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4 Written questions

3 Multiple choice questions

  1. an equilibrium involving reactants and/or products in more than one state
  2. (chemistry) the law that states the following principle: the rate of a chemical reaction is directly proportional to the molecular concentrations of the reacting substances
  3. if a system at equilibrium is subjected to a small change the equilibrium tends to shift so as to minimize the effect of the change

3 True/False questions

  1. equilibrium constant(chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction)

          

  2. catalyst(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

          

  3. homogeneous equilibriaan equilibrium involving reactants and/or products in more than one state