Physical Pharmacy: First Law of Thermodynamics
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Questions and Answers

According to the first law of thermodynamics, what is the total amount of energy in the universe?

  • It is a constant (correct)
  • It varies with temperature
  • It is constantly decreasing
  • It is constantly increasing
  • Which term represents the sum of kinetic energy and potential energy of a system?

  • Internal energy (correct)
  • Temperature
  • Work
  • Heat
  • In an isobaric process, what remains constant?

  • Temperature
  • Volume
  • Internal energy
  • Pressure (correct)
  • What type of process occurs when the system temperature remains constant?

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

    In which type of process does no heat transfer occur and the internal energy of the system changes as a result of doing work on the surroundings?

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

    Study Notes

    Energy and Thermodynamic Processes

    • The total amount of energy in the universe remains constant according to the first law of thermodynamics.
    • The sum of kinetic energy and potential energy of a system is represented by the term internal energy.
    • In an isobaric process, the pressure remains constant.
    • An isothermal process occurs when the system temperature remains constant.
    • An adiabatic process occurs when no heat transfer occurs and the internal energy of the system changes as a result of doing work on the surroundings.

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    Description

    Test your knowledge on the first law of thermodynamics from a pharmaceutical perspective. Learn about the conservation of energy and the concept of internal energy.

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