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All the forces of attraction among particles of a liquid.

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  • 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...

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    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...

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    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?

  • 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...

  • 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...

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Bronsted-Lowry Acid

A proton donor.

Conformations

Structures of a compound that differ by the extent of rotation about a single bond.

Semipermable Membrane

A thin partition between two solutions through which certain molecules can pass but others cannot.

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

Sulfuric Acid

H2SO4: colorless, oily liquid, boiling point 330C. A 96 percent solution is used in the laboratory.

Fire Hazard: This is a very powerful, acidic oxidizer which can Ignite or even explode on contact with many materials, i.e. acetic acid ,acetone+ HNOs, alcohols, + H202, NH4OH, HCL, NaOH, and others.

Sulfuric acid has a wide range of uses and plays a part in the production of nearly all manufactured goods.

Catenation

Bonding of atoms of the same element into chains or rings.
The bonding together of atoms of the same element to form chains.
The ability of an element to bond to itself.

Half-Cell

Compartment in which the oxidation or reduction half-reaction occurs in a voltaic cell.

Atomic Radius

Radius of an atom.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Total Ionic Equation

Equation for a chemical reaction written to show the predominant form of all species in aqueous solution or in contact with water.

Hydride

A binary compound of hydrogen.

 

Electrophile

Positively charged or electron-deficient.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Periodic Law

The properties of the elements are periodic functions of their atomic numbers.

Cell Potential

Potential difference, Ecell, between oxidation and reduction half-cells under nonstandard conditions.

 

Isoelectric

Having the same electronic configurations.

Half-Reaction

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

Low Spin Complex

Crystal field designation for an inner orbital complex, contains electrons paired t2g orbitals before eg orbitals are occupied in octahedral complexes.

Alkynes

Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds.

Bomb Calorimeter

A device used to measure the heat transfer between system and surroundings at constant volume.