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An equation that describes the behavior of matter in a given state, the van der Waals equation describes the behavior of the gaseous state.

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Hess' Law of Heat Summation

The enthalpy change for a reaction is the same whether it occurs in one step or a series of steps.

Acetic Acid

CA3COOH, clear, colorless liquid, pungent odor. Boiling point 140C, flash point 54C (closed cup), autoignition temperature 38OC.

Energy

The capacity to do work or transfer heat.

Atomic Number


Integral number of protons in the nucleus, defines the identity of element.
 

Oil

Liquid triester of glycerol and unsaturated fatty acids.

Ligand

A Lewis base in a coordination compound.

Ideal Gas Law

The product of pressure and the volume of an ideal gas is directly proportional to the number of moles of the gas and the absolute temperature.

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Polarimeter

A device used to measure optical activity.

Polymorphous

Refers to substances that crystallize in more than one crystalline arrangement.