Acid Base Chemistry and Le Chatlier Principle
Authored by Daniel Langevin
Science
10th Grade
Understanding covered
Used 2+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does pH measure in a substance?
Concentration of [H3O+]
Concentration of hydroxide ions
Concentration of water molecules
Concentration of [OH-]
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Remembering
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how the pH scale and [H3O+] changes when a substance becomes more acidic.
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Analyzing
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
The equilibrium constant for the reaction H₂O + H₂O ⇌ [H₃O]⁺ + [OH]⁻ is 1.0 x 10^-14, meaning that the (forward or reverse) __________ reaction is favored?
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Remembering
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following statements is true about pure water? [H3O+] < [OH-]
It has a higher concentration of hydronium ions.
[H3O+] > [OH-]
It has a higher concentration of hydroxide ions.
[H3O+] < [OH-]
It has equal concentrations of hydronium and hydroxide ions.
[H3O+] = [OH-]
5.
OPEN ENDED QUESTION
3 mins • 2 pts
Discuss the relationship between the pH value and the concentration of [H₃O⁺] ions.
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Analyzing
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
At pH 6, there are ___ times more [H₃O⁺] ions compared to pH 7.
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Applying
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary component of oyster shells?
Calcium carbonate
Magnesium carbonate
Calcium phosphate
Protein matrix
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Understanding
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