Mastering Thermodynamic Reversibility
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Questions and Answers

What is a requirement for a process to be reversible?

  • The system must be in a state of flux
  • The system must be at rest (correct)
  • The system must be in equilibrium
  • The system must be in motion

    • What is a reversible process?

  • A process that can be reversed by an infinitesimally small change in a property of the system without a transfer of energy (correct)
  • A process that can be reversed by a large change in a property of the system
  • A process that can be reversed by an infinitesimally small change in a property of the system with a transfer of energy
  • A process that can be reversed by a large change in a property of the system without a transfer of energy

    • When can a process be approximately reversible?

  • If the system cannot respond to a change in its state
  • If the system can respond to a change in its state at the same speed as the change is occurring
  • If the system can respond to a change in its state slower than the change is occurring
  • If the system can respond to a change in its state faster than the change is occurring (correct)

    • Why are perfectly reversible processes impossible?

    <p>Because the process will take an infinite amount of time</p> Signup and view all the answers

    What is the relation between reversibility and the second law of thermodynamics?

    <p>For a process to be reversible it must be right on the limit of the second law of thermodynamics</p> Signup and view all the answers

    What is a reversible process?

    <p>A process that can be reversed by an infinitesimally small change in a property of the system without a transfer of energy</p> Signup and view all the answers

    Why is a perfectly reversible process impossible?

    <p>Because the process will take an infinite amount of time</p> Signup and view all the answers

    What is the condition for a system to undergo a reversible process?

    <p>The system must be at rest during the entire process</p> Signup and view all the answers

    When can a process be approximately reversible?

    <p>If the system can respond to a change in its state faster than the change is occurring</p> Signup and view all the answers

    Why are the assumptions of an ideal gas beneficial?

    <p>They simplify the theory and make the derivation of the kinetic theory of gases worthwhile</p> Signup and view all the answers

    What is the characteristic of a system that allows a process to be approximately reversible?

    <p>The system can respond to a change faster than the change is occurring</p> Signup and view all the answers

    Why does a reversible process take an infinite amount of time?

    <p>Because an infinitesimally small change is required</p> Signup and view all the answers

    What is the condition that makes a process perfectly reversible impossible?

    <p>The system cannot have an infinitesimally small change</p> Signup and view all the answers

    What is the similarity between the assumptions of an ideal gas and thermodynamic reversibility?

    <p>Both are theoretical constructs that simplify the theory</p> Signup and view all the answers

    Why is the discussion of thermodynamic reversibility of similar merit to the derivation of the kinetic theory of gases?

    <p>Because both are theoretical constructs that simplify the theory</p> Signup and view all the answers

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