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The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.

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Intermolecular Forces

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

Valence Shell Electron Pair Repulsion Theory

Assumes that electron pairs are arranged around the central element of a molecule or polyatomic ion so that there is maximum separation (and minimum repulsion) among regions of high electron density.

 

Chemical Equation

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.

Evaporation Rate

The rate at which a particular substance will vapourize (evaporate) when compared to the rate of a known substance such as ethyl ether. This term is especially useful for health and fire-hazard considerations.

Mass

A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.

Saponification

Hydrolysis of esters in the presence of strong soluable bases.

Molecular Orbital Theory

A theory of chemical bonding based upon the postulated existence of molecular orbitals.

Percent Composition

The mass percent of each element in a compound.

Amino Acid

Compound containing both an amino and a carboxylic acid group.The --NH2 group.

K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.