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Questions and Answers
What is the primary objective of Le Châtelier's principle?
What is the primary objective of Le Châtelier's principle?
- To predict and explain how changes in concentration affect the equilibrium of a closed system (correct)
- To determine the rate of reaction in a dynamic equilibrium
- To predict and explain how changes in volume affect the equilibrium of an open system
- To analyze the impact of temperature on reaction rates
In the Sabatier process, what is the purpose of adjusting the concentrations of reactants or products, temperature, or pressure?
In the Sabatier process, what is the purpose of adjusting the concentrations of reactants or products, temperature, or pressure?
- To decrease the concentration of methane in the equilibrium mixture for safety reasons
- To increase the concentration of methane in the equilibrium mixture for practical use (correct)
- To prevent the formation of carbon monoxide (CO)
- To speed up the reaction without affecting the equilibrium
What happens to the runner if he changes the speed of the treadmill according to Le Châtelier's principle?
What happens to the runner if he changes the speed of the treadmill according to Le Châtelier's principle?
- He will maintain the same speed to maintain equilibrium
- He will gradually slow down to restore equilibrium
- He must also change his speed to restore equilibrium (correct)
- He will speed up to restore equilibrium
What is the primary function of methane (CH4) in the Sabatier process?
What is the primary function of methane (CH4) in the Sabatier process?
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At what temperature is the reaction conducted in the Sabatier process?
At what temperature is the reaction conducted in the Sabatier process?
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Study Notes
Le Châtelier's Principle
- The primary objective of Le Châtelier's principle is to describe how a system at equilibrium responds to changes in concentration, temperature, or pressure.
Sabatier Process
- In the Sabatier process, adjusting the concentrations of reactants or products, temperature, or pressure allows the system to reach a new equilibrium state.
- The primary function of methane (CH4) in the Sabatier process is to react with hydrogen to produce methanol.
- The reaction is conducted at a high temperature, typically around 300-400°C.
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