Standard Enthalpy of Formation Quiz
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Questions and Answers

What does the standard enthalpy of formation measure?

  • Change of enthalpy during the formation of 1 mole of a substance from its elements (correct)
  • Change in volume during a chemical reaction
  • Change in pressure during a chemical reaction
  • Change in temperature during a chemical reaction

    • What is the symbol for standard enthalpy of formation?

  • ΔE⦵
  • ΔS⦵
  • ΔG⦵
  • ΔfH⦵ (correct)

    • What is the recommended standard pressure value by IUPAC for standard enthalpy of formation?

  • 105 Pa (correct)
  • 1 bar
  • 1 atm
  • 100 kPa

    • What does the superscript Plimsoll on the symbol ΔfH⦵ indicate?

    <p>The process has occurred under standard conditions at the specified temperature</p> Signup and view all the answers

    What is the standard state for a gas in the context of standard enthalpy of formation?

    <p>Hypothetical state the gas would assume if it obeyed the ideal gas equation at a pressure of 1 bar</p> Signup and view all the answers

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