Answer:
1. < 4. < 3. < 2. < 5.
Explanation:
The average kinetic energy of the argon atoms depends only on the temperature.
Thus, the order of average kinetic energies is the order of increasing temperatures.
1. -101 °C < 4. -84 °C < 3. -77 °C < 2. -68°C < 5. -62°C
1 < 2 < 3 < 4 < 5