Changes of State - Page 5

Questions
  • Elemental iodine is a solid at room temperature. What is the major attractive force that exists among different I2 molecules in the solid?
  • How can changes of state be explained by the particle theory?
  • What are some examples of changes of state?
  • Why are changes in matter important?
  • What is the primary factor that determines if an element is a solid, gas, or liquid at room temperature?
  • Why do changes of states matter?
  • How does heat affect matter during change of state?
  • What is the name of the physical state of mater which can change its shape but not its volume?
  • A student says that the kinetic energy decreases in the process of a liquid freezing. Is the student correct? Why?
  • The temperature at which a substance changes from a gas to liquid is called?
  • Explain effect of temprature on change of state of matter?
  • Why does a change in temperature result in a change in state?
  • What causes matter to change states?
  • Which change of state involves a release of energy? A.boiling B.condensation C.melting Dsublimation
  • What do we observe when a solid undergoes a phase transition to give a liquid?