Re: Explain Law of Conservation of Matter and Energy

On 28 Dec 2005 19:45:53 -0800, "CrazyGlue" <Drifta12@xxxxxxxxx> wrote:

>So the title says it all. I'm a high school student and I have to write
>a 4-5 page essay on this law for my chemistry class. I've searched
>google and couldn't find anything, except short definitions of the law.
>So can anyone give some information about the law or set up a outline
>on how I should go about doing research on this law. Or what I should
>do about getting started. Much is appreciated

The first thing to do is to separate this into two laws, conservation
of mass and conservation of energy. That is historically relevant, and
as a practical matter is adequate for ordinary chemistry. (I hope you
googled on them separately.)

If at some point you want to combine them, getting into the
interconversion of mass and energy, you are into the advanced physics
area of Einstein E = mc^2. It may be fun, but not easy at a HS chem
level for most. I would be inclined to suggest you not go there at
least until you have thoroughly developed the separate laws.

The separate laws should be in any chem book, and are the basis of
much that you do. If you have gotten to writing chemical equations and
doing stoichiometry problems, you know that. It is probably good to
read what different books have to say -- starting with your own book.

(If you have access to a college library, or a good bookstore, go
browse!)

If you get too many hits searching on conservation of mass, try adding
some additional terms, such as history, or phlogiston.

bob
.

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