A Thermochemistry Knowledge Quiz

12 Questions | Total Attempts: 35

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Thermochemistry Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following substances have zero value for their standard enthalpy of formation?
    • A. 

      O2

    • B. 

      H2O

    • C. 

      ZnO

    • D. 

      None of these

  • 2. 
    Calorie is equivalent to?
    • A. 

      4.18 j

    • B. 

      4.18 kJ

    • C. 

      0.418 J

    • D. 

      0.418 kJ

  • 3. 
    Enthalpy of neutralization of all the strong acids and strong basis has the same values due to?
    • A. 

      The formation of salt and water

    • B. 

      The formation of salt

    • C. 

      The complete ionization of acids and bases

    • D. 

      The combination of Hand OHions to form water

  • 4. 
    Total heat content of a system is called?
    • A. 

      Enthalpy

    • B. 

      Internal energy

    • C. 

      Heat

    • D. 

      State function

  • 5. 
    A balloon filled with oxygen is placed in a freezer. Identify the system.
    • A. 

      Balloon

    • B. 

      Oxygen

    • C. 

      Freezer

    • D. 

      All of these

  • 6. 
    A bomb calorimeter is used in -----------------calorimetry?
    • A. 

      Constant volume

    • B. 

      Constant pressure

    • C. 

      Both a and b

    • D. 

      Constant temperature

  • 7. 
    Born Haber cycle is used to determine lattice energies of:
    • A. 

      Molecular solids

    • B. 

      Ionic solids

    • C. 

      Covalent solids

    • D. 

      Metallic solids

  • 8. 
    Q = ∆H when
    • A. 

      ∆V = 0

    • B. 

      P = 0

    • C. 

      ∆E = 0

    • D. 

      None of these

  • 9. 
    Enthalpy of combustion for C is -393.5 kJ mole-1, Enthalpy of formation of CO2 would be      
    • A. 

      +393.5 kJmole

    • B. 

      -393.5 kJ

    • C. 

      Zero

    • D. 

      Can not be predicted from the given equation

  • 10. 
    Which of the following is not a state function of a system?
    • A. 

      Thermal energy at constant pressure

    • B. 

      Enthalpy

    • C. 

      Internal energy

    • D. 

      Work done

  • 11. 
    For writing thermochemical equation for enthalpy of combustion of an element requires a. 1 mole of element as reactant b. 1 mole of oxide of an element as product c. Standard at of the all the substances d. Balanced equation of 1 mole of element
    • A. 

      A

    • B. 

      A, b

    • C. 

      A, c, d

    • D. 

      A, b, c, d

  • 12. 
    Heat of------------of a substance is always negative.
    • A. 

      Formation

    • B. 

      Combustion

    • C. 

      Decomposition

    • D. 

      Solution

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