Mixtures

Mixtures are primarily of two types: homogeneous and heterogenous. Homogenous mixtures have uniform properties, are said to consist of only one phase, and are called solutions. Heterogenous mixtures do not have uniform properties and have two or more phases, meaning that there is some kind of boundary between their components.

   

Heterogenous mixtures

These are mixtures that are composed of substances in more than one phase or state. They generally do not have uniform properties.

Solutions

Solutions generally have one predominant component, called the solvent, and other components called solutes. These are generally classified as solid solutions, liquid solutions, and gaseous solutions.


History Mixtures have been recognized since antiquity, through classical and medieval times, and in modern times, but details are lacking.

 

Sociology including social structure and change, communities, and peoples of the world does not seem at first clange to be extremenly important, but developments can be followed.

Applications of personal studies, institutions, anthropology, and culture to studies of mixtures will be added as the site develops.

Connections of astronomy, earth science, and biology will also be included as the site develops.

The chemical changes that may take place in mixtures and the mixtures in particular systems will also be mentioned, as chemical properties.

Their composition, in terms of elements based less on the periodic table than classification, and compounds including inorganic and organic compounds will also be included.

Physical properties of mixtures can be discussed. These include mechanical properties. Particle mechanics including particle description, kinematics, kinetics, energetics, and particle systems seems to be minimally useful. Rigid body mechanics including rigid body descrption, rotation, statics, and dynamic systems also minimally useful. Nonrigid body mechanics are somewhat more useful. Gravitation is minimally useful. Electromagnetic and thermodynamic properties are also useful. Relativity and quantum mechanics are less directly useful. These depend on structure. Subatomic physics is only indirecly useful. Atomic and molecular physics are more important, and forms of bulk matter are even more important.


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© 2004-2008 Thad Coons
Created 8 Apr 2004, Updated 20 Feb 2008