User Rating: 3 / 5

Star ActiveStar ActiveStar ActiveStar InactiveStar Inactive
 

Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

Latest Articles

  • What are Compound Microscopes?

    Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...

  • 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...

  • Features of the Scanning Tunneling Microscope

    The scanning tunneling microscope (STM) invented by Heinrich Rohrer and Gerd Binnig in the 1980s still manages to do a great job today and competes with more advanced microscope types. The scanning tunneling microscope is used for studying the surface atoms that are found on various materials. The...

  • Gas of rotten eggs

    If you happen to break a rotten egg, then you know the smell of hydrogen sulfide, because the stench of the spoiled egg depends on of its presence in rotting protein substances.

  • Why do copper products change color, and what is the name of the process?

    Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.



Most Popular

Amine

Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.

Matter

Anything that has mass and occupies space.

Lewis Acid

Any species that can accept a share in an electron pair.

Electronegativity

A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another atom.

Intermolecular Forces

Forces between individual particles (atoms, molecules, ions) of a substance.

Lead Storage Battery

Secondary voltaic cell used in most automobiles.

Calorie

The amount of heat required to raise the temperature of one gram of water from 14.5°C to 15.5°C. 1 calorie = 4.184 joules.

Pairing Energy

Energy required to pair two electrons in the same orbital.

Half-Reaction

Either the oxidation part or the reduction part of a redox reaction.

Solvent

The dispersing medium of a solution.