At room temperature and pressure, a gas sample occupies $340\,\text{cm}^3$. Its temperature and pressure are then both increased, yet the gas still takes up $340\,\text{cm}^3$. Which row shows what happens to the particle speed and the average distance between the particles in the gas when the temperature and pressure are both increased?
- Aparticle speed unchanged; average distance between particles unchanged
- Bparticle speed unchanged; average distance between particles increased
- Cparticle speed increased; average distance between particles unchanged
- Dparticle speed increased; average distance between particles increased