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Suffice it to say, that most times, if the concentration of reactants goes up, The section on Kinetics, later in these notes. Relationship between the amount of material and the rate of reaction is given in Speed with which the forward, or reverse, reaction occurs. Generally, the more the amount of reactant, or product, the faster will be the according to their respective densities in order to define the various. you are familiar with the meanings of the terms as used in chemistry. It's not the amount that is the deciding factor. In-vessel corium retention assumes that reactor vessel integrity is preserved. Equilibrium is a condition that occurs when a chemical reaction is. Mostly reactants, others, mostly products and in rare cases, the same amount of This means that some equilibrium systems can have Note that there is no reference to the amounts of reactants necessary toĪchieve this state. (colourless) at the expense of the amount of reactant (coloured) hence, theĮquilibrium can be observed to change as the reaction vessel is compressed orĮxpanded (as in a piston moving up and down in a glass cylinder.) Definition: Equilibrium: As it applies to a chemical reaction system: State of a reaction mixtureĪt which the forward reaction rate is equal to the reverse reaction rate. Higher pressures (by compressing the containerĬontaining the reaction mixture) will favour the production of product Reactants are reddish brown, products are colourless. We will start with gas phaseĮquilibria as a simple reaction type but the general principles we explore hereĬonsider the gas phase chemical system represent by the following chemical We will be exploring the more general cases where equilibrium is occurring.Įquilibria can occur in solid, liquid or gas. If the container is open and the gas isĪllowed to blow away then there can never be a reverse reactionĪs that particular component will be gone. For example, a liquid reaction mixture where one of Is arranged such that the product leaves the system as it is