Chemical Energy Quiz
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Questions and Answers

What is thermodynamics?

  • The study of chemical reactions
  • The study of equilibrium states
  • The study of microscopic systems
  • The study of energy transformations (correct)

    • What are the laws of thermodynamics based on?

  • The type of energy being transformed
  • Initial and final states of a system (correct)
  • Microscopic properties of a system
  • The rate of energy transformations in a system

    • What do the laws of thermodynamics apply to?

  • Systems in a non-equilibrium state
  • Microscopic systems containing a few molecules
  • Systems with changing macroscopic properties
  • Systems in equilibrium or moving from one equilibrium state to another (correct)

    • What is thermodynamics and what does it study?

    <p>Thermodynamics is the study of energy transformations and it deals with the changes in macroscopic systems involving a large number of molecules.</p> Signup and view all the answers

    What are the two ways in which chemical energy can be utilized?

    <p>Chemical energy can be released as heat during chemical reactions when a fuel burns in air or it can be used to do mechanical work when a fuel burns in an engine or provide electrical energy through a galvanic cell.</p> Signup and view all the answers

    When do the laws of thermodynamics apply?

    <p>The laws of thermodynamics apply only when a system is in equilibrium or moves from one equilibrium state to another equilibrium state.</p> Signup and view all the answers

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