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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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Energy

The capacity to do work or transfer heat.

Hydrogen Bond

A fairly strong dipole-dipole interaction (but still considerably weaker than the covalent or ionic bonds) between molecules containing hydrogen directly bonded to a small, highly electronegative atom, such as N, O, or F.

Temperature

A measure of the intensity of heat, i.e. the hotness or coldness of a sample. or object.

Ampere

Unit of electrical current, one ampere equals one coulomb per second.

 

Denatured

A commercial term used to describe ethanol that has been rendered unfit for human consumption because of the addition of harmful ingredients to make it sales tax-expempt.

 

Base

A substance that produces OH (aq) ions in aqueous solution. Strong soluable bases are soluble in water and are completely dissociated. Weak bases ionize only slightly.

Essential Oil

A plant extract that has a distinctive odour or flavour.

Mass Deficiency

The amount of matter that would be converted into energy if an atom were formed from constituent particles.

Common Ion Effect

Suppression of ionization of a weak electrolyte by the presence in the same solution of a strong electrolyte containing one of the same ions as the weak electrolyte.

Alkaline Battery

A dry cell in which the electrolyte contains KOH.