Table of Contents
- 1 How does pressure affect equilibrium shift?
- 2 How will increasing pressure affect the equilibrium position in a reversible reaction?
- 3 In which reaction will the point of equilibrium shift to the left?
- 4 What does the equilibrium constant predict will happen if you add more product to a reaction system?
How does pressure affect equilibrium shift?
When there is an increase in pressure, the equilibrium will shift towards the side of the reaction with fewer moles of gas. When there is a decrease in pressure, the equilibrium will shift towards the side of the reaction with more moles of gas.
How will increasing pressure affect the equilibrium position in a reversible reaction?
Increasing the pressure moves the equilibrium position to the side with the fewest molecules . This reduces the effects of the change because the pressure decreases as the number of molecules decreases. Decreasing the pressure moves the equilibrium to the side with the most molecules.
What are the factors affecting equilibrium position of a reversible reaction?
Changes in concentration, temperature, and pressure can affect the position of equilibrium of a reversible reaction.
What conditions can be changed to shift the position of an equilibrium?
The equilibrium position can be changed by changing the reaction conditions through: changing the pressure. changing the concentration. changing the temperature.
In which reaction will the point of equilibrium shift to the left?
For an exothermic reaction, heat is a product. Therefore, increasing the temperature will shift the equilibrium to the left, while decreasing the temperature will shift the equilibrium to the right.
What does the equilibrium constant predict will happen if you add more product to a reaction system?
Le Chatelier’s principle predicts that equilibrium will shift to decrease the concentration of reactants. When the concentration of reactants is increased, the equilibrium shifts to the right and there will be more product than before. There will also be more reactants than before (more reactants were added).
What are the 3 factors that affect equilibrium?
Only three types of stresses can change the composition of an equilibrium mixture: (1) a change in the concentrations (or partial pressures) of the components by adding or removing reactants or products, (2) a change in the total pressure or volume, and (3) a change in the temperature of the system.
What would cause the equilibrium to shift left in this reaction?
Increasing the concentration of a product causes the equilibrium to shift to the left, producing more reactants. For a forward exothermic reaction, an increase in temperature shifts the equilibrium toward the reactant side whereas a decrease in temperature shifts the equilibrium toward the product side.