Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

Hydrogen chloride gas is produced by the reaction below. $\text{H}_2(g) + \text{Cl}_2(g) \rightarrow 2\text{HCl}(g)$ Which change will alter the average kinetic energy of the reacting gas particles?

  • A1, 2 and 3
  • B1 and 2 only
  • C2 and 3 only
  • D1 only

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