Chemical Equilibrium
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is 'dynamic equilibrium' in a chemical reaction?
Back
A state where the forward and reverse reactions occur at the same rate, resulting in constant concentrations of reactants and products.
2.
FLASHCARD QUESTION
Front
What does a double arrow (⇌) indicate in a chemical reaction?
Back
The reaction is reversible.
3.
FLASHCARD QUESTION
Front
What does the equilibrium constant (K_{eq}) express in a chemical reaction?
Back
The ratio of the concentration of products to reactants at equilibrium.
4.
FLASHCARD QUESTION
Front
If the concentration of SO2 is increased in the reaction SO2 + O2 ⇌ SO3, which way will the equilibrium shift?
Back
The equilibrium will shift to the right.
5.
FLASHCARD QUESTION
Front
In the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens when the concentration of NH3 is increased?
Back
The equilibrium shifts to the left.
6.
FLASHCARD QUESTION
Front
What is Le Chatelier's Principle?
Back
If a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change.
7.
FLASHCARD QUESTION
Front
What effect does increasing temperature have on an exothermic reaction at equilibrium?
Back
The equilibrium shifts to the left, favoring the reactants.
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