What is the equilibrium constant a measure of in a chemical reaction?
Acid-Base Equilibrium

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Biology, Chemistry, Science
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11th Grade - University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The amount of energy released
The speed of the reaction
The ratio of products to reactants at equilibrium
The temperature at which the reaction occurs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In acid-base chemistry, what role does a proton donor play?
It neutralizes the reaction
It increases the pH
It acts as an acid
It acts as a base
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of water being amphoteric?
It can only act as an acid
It is neutral and does not participate in reactions
It can only act as a base
It can act as both an acid and a base
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equilibrium constant of water (Kw) at 25°C?
1 x 10^-10
1 x 10^-4
1 x 10^-14
1 x 10^-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the strength of an acid determined?
By its equilibrium constant (Ka)
By its color
By its molecular weight
By its boiling point
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of a strong acid?
It has a low Ka value
It does not donate protons
It has a high Ka value
It is always a solid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a polyprotic acid?
An acid that can donate one proton
An acid that can donate two or more protons
An acid that cannot donate protons
An acid that is always weak
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