Understand the significance of Kc values.

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Presentation transcript:

Understand the significance of Kc values. Week 18 Understand the significance of Kc values. Explain the effect of changing temperature on the value of Kc. © Pearson Education Ltd 2009 This document may have been altered from the original

When Kc >> 1 equilibrium lies to the right Week 18 When Kc >> 1 equilibrium lies to the right © Pearson Education Ltd 2009 This document may have been altered from the original

When Kc << 1 equilibrium lies to the left Week 18 When Kc << 1 equilibrium lies to the left © Pearson Education Ltd 2009 This document may have been altered from the original 3

Week 18 Ammonia equilibrium 4 © Pearson Education Ltd 2009 This document may have been altered from the original 4

Week 18 State that the value of Kc is unaffected by changes in concentration, pressure or the presence of a catalyst. Make predictions for shifts in equilibrium position from concentration and pressure changes. Understand that compromise conditions rely on a balance between Kc and k. © Pearson Education Ltd 2009 This document may have been altered from the original