chem107f09wk2S

chem107f09wk2S - We may lay it down as an incontestable...

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Unformatted text preview: We may lay it down as an incontestable axiom that, in all the operations of art and nature, nothing is created; an equal amount of matter exists both before and after the experiment. Upon this principle, the whole art of performing chemical experiments depends.--Antoine Lavoisier, 1789 http://en.wikipedia.org/wiki/Antoine_Lavoisier Chemical Reactions and Conservation of Mass Chp. 3.2 CH 4 ( g ) + 2 O 2 ( g ) CO 2 ( g ) + 2 H 2 O ( g ) reactants products Chemical equations must always be balanced. Chemical Equations Chp. 3.2 hen a hydrocarbon, C x H y , is burned in air (oxygen) water and arbon dioxide are produced. Chemical Equations: Combustion Chp. 3.2 C 2 H 6 (g) + O 2 (g) H 2 O(g) + CO 2 (g) C 3 H 8 (g) + O 2 (g) H 2 O(g) + CO 2 (g) Chemical Equations: Combustion Analysis Chp. 3.2 2C 2 H 6 (g) + 7O 2 (g) 6H 2 O(g) + 4CO 2 (g) olution homogenous mixture of two or more substances. olutions may be liquid, solid or gaseous. olvent substance present in the greatest quantity. olute substances other than the solvent. Solutes are said to be dissolved in the solvent....
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chem107f09wk2S - We may lay it down as an incontestable...

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