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6. What is the formula of an alkane?

  • CnH2n+2
  • CnH2n
  • CnH3n

7. What is the definition of entropy?

  • The number of ways to remove particles
  • The number of different ways you can arrange particles
  • The number of particles in a mole of gas

8. What is a homogeneous catalyst?

  • A catalyst that is in the same state as the reactant
  • A catalyst that is in a different state as the reactant
  • A catalyst that changes state in the reaction

9. What type of hydrocarbon contains a benzene ring?

  • Aromatic
  • Aliphatic
  • Straight chain