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Le Chatelier's principle & equilibrium. $6.29   Add to cart

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Le Chatelier's principle & equilibrium.

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  • September 13, 2024
  • 6
  • 2022/2023
  • Class notes
  • Mr. scott dykes
  • Chemistry
  • Secondary school
  • 12th Grade
  • 4
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2− 2+ −
CoCl4 (𝐵𝑙𝑢𝑒) + 6𝐻20 ⇌ 𝐶𝑜(𝐻20)6 (𝑟𝑒𝑑) + 4𝐶𝑙 + ℎ𝑒𝑎𝑡:

Stress Predictions Observations Chemical analysis

Applying heat The system will shift The system shifted to This reaction is an
to the left and the the left and the exothermic reaction.
solution will turn solution turned blue. Adding heat adds
blue. temperature. If the
temperature is
increased, the system
will shift to the left
because there is less
heat and re-establish
equilibrium. This
would also favor
more reactants.

Applying cold The system will shift The system shifted to Adding cold reduces
to the right and turn the right and the the temperature of the
red. solution turned red. side with heat. If the
temperature is
lowered, the system
will shift to the right
and favor more
products.

Adding water The system will shift The system shifted to Adding water
to the left and turn the left and the increases the
red. solution turned red. concentration of
water on the left side.
Since the
concentration has
been increased, the
system will shift to
the right favoring
more products and
re-establish
equilibrium. Also,
when more reactants
or products are
added, the system
will shift away from
the side where the
addition occurred.
Since water was
added to the left side,

, the system moved
from the left side and
shifted to the right
side.

Adding potassium The system will shift The system shifted to Adding potassium
chloride to the left and turn the left and the chloride increases the
blue. solution turned blue. concentration of
chloride on the right
side. Since the
concentration has
been increased, the
system will shift to
the left favoring more
reactants and
re-establish
equilibrium. Also,
when more reactants
or products are
added, the system
will shift away from
the side where the
addition occurred.
Since chloride was
added to the right
side, the system
moved away from the
right side and shifted
to the left side.

Adding silver nitrate The system will shift The system shifted to Silver ions react with
to the left and turn the left and the chloride ions to form
red. solution turned red. the insoluble
compound silver
chloride. Since
chloride ions on the
right side have been
decreased, the system
will shift to the right
and turn red.

− +
HIn(Clear) + H2O ⇌ 𝐼𝑛 (𝑃𝑖𝑛𝑘) + 𝐻30 :
Stress Predictions Observations Chemical analysis

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