1. Under which of the following conditions would the balls reach equilibrium (mix), most quickly?

When the temperature is set at 10 K for both the red and blue sides

When the temperature is set at 5000 K for both red and blue sides

When the temperature is set at 10 K for the red side and 5000 K for the blue side

When the temperature is set at 9990 K for both the red and blue sides

2. Under which of the following conditions would the balls move the slowest?

When the temperature is set at 10 K for both the red and blue sides

When the temperature is set at 2500 K for both the red and blue sides

When the temperature is set at 5000 K for both the red and blue sides

When the temperature is set at 9990 K for both the red and blue sides