CCU7 Equilibrium Shift in Class

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NOT IN YOUR PACKET

Determine which way the reaction shifts for each STRESS added.

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N₂ + 3H₂<--> 2NH₃

Adding N2...​

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Removing Heat...​

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Adding Catalyst...​

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RXN# 1          2SO_2(g) +   O_2(g) ⇋ 2SO_3(g)

• When the reaction is stressed by removing O2 the reaction shifts LEFT / RIGHT / NO SHIFT causing the amount of sulfur dioxide to INCREASE / DECREASE / REMAIN CONSTANT

• When the reaction is stressed by decreasing volume of the reaction vessel, causing the reaction shifts LEFT / RIGHT / NO SHIFT causing the amount of sulfur trioxide to INCREASE / DECREASE / REMAIN CONSTANT

Multiple Choice

For the reaction...
H_{2 (g)}  + Cl_{2 (g)} ↔  2HCl _(g)  +  heat
If the temperature is cooled, the _________ reaction will be favored.

• forward
• reverse
• forward and reverse

Multiple Choice

For the reaction...
SO₂ + O₂ ↔ SO₃
If the concentration of O₂ is decreased, the equilibrium of the reaction will shift ___________.

• left
• right
• left and right
• neither left nor right

Multiple Choice

For the reaction...
SO₂ + O₂ ↔ SO₃
If the equilibrium shifts to the right, the concentration of SO₃ will ___________.

• increase
• decrease
• remain the same
• double

Multiple Choice

For the reaction...
SO₂ + O₂ ↔ SO₃
If the concentration of SO₂ is increased, the equilibrium of the reaction will shift ___________.↔

• left
• right
• left and right 
• neither left nor right