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The particles in which sample have the lowest average kinetic energy?

NY Regents Chemistry Exam Jan 2023


The particles in which sample have the lowest average kinetic energy? (1) 50. g of sulfur at 273 K (2) 40. g of aluminum at 298 K

(3) 30. g of sulfur at 303 K (4) 20. g of aluminum at 323 K


Solution: Temperature is the measure of the average kinetic energy. Since choice 1 has the lowest temperature, it should have the lowest average kinetic energy as well.


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