Tag - Chemistry

Chemistry GCSE Revision: Energy Changes

All chemical reactions involve energy and energy changes in various forms, including heat, light, and sound. For example, exploding dynamite is simply a rapid chemical reaction that releases a large amount of energy in a matter of microseconds. When heated, dynamite pushes nearby objects and the surrounding air outwards, sending shockwaves and shrapnel. Energy changes in a chemical reaction can...

What Is Analytical Chemistry?

Analytical chemistry is a specialised discipline that deals with obtaining, processing, and presenting both the qualitative and quantitative data of substances. Analytical chemists uncover a substance’s composition and structure at both atomic and molecular levels.  All students who major in chemistry must acquire skills in this subjects to be successful in their chosen careers. Read on to find out more...

Are Chemicals Used In A Swimming Pool Safe?

When someone says ‘swimming pool,’ one of the first things that springs to mind is that pungent, inescapable smell of chlorine. Chemicals like chlorine are commonly used in swimming pools to disinfect and clean the water so that it’s safe for us to go for a dip without worrying about any side effects. But many people are still concerned...

What Is Purified Water?

As you might expect, purified water is exactly what it says - water that has been purified to varying degrees. It can be made via many different processes, and is used in a range of industries. From purified bottled water to water that is pure enough for laboratory applications, this article will discuss the science behind purified water.  Buy purified...