An equilibrium constant with a value of
Subject: Mathematics   / Statistics
Question
An equilibrium constant with a value of 5.7 x 10–8 indicates that at equilibrium
Question 1 options:
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the reactants are favored
the products are favored
approximately equal concentrations of reactants and products are present
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Question 2 (0.5 points)
How many of the following statements are true?
Consider the equilibrium: CO(g) + Cl2(g) <–> COCl2(g). When chlorine gas is added to the reaction vessel the equilibrium shifts to the right.
Consider the equilibrium: CO(g) + Cl2(g) <–> COCl2(g), where delta H = – 108.6 kJ/mol. When temperature of the reaction vessel decreases the equilibrium shifts to form more COCl2.
When the equilibrium constant for a reaction is much less than one (K < 1), the concentration of the products is larger than the concentration of the reactants
Question 2 options:
0
1
2
3
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Question 3 (0.5 points)
Consider the following reaction:
N2 + 3 H2 <–> 2 NH3 delta H = -22 kcal/mol
When H2 is removed, what will happen to the position of equilibrium according to LeChatelier’s Principle?
Question 3 options:
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no change
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Question 4 (0.5 points)
Consider the following reaction:
N2 + 3 H2 <–> 2 NH3 delta H = -22 kcal/mol
When NH3 is added, what will happen to the position of equilibrium according to LeChatelier’s Principle?
Question 4 options:
shift right
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no change
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Question 5 (0.5 points)
Consider the following reaction:
N2 + 3 H2 <–> 2 NH3 delta H = -22 kcal/mol
When a catalyst is added, what will happen to the position of equilibrium according to LeChatelier’s Principle?
Question 5 options:
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Question 6 (0.5 points)
Consider the following reaction:
N2 + 3 N2 <–> 2 NH3 delta H = -22 kcal/mol
When N2 is added, what will happen to the position of equilibrium according to LeChatelier’s Principle?
Question 6 options:
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no change
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Question 7 (0.5 points)
Consider the following reaction:
N2 + 3 H2 <–> 2 NH3 delta H = -22 kcal/mol
When the temperature is increased, what will happen to the position of equilibrium according to LeChatelier’s Principle?
Question 7 options:
shift right
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no change
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Question 8 (0.5 points)
Consider the following reaction:
N2 + 3 H2 <–> 2 NH3 delta H = -22 kcal/mol
When H2 is added, what will happen to the position of equilibrium according to LeChatelier’s Principle?
Question 8 options:
shift right
shift left
no change
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Question 9 (0.5 points)
An equilibrium constant of K= 4.6 x 1015indicates that at equilibrium
Question 9 options:
the reactants are favored
the products are favored
roughly equal amounts of reactants and products will be present
the reaction will stop
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Question 10 (0.5 points)
An equilibrium constant of K= 9.8 x 10-7indicates that at equilibrium
Question 10 options:
the reactants are favored
the products are favored
roughly equal amounts of reactants and products will be present
the reaction will stop
