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AP Chemistry
Unit 7 – Equilibrium
Topic 7.1
A reaction vessel is filled such that the concentration of hydrogen gas, chlorine gas, and hydrogen chloride each have a partial pressure of 1.0 atm. What happens to the total pressure of the reaction vessel as the reaction proceeds to equilibrium?
The total pressure will remain constant because there are equal quantities of reactants and products.
The total pressure will remain constant because the forward and reverse reaction are at equal rates.
The total pressure will increase because equilibrium is being approached.
The total pressure will decrease because equilibrium is being approached.
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AP Chemistry - 7.1 Introduction to Equilibrium
Key terms
Equilibrium
Partial Pressure
Chlorine gas
Hydrogen Gas
Hydrogen chloride
Total Pressure
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