Topic
Q:
What is the concentration of ICl ?
\( \mathrm{I}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{ICl}(\mathrm{g}) \)
\( \mathrm{K}_{\text {eq }}=82.9 \) at \( 25^{\circ} \mathrm{C} \)
Express your answer using three significant figures.
Q:
What is the concentration of ICl ?
\( \mathrm{I}_{2}(g)+\mathrm{Cl}_{2}(g) \rightleftharpoons 2 \mathrm{ICl}(g) \)
\( K_{\text {eq }}=82.9 \) at \( 25^{\circ} \mathrm{C} \)
Express your answer using three significant figures.
Q:
Galvanic Cells:
4. Calculate the standard cell potential at \( 25^{\circ} \mathrm{C} \) for the following cell reaction.
\[ N i(s)+M g^{2+}(a q) \rightarrow N i^{2+}(a q)+M g(s) \]
Q:
If you were a chemist trying to maximize the amount of \( \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{Cl}_{2} \) produced, which of the following might you try? Assume that
the reaction mixture reaches equilibrium.
Check all that apply.
increasing the reaction volume
removing \( \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{Cl}_{2} \) from the reaction mixture as it forms
adding \( \mathrm{Cl}_{2} \)
Q:
What will happen to the rates of the forward and reverse reactions when a catalyst is added?
View Available Hint(s)
Forward rate increases; reverse rate decreases.
Both forward and reverse rates increase.
Both forward and reverse rates decrease.
Forward rate decreases; reverse rate increases.
Q:
What will happen to the rates of the forward and reverse reactions when a catalyst is added?
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Q:
What would happen to the rate of the forward reaction if the concentration of nitrogen were decreased?
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Q:
The Haber process is typically carried out at a temperature of approximately \( 500^{\circ} \mathrm{C} \). What would happen to the rate of the
forward reaction if the temperature were lowered to \( 100^{\circ} \mathrm{C} \) ?
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Q:
Consider the exothermic reaction
\[ \mathrm{Fe}_{2} \mathrm{O}_{3}(\mathrm{~s})+2 \mathrm{Al}(\mathrm{s}) \rightleftharpoons \mathrm{Al}_{2} \mathrm{O}_{3}(\mathrm{~s})+2 \mathrm{Fe}(\mathrm{s}) \]
In what direction will the equilibrium shift when heat is removed?
Q:
Consider the reaction
How will the equilibrium shift when hydrogen gas is removed?
View Available Hint(s)
The system will shift toward the reactants.
The system will shift toward the products.
The reaction will shift toward both the reactants and products.
The reaction will not shift toward either the products or reactants.
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