What causes brownian motion in colloids

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Identify a specific example for each type of technology

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88