Unit 4 AP Chemistry

Flashcard
•
Chemistry
•
11th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a net ionic equation?
Back
A net ionic equation shows only the species that participate in a chemical reaction, omitting the spectator ions.
2.
FLASHCARD QUESTION
Front
What is a precipitation reaction?
Back
A precipitation reaction occurs when two aqueous solutions react to form an insoluble solid, known as a precipitate.
3.
FLASHCARD QUESTION
Front
What is the role of spectator ions in a chemical reaction?
Back
Spectator ions are ions that do not participate in the actual chemical reaction and remain unchanged in the solution.
4.
FLASHCARD QUESTION
Front
How do you identify a precipitate in a reaction?
Back
A precipitate can be identified as a solid that forms and separates from a solution during a chemical reaction.
5.
FLASHCARD QUESTION
Front
What is the Brønsted-Lowry theory of acids and bases?
Back
The Brønsted-Lowry theory defines acids as proton donors and bases as proton acceptors.
6.
FLASHCARD QUESTION
Front
What is a conjugate acid-base pair?
Back
A conjugate acid-base pair consists of two species that transform into each other by the gain or loss of a proton.
7.
FLASHCARD QUESTION
Front
What is the significance of stoichiometry in chemical reactions?
Back
Stoichiometry allows us to calculate the quantities of reactants and products involved in a chemical reaction based on balanced equations.
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