The difference is mostly due to the fact that air is a gas and the water is a liquid, because density depends a lot on the state of matter. In a solid, the particles are tightly packed ...

Although the three states of matter are solid, liquid, and gas, not all substances seem to fit perfectly into one of these groups. Take a look at the substance below and see if you can decide whether ...

It turns out that any material, no matter what it is made of, can exist in one of three forms: solid, liquid or gas. These are categories of stuff that have certain observable properties.

With Q4 behind us, let’s have a look at Chart (NYSE:GTLS) and its peers. Gas and liquid handling companies ... quarter for the company with a solid beat of analysts’ backlog estimates but ...