Rates And Equilibria
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State Le Chatelier’s principle 2 Marks
• When the conditions on a system in equilibrium are changed the equilibrium moves to minimise the effects of the change/ counteract/ oppose the change
Give two features of a reversible reaction, when a dynamic equilibrium has been set up.
• rate of forward reaction = rate reverse reaction • closed system needed • macroscopic properties remain constant/ concentrations remain constant (?)
Catalyst definition
A substance that provides an alternative reaction pathway with a a lower activation energy - the catalyst is not used up or chemically changed during the reaction
Effect of increased temperature on rate of reaction using Boltzmann distribution graphs
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Conditions of reaction in the Huber process
Pressure - 50 - 1000atm Temperature: 200 - 600 Degrees