When a 5.0cm long raw potato chip was placed in water and left for 30 minutes, its length was found to have increased to 5.5cm. Use your knowledge of the particulate theory of matter to explain this.

due to diffusion as hypotonic solution

diffusion is the movements of particles from higher concentration to lower concentration

in hypoxic solutions the concentration is lesser in the inside compared to the outside.

so water enters thus making the potato larger.

hope it helps : )

potato chips making me hungry