In collaboration with Zayed Academic Center (ZAC)


R2.2 - The Rate of Chemical Change

🏛️ ZAC Centre

Easy questions

Question 1

The Maxwell−Boltzmann distribution plot below is for the same substance with the same concentration at different temperatures. Which statement is correct about the total number of molecules for each temperature?

  • A.There are more molecules at low temperatures
  • B.There are more molecules at high temperatures
  • C.The number of molecules depends on the temperature
  • D.The number of molecules remains the same

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Question 3

What cannot be used to determine the rate expression for a reaction?

  • A. Theoretical mechanisms for the reaction
  • B. Graphs of the change in concentration versus time for each reactant
  • C. Graphs of the change in rate versus concentration for each reactant
  • D. Tables of data from observing the reaction over time

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