Science

    Cards (23)

    • What is the particulate nature of matter?
      It refers to the concept that matter is made up of small particles.
    • What is the purpose of a heating curve?
      A heating curve illustrates how temperature changes as heat is added to a substance.
    • What technique should be used to analyze a heating curve?
      One should assess the gain or loss of heat.
    • What happens to the kinetic energy during the heating process?
      It is converted to less or more kinetic energy depending on the phase change.
    • What is the arrangement of particles in a solid?
      Particles in a solid are closely packed in an orderly manner.
    • How does the arrangement of particles in a liquid differ from that in a solid?
      In a liquid, particles are closely packed but in a disorderly manner.
    • What is the movement of particles in a gas?
      Particles in a gas move quickly and randomly in any direction.
    • Why does the temperature remain constant during phase changes like melting or boiling?
      Because the energy gained or lost is used to change the state rather than increase the temperature.
    • What is the movement of particles in a solid?
      Particles in a solid vibrate in a fixed position.
    • Why can gas be compressed but solid cannot?
      Gas has a lot of empty space between particles, while solid has little empty space.
    • How does the arrangement of particles in a gas compare to that in a liquid?
      Gas particles are very far apart, while liquid particles are closely packed but disordered.
    • What happens to the attractive forces between particles during the heating process?

      The attractive forces weaken as heat is gained.
    • What is the boiling point of a liquid?
      The boiling point is the temperature at which a liquid turns into gas.
    • What is the melting point of a solid?

      The melting point is the temperature at which a solid turns into liquid.
    • What occurs during the process of condensation?
      During condensation, a gas loses heat and turns into a liquid.
    • What is the significance of temperature remaining constant during phase changes?
      It indicates that the energy is being used for the phase change rather than increasing temperature.
    • How does the arrangement of particles affect the properties of solids, liquids, and gases?
      The arrangement of particles determines their density, compressibility, and ability to flow.
    • What happens to the attractive forces in a liquid compared to a solid?
      The attractive forces in a liquid are weaker than in a solid.
    • What is the characteristic movement of liquid particles?
      Liquid particles slide past one another freely.
    • What is the characteristic movement of gas particles?
      Gas particles move quickly and randomly in any direction.
    • How does the arrangement of particles in a solid affect its compressibility?
      The closely packed arrangement of particles in a solid makes it incompressible.
    • What is the relationship between temperature and kinetic energy in solids?
      In solids, temperature remains constant because the kinetic energy is not gained significantly.
    • How does the arrangement of particles in a gas contribute to its ability to flow?
      The far apart arrangement of gas particles allows them to move freely and flow easily.
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