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Hydrocarbons that contain double or triple carbon-carbon bonds.

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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.

Density

Density is the ratio b/w Mass and Volume: D=M/V

Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Electronegativity

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

Atom

The smallest particle of an element.

Cyclotron

A device for accelerating charged particles along a spiral path.

Third Law of Thermodynamics

The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.

Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

Aldehyde

Compound in which an alkyl or aryl group and a hydrogen atom are attached to a carbonyl group and a hydrogen atom are attached to a carbonyl group, general formula, O-R-C-H

 

Differential Scanning Calorimetry (DSC)

A technique for measuring the temperature, direction, and magnitude of thermal transitions in a sample material by heating/cooling and comparing the amount of energy required to maintain its rate of temperature increase or decrease with an inert reference material under similar conditions.