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Thermodynamics
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Thermodynamics

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Questions and Answers

Which of the following is not a condition for thermodynamic equilibrium?

  • Isothermal process (correct)
  • Mechanical equilibrium
  • Thermal equilibrium
  • Chemical equilibrium

    • What is the graphical representation of the change in state of a gas during a thermodynamic process called?

  • Thermodynamic diagram
  • Equation of state
  • Indicator diagram (correct)
  • State diagram

    • During an adiabatic process, which of the following occurs?

  • Heat is transferred from the surroundings to the system
  • There is no transfer of heat (correct)
  • The temperature remains constant
  • Heat is transferred from the system to the surroundings

    • What is the type of process in which the temperature remains constant?

    <p>Isothermal process</p> Signup and view all the answers

    Which of the following thermodynamic variables does not change during an isochoric process?

    <p>Volume</p> Signup and view all the answers

    What is the characteristic of a thermodynamic system that is in equilibrium?

    <p>Its thermodynamic variables are independent of time.</p> Signup and view all the answers

    What is the equation of state for 1 mole of an ideal gas?

    <p>PV = RT</p> Signup and view all the answers

    What type of thermodynamic system exchanges only energy with the surroundings?

    <p>Closed system</p> Signup and view all the answers

    Which of the following is a thermodynamic variable?

    <p>Internal energy</p> Signup and view all the answers

    What is the primary difference between an open system and an isolated system?

    <p>The exchange of energy with the surroundings</p> Signup and view all the answers

    What is the expression for the internal energy of an ideal gas?

    <p>$\frac{3}{2}\muRT$</p> Signup and view all the answers

    What is the relation between change in internal energy and change in temperature for an ideal gas?

    <p>$\Delta U = \mu R \Delta T$</p> Signup and view all the answers

    What is the expression for the work done in an isothermal process?

    <p>$\frac{1}{2} (P_1 + P_2) (V_2 - V_1)$</p> Signup and view all the answers

    What is the limitation of the first law of thermodynamics?

    <p>All of the above.</p> Signup and view all the answers

    What is the relation between heat, internal energy, and work done in a thermodynamic process?

    <p>$\Delta Q = \Delta U + \Delta W$</p> Signup and view all the answers

    Which of the following is a characteristic of a system in thermodynamic equilibrium?

    <p>Thermodynamic variables are independent of time</p> Signup and view all the answers

    What is the equation of state for μ moles of an ideal gas?

    <p>PV = μRT</p> Signup and view all the answers

    A system that exchanges neither energy nor matter with its surroundings is an example of a:

    <p>Isolated system</p> Signup and view all the answers

    Which of the following is not a thermodynamic variable?

    <p>Force</p> Signup and view all the answers

    A process in which the temperature remains constant is an example of a:

    <p>Isothermal process</p> Signup and view all the answers

    What is the ratio of the change in internal energy to the change in temperature for an ideal gas?

    <p>R/3</p> Signup and view all the answers

    What is the graphical representation of the work done during an isothermal process?

    <p>Trapezium</p> Signup and view all the answers

    What is the condition for a system to be in thermodynamic equilibrium?

    <p>ΔT = 0</p> Signup and view all the answers

    What is the equation of state for an ideal gas?

    <p>PV = RT</p> Signup and view all the answers

    What is the characteristic of an adiabatic process?

    <p>ΔQ = 0</p> Signup and view all the answers

    Which of the following is a necessary condition for a system to be in thermodynamic equilibrium?

    <p>The system has a uniform temperature and composition.</p> Signup and view all the answers

    What is the primary characteristic of an isothermal process?

    <p>The temperature of the system remains constant.</p> Signup and view all the answers

    What is the equation of state for an ideal gas?

    <p>PV = nRT</p> Signup and view all the answers

    In an adiabatic process, what is true about the energy exchange between the system and its surroundings?

    <p>There is no transfer of heat between the system and the surroundings.</p> Signup and view all the answers

    Which of the following thermodynamic variables remains constant in an isobaric process?

    <p>Pressure</p> Signup and view all the answers

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