li>What happens to the rate of evaporation of a liquid as the liquid is cooled? </li></ul>
  11. 11. Chapter 13 Review <ul><li>What is the SI unit of pressure? </li></ul><ul><li>Which of the following best describes the motion of the particles in a piece of steel: a) none are moving, or b) all are moving? </li></ul><ul><li>How do crystal systems differ? </li></ul><ul><li>With which temperature scale is temperature directly proportional to average kinetic energy? </li></ul>
  12. 12. Chapter 13 Review <ul><li>Water could be made to boil at 105 o C instead of 100 o C by ____. </li></ul><ul><li>Why does a liquid’s rate of evaporation increase when the liquid is heated? </li></ul><ul><li>What happens to the temperature of a liquid as it evaporates? </li></ul><ul><li>The smallest group of particles in a crystal that retains the shape of the crystal is called ____. </li></ul>
  13. 13. Chapter 13 Review <ul><li>What happens to the average kinetic energy of the particles in a sample of matter as the temperature of the sample is increased? </li></ul><ul><li>In a dynamic equilibrium between the liquid state and the gas state, what is true about the rate of evaporation? </li></ul>
  14. 14. Chapter 13 Review <ul><li>Consider an iron cube and an aluminum cube. If the two cubes were at the same temperature, how would the average kinetic energy of the Fe particles compare with Al? </li></ul><ul><li>The temperature at which the motion of particles theoretically ceases is ____. </li></ul>
  15. 15. Chapter 13 Review <ul><li>Particles in a gas are best described as ____ spheres with ____ volume. </li></ul><ul><li>Crystals are classified into how many different crystal systems? </li></ul><ul><li>At what temperature (in K) do particles theoretically have no kinetic energy? </li></ul><ul><li>What is the pressure (in atm) at the normal boiling point of water? </li></ul>
  16. 16. Chapter 13 Review <ul><li>What is a pressure of 622 mm Hg equal to in atmospheres? </li></ul><ul><li>The vapor pressure of 10 mL of ethanol at 20 o C is 5.85 kPa. What is the vapor pressure of 20 mL of ethanol at the same temperature? </li></ul><ul><li>What is a pressure of 0.520 atm equal to in mm of Hg? </li></ul>
  17. 17. Chapter 13 Review <ul><li>What is the angle measurement in cubic, tetragonal, and orthorhombic crystal systems? </li></ul><ul><li>Into how many systems are crystals classified? </li></ul><ul><li>How many faces are in a hexagonal crystal system? </li></ul><ul><li>How many phases of water are in equilibrium at the triple point? </li></ul>
  18. 18. Chapter 13 Review End of Chapter 13 Review

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