Unit 4 - AP Chemistry
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a precipitation reaction?
Back
A precipitation reaction is a chemical reaction in which two aqueous solutions react to form an insoluble solid, known as a precipitate.
2.
FLASHCARD QUESTION
Front
What happens to the species that is reduced in a redox reaction?
Back
The species that is reduced gains electrons, becoming more negatively charged.
3.
FLASHCARD QUESTION
Front
Identify a conjugate acid-base pair in the reaction: CH₃CH₂COOH(aq) + H₂O(l) ⇄ CH₃CH₂COO⁻(aq) + H₃O⁺(aq).
Back
The conjugate acid-base pair is CH₃CH₂COOH(aq) and CH₃CH₂COO⁻(aq).
4.
FLASHCARD QUESTION
Front
What is the conjugate base of H₂SO₄?
Back
The conjugate base of H₂SO₄ is HSO₄⁻.
5.
FLASHCARD QUESTION
Front
How is an acid defined in chemistry?
Back
An acid is defined as a proton donor.
6.
FLASHCARD QUESTION
Front
What is a redox reaction?
Back
A redox reaction is a chemical reaction that involves the transfer of electrons between two species, resulting in changes in oxidation states.
7.
FLASHCARD QUESTION
Front
What is the difference between a strong acid and a weak acid?
Back
A strong acid completely dissociates in solution, while a weak acid only partially dissociates.
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