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  • PEARSON (PEARSON)
  • Chemistry 2015
  • Unit 11 - Equilibrium II
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Lecture notes

A Level Edexcel Chemistry - Topic 11 - Equilibrium 2/II

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A Level Edexcel Chemistry - Topic 11 - Equilibrium 2/II Fully updated notes providing drop down answers to self made questions designed from numerous textbooks and exam mark schemes. During my revision, I created these drop down questions and answers by extracting the key information needed to achieve top marks in exams. I achieved a high A* using only these notes. Notes for all other topics have been released on my page :) Hope I can help!

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Topic 11 - Equilibrium 2
Calculations Involving Kc
What is Kc equal to?

concentration of the products divided by the concentration of the reactants

concentrations are raised to the power of the moles of that substance




Describe the 3 main features of dynamic equilibrium

rate of forward reaction is equal to the rate of backward reaction

concentration of reactants is equal to concentration of products

takes place in closed system

What is the difference between homogeneous and hetrogeneous reactions?

homogeneous reactions are reactions in which the reactants and products are
in the same phase

whereas hetrogeneous reactions are reactions in which some of the reactants
and/or products are in different phases to each other

What is the difference when calculating Kc for a hetrogeneous reaction?

any terms representing a solid or liquid are not included in the calculation




Topic 11 - Equilibrium 2 1

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Browse related subjects

Subjects

  • calculations
  • gas equilibria
  • le chatelier
  • equilibrium constants
  • exothermic reactions
  • hetrogenous
  • equilibrium
  • kc
  • kp

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