Question 1
Equilibrium is when the rate of forming products (from the reactants) is equal to the rate of forming reactants (from the products).
True
False
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Question 2
Most reactions can go from reactants to products and from products to reactants.
True
False
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Question 3
Equilibrium reactions are sometimes said to be reversible.
True
False
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Question 4
The expression for the equilibrium constant can be obtained using the balanced chemical equation.
True
False
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Question 5
When the equilibrium constant is large the products have lower concentrations.
True
False
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Question 6
In the equilibrium constant expression nothing is added.
True
False
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Question 7
The equilibrium constant expression is basically products over reactants.
True
False
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Question 8
A small K indicates that the equilibrium lies to the left.
True
False
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Question 9
K = [H
2
][I
2
]/[HI]
2
is the correct expression for
HI
⇌
H
2
+ I
2
2HI
⇌
H
2
+ I
2
HI
⇌
2H
2
+ 2I
2
None of the above.
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Question 10
Which is the correct expression for K given
2SO
2
+ O
2
⇌
2SO
3
[SO
2
][O
2
]/[SO
3
]
[SO
2
]
2
[O
2
]/[SO
3
]
2
[SO
3
]/[O
2
][SO
2
]
[SO
3
]
2
/[O
2
][SO
2
]
2
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