Chemical Equilibrium

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1. When th reaction Quotient and rate constant is compared it is used to determine?

  • The direction of the reaction
  • expresses the energy that can be converted during chemical reaction to useful (non pressure volume) work.
  • The spontaneity of a chemical reaction.
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2. Which of these effects rate constants?

  • Temperature (reaction rate and rated constant)
  • Pressure (Only in composition of the system)
  • Concentration (but it changes reaction rate)

3. The difference between the equlibrium constant and the reaction quotient?

  • None of the above
  • Reaction quoitient uses actual concs (That maybe initial)
  • Reaction Quotient is used for equilibrium only
  • Changes in formula

4. Which of these is not example of a colligative property?

  • Increases boiling point
  • increases freezing point
  • Osmosis
  • Lowering the solvent vapour pressure

5. Differences between osmolarity and osmolaity?

  • Osmolarity = mol/kg
  • osmolality= mol/kg

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