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  • Stage 1

    Answer 4 questions correctly in a row.

The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles.
  • Sample A
  • Mass of each particle: 
    44
         u
  • Average particle speed: 
    1,500
         m/s
  • Sample B
  • Mass of each particle: 
    44
         u
  • Average particle speed: 
    1,400
         m/s
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature?
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