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Work Done Through Multiple Processes quiz

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이 집합의 용어 (15)

  • How do you calculate the total work done in multiple thermodynamic processes?
    The total work is the sum of the individual works done in each process.
  • What is the equation for work done in an isobaric process?
    The equation is W = P * ΔV, where P is pressure and ΔV is the change in volume.
  • What does 'isobaric' mean in thermodynamics?
    Isobaric means the process occurs at constant pressure.
  • What is the work done during an isovolumetric process?
    The work done is zero because there is no change in volume (ΔV = 0).
  • How is an isobaric process represented on a PV diagram?
    It is shown as a straight horizontal line, indicating constant pressure.
  • How is an isovolumetric process represented on a PV diagram?
    It is shown as a straight vertical line, indicating constant volume.
  • If a process goes from point A to B to C, how do you find the total work?
    Add the work done from A to B and the work done from B to C.
  • Why can't you use W = P * ΔV for an isovolumetric process?
    Because ΔV is zero, so the work is always zero regardless of pressure changes.
  • In the example, what is the total work done for the path A to B to C?
    The total work is 12,000 joules.
  • In the example, what is the total work done for the path A to D to C?
    The total work is 6,000 joules.
  • What does it mean when we say work is 'path dependent' in thermodynamics?
    It means the amount of work done depends on the specific path taken between two states.
  • What is the significance of the area under the curve in a PV diagram?
    The area under the curve represents the work done during the process.
  • What is another name for an isovolumetric process?
    It is also called an isochoric process.
  • If a process has constant volume but changing pressure, what is the work done?
    The work done is zero because the volume does not change.
  • How do you determine the sign of work in an isobaric process?
    If the volume increases (expansion), work is positive; if volume decreases (compression), work is negative.