BLBa_Ch15

BLBa_Ch15 - Chapter 15 Chemical Equilibrium BLB 10th 15.1...

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Chapter 15 Chemical Equilibrium BLB 10 th
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15.1 The Concept of Equilibrium Chemical equilibrium occurs when a reaction and its reverse reaction proceed at the same rate. N 2 O 4 ( g ) 2 NO 2 ( g )
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The Concept of Equilibrium As a system approaches equilibrium, both the forward and reverse reactions are occurring. At equilibrium, the forward and reverse reactions are proceeding at the same rate .
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A System at Equilibrium Once equilibrium is achieved, the amount of each reactant and product remains constant . N 2 O 4 ( g ) 2 NO 2 ( g )
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The Concept of Equilibrium Opposing reactions occur at equal rates. Dynamic process, i.e. never stops. Concentrations of reactants and products are constant. Rates of forward and reverse reactions are equal. Equilibrium can be reached from either direction, reactants or products.
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15.2 The Equilibrium Constant aA + bB cC + dD K is constant for a reaction, regardless of the [A] 0 . K
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BLBa_Ch15 - Chapter 15 Chemical Equilibrium BLB 10th 15.1...

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