Physical Pharmacy Thermodynamics: First Law
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Questions and Answers

According to the first law of thermodynamics, which of the following statements is true?

  • Internal energy is the sum of heat energy and work done by the system.
  • Energy can be transformed from one form to another, but it cannot be created or destroyed. (correct)
  • Energy can be created and destroyed in different forms.
  • The total amount of energy in the universe is not a constant.

    • What is the measure of hotness and coldness of a system?

  • Energy
  • Heat
  • Temperature (correct)
  • Internal energy

    • What is the part of the universe that is of interest in a thermodynamic system?

  • Internal energy
  • Universe
  • Surroundings
  • System (correct)

    • If the system temperature remains constant, what type of process is occurring?

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

    During which process does the volume of the system remain constant?

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

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