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Chemistry LibreTexts

10.5.5: Practice Le Chatelier's Principle

  • Page ID
    236061
  • Exercise \(\PageIndex{1}\)

    \[3 H_{2 (g)} + N_{2 (g)} \longleftrightarrow 2 NH_{3 (g)}\text{ with} \Delta H =  – 92 kJ\]

    Determine whether each of the changes below would cause the equilibrium above to shift left, shift right, or have no shift.

    a. add N2

    b. increase temperature

    c. add catalyst

    d. remove H2

    e. increase volume

    Answer

    a. shift right;  b. shift left;  c. no shift;  d. shift left;  e. shift left

    Exercise \(\PageIndex{1}\)

    \[2 SO_{2 (g)} + O_{2 (g)} \longleftrightarrow 2 SO_{3 (g)} + heat\]

    Determine whether each of the changes below would cause the equilibrium above to shift left, shift right, or have no shift.

    a. add O2

    b. increase temperature

    c. add catalyst

    d. remove SO3

    e. increase volume

    Answer

    a. shift right;  b. shift left ;  c. no shift;  d. shift right;  e. shift left

    Exercise \(\PageIndex{1}\)

    \[N_{2 (g)} + O_{2 (g)} + heat \longleftrightarrow 2 NO_{(g)}\]

    Determine whether each of the changes below would cause the equilibrium above to shift left, shift right, or have no shift.

    a. remove O2

    b. increase temperature

    c. add catalyst

    d. add NO

    e. increase volume

    Answer

    a. shift left;  b. shift right;  c. no shift;  d. shift left;  e. no shift

     

     

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