Increasing the concentration of reactants in solution increases the frequency of collisions, and so increases the rate of reaction
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Pressure (Factor)
Increasing the pressure of reacting gases, increases the frequency of collisions, and so increases the rate of reaction
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Surface Area (Factor)
Increasing the surface are of solid reactants increases the frequency of collisions, and so increases the rate of reaction
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Temperature (Factor)
Increasing the temperature increases the frequency of collisions and makes the collisions more energetic, and so increases the rate of reaction
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What is Le Chatelier's Principle?
If a system is at equilibrium and a change is made to any of the conditions, then the system responds to counteract the change
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Le Chatelier's Principle (Concentration)
Concentration=if there is more A, C&D will be made to make up for the change
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Le Chatelier's Principle (Endothermic Reaction - Temperature)
Temperature=If the temperature is increased then the amount of product increases for an endothermic reaction. If the temperature is decreased then the amount of product decreases for an endothermic reaction.
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Le Chateliers"s Principle (Exothermic Reaction - Temperature)
Temperature=If the temperature increases then the amount decreases for an exothermic reaction. If the temperature decreases then the amount increases for an exothermic reaction.
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Le Chateliers"s Principle (Pressure increase)
Pressure= If pressure increases the equilibrium position shifts towards the side with the smaller number of molecules, as shown by the symbol equation for that reaction.
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Le Chateliers"s Principle (Pressure decrease)
Pressure=A decrease in pressure causes the equilibrium position to shift towards the side with larger numbers of molecules, as shown by the symbol equation for that reaction
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What is a reversible reaction?
A reaction that occurs when the products react to produce the original reactants
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What is an equilibrium?
The relative amounts of all the reactants and products at equilibrium depend on the conditions of the reaction
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What 3 conditions affect an equilibrium?
Concentration, Pressure and temperature
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Other cards in this set
Card 2
Front
Increasing the pressure of reacting gases, increases the frequency of collisions, and so increases the rate of reaction
Back
Pressure (Factor)
Card 3
Front
Increasing the surface are of solid reactants increases the frequency of collisions, and so increases the rate of reaction
Back
Card 4
Front
Increasing the temperature increases the frequency of collisions and makes the collisions more energetic, and so increases the rate of reaction
Back
Card 5
Front
If a system is at equilibrium and a change is made to any of the conditions, then the system responds to counteract the change
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