Question

The rate of diffusion is inversely proportional to _________________.

the difference in partial pressures
the distance separating two partial pressures
gas permeability
some of the above

Answer 1

The rate of diffusion is inversely proportional to the distance separating two partial pressures, with other factors like molecular size and temperature also affecting it.

Step-by-step explanation:

The rate of diffusion is inversely proportional to the distance separating two partial pressures. Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration. When considering the rate of diffusion, several factors are influential:

• Concentration gradient: The greater the difference in concentration, the faster the diffusion.
• Molecular size: Larger molecules move slower, thus they diffuse more slowly compared to lighter molecules.
• Temperature: Generally, higher temperatures increase the rate of diffusion.
• Distance that molecules must travel: Greater distances mean a slower rate of diffusion.

It's important to note that other factors such as solution density and the diffusion constant (D) also play a role in affecting the rate at which diffusion occurs.