AP Chemistry Unit 7 - Equilibrium
Flashcard
•
Chemistry
•
11th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a conjugate acid/base pair?
Back
A conjugate acid/base pair consists of two species that differ by the presence or absence of a proton (H+). For example, NH4+ (conjugate acid) and NH3 (conjugate base) are a conjugate pair.
2.
FLASHCARD QUESTION
Front
What happens to the pH of a solution when a weak acid is mixed with its conjugate base?
Back
The pH of the solution remains relatively stable due to the buffer action of the weak acid and its conjugate base.
3.
FLASHCARD QUESTION
Front
What does K_eq > 1 indicate about a chemical reaction at equilibrium?
Back
It indicates that there are more products than reactants at equilibrium.
4.
FLASHCARD QUESTION
Front
How does adding heat to an endothermic reaction affect the equilibrium position?
Back
Adding heat shifts the equilibrium position to the right, favoring the formation of products.
5.
FLASHCARD QUESTION
Front
What is the dissolution reaction for BaCl2?
Back
BaCl2(s) → Ba2+(aq) + 2Cl-(aq)
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