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Chemical Equilibria, pH, and Electrical Properties

Term 161

  • Q7(a) [5]: What is reversible reactions and equilibrium constant?
  • Q7(b) [5]: Establish a relationship between \(K_p\) and \(K_c\).
  • Q7(c) [4]: Write a short note on "Le Chatelier's Principle".

Term 171

  • Q4(a) [5]: Why chemical equilibrium is called a dynamic equilibrium?
  • Q4(b) [5]: Derive the equilibrium constant (\(K_c\)) expression for the Schematic reaction \(mM+nN=xX+yY\).

Term 181

  • Q5(b) [2+3]: What is equilibrium law? Establish the relation between \(K_p\) and \(K_c\).
  • Q5(c) [4]: The value of \(K_p\) at 20°C for the reaction \(2NO(g)+Cl_2(g)\rightleftharpoons2NOCl(g)\) is \(1.9\times10^{-3}\,atm^{-1}\). Calculate the value of \(K_c\) at the same temperature.

Term 201

  • Q5(a) [5]: What is equilibrium constant? Write down the characteristics of chemical equilibrium.
  • Q5(b) [4]: Show the relation between \(K_c\) and \(K_p\).
  • Q5(c) [5]: Calculate the concentration of \(OH^-\) ions from water at 298K in 0.02M HCl solution.

Term 211

  • Q4(a) [4]: State the law of mass action.
  • Q5(a) [1+4]: What is an equilibrium constant? Write down the characteristics of chemical equilibrium.
  • Q5(b) [4]: Show the relation between \(K_p\) and \(K_c\).
  • Q5(c) [5]: Calculate the concentration of \(OH^-\) ions from water at 298K in 0.02M HCl solution.