10.5.5: Practice Le Chatelier's Principle

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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