Star InactiveStar InactiveStar InactiveStar InactiveStar Inactive
 

A reaction that, once initiated, sustains itself and expands. This is a reaction in which reactive species, such as radicals, are produced in more than one step. These reactive species, radicals, propagate the chain reaction.

 

Latest Articles

  • The most expensive metal in the world

    Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.

  • What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support

    Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry. As these quality standards become...

  • Ozone

    We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

  • Varieties of garnet minerals

    The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...

  • Chemical Safety

    People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...



Most Popular

End Point

The point at which an indicator changes colour and a titration is stopped.

Phase Diagram

Diagram that shows equilibrium temperature-pressure relationships for different phases of a substance.

Reducing Agent

The substance that reduces another substance and is oxidized.

Fat

Solid triester of glycerol and (mostly) saturated fatty acids.

Chemical Bonds

The attractive forces that hold atoms together in elements or compounds.

Alloying

Mixing of metal with other substances (usually other metals) to modify its properties.

Hund's Rule

All orbitals of a given sublevel must be occupied by single electrons before pairing begins.

Adsorption

Adhesion of a species onto the surfaces of particles.

Thermonuclear Energy

The energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity. In these processes a small amount of mass is converted to energy according to the relationship E = mc2, where E is energy, m is mass, and c is the speed of light.

K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.