Star InactiveStar InactiveStar InactiveStar InactiveStar Inactive
 

A solid compound that contains a definite percentage of bound water.

Latest Articles

  • Use of diamonds

    Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...

  • 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.

  • 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...

  • 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.

  • Diamonds Are Forever

    Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?



Most Popular

Photochemical Oxidants

Photochemically produced oxidizing agents capable of causing damage to plants and animals.

Dosimeter

A small, calibrated electroscope worn by laboratory personnel and designated to detect and measure incident ionizing radiation or chemical exposure.

Bubbles

Have you ever noticed that soap bubbles go up in winter and fall down in summer? The reason is that warm air is lighter than cold. And in winter the difference between the air temperature in the room (especially near the windows) and the one you exhale into the bubble is enough to overcome the heaviness of its shell.

Enthalpy

The heat content of a specific amount of substance, defined as E= PV.

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

Enzyme

A protein that acts as a catalyst in biological systems.

Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Solute

The dispersed (dissolved) phase of a solution.

Atomic Number


Integral number of protons in the nucleus, defines the identity of element.
 

Ioniztion

The breaking up of a compound into separate ions.