Question

Liquid nitrogen can be prepared by cooling and
compressing air. Explain what happens to the molecules of
nitrogen as it condenses.

Answer 1

Answer:

Liquid nitrogen is so cold because of the way molecules change as a gas turns to liquid. ... The compressor pushes the molecules, or those building blocks that make up air closer together. This compression causes the gas to heat up. While keeping the pressure high we cool it down to the temperature of the lab.