Question

Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions

पर्याय

• Low temperature, low pressure

• High temperature, low pressure

• Low temperature, high pressure

• High temperature, high pressure

Answer 1

Low temperature, high pressure

Evaporation, diffusion, and expansion of gases increase on raising the temperature. The evaporation rate increases because on increasing temperature, the kinetic energy of molecules increases, so the molecules present at the surface of the liquid leave the surface quickly and go into the vapour state. Diffusion and expansion of gases also increase as the molecules move more rapidly and try to occupy more space.