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Description of a chemical reaction by placing the formulas of the reactants on the left and the formulas of products on the right of an arrow.

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Process that occurs in electrolytic cells.

Conjugated Double Bonds

Double bonds that are separated from each other by one single bond -C=C-C=C-.

Ionization Isomers

Isomers that result from the interchange of ions inside and outside the coordination sphere.

Nickel-cadmium cell (Nicad battery)

A dry cell in which the anode is Cd, the cathode is NiO2, and the electrolyte is basic.

Sigma Orbital

Molecular orbital resulting from head-on overlap of two atomic orbitals.

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.

Buffer Solution

Solution that resists change in pH, contains either a weak acid and a soluble ionic salt of the acid or a weak base and a soluble ionic salt of the base.

Electron Affinity

The amount of energy absorbed in the process in which an electron is added to a neutral isolated gaseous atom to form a gaseous ion with a 1- charge, has a negative value if energy is released.

Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.

Alkenes (Olefins)

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