C&EN Physical Chemistry

The chemistry of snow and ice

Why do snowflakes have six sides? Why does ice float on water? Is every snowflake unique? This month’s edition of Periodic Graphics in Chemical & Engineering News looks at the answers to these questions and more! Click here to view the full graphic.

Miscellaneous Graphics

The Chemistry Behind Your Home’s Water Supply

We take for granted the water that comes out of the taps in our home when we turn them on – but a lot of work goes into getting it there. Chemistry, too, has a hand in making sure that the water is safe to drink. Here, we take a look at the water treatment […]

Physical Chemistry

What Temperature Does Water Boil At? Boiling Point & Elevation

Water always boils at 100˚C, right? Wrong! Though it’s one of the basic facts you probably learnt pretty early on back in school science lessons, your elevation relative to sea level can affect the temperature at which water boils, due to differences in air pressure. Here, we take a look at the boiling points of […]