Chapter 3 Types of Reactions

Chapter 3 Types of Reactions - Combination Reactions In...

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Combination Reactions Examples: – 2Mg( s ) + O 2 ( g ) → 2MgO( s ) – N 2 ( g ) + 3H 2 ( g ) → 2NH 3 ( g ) – C 3 H 6 ( g ) + Br 2 ( l ) → C 3 H 6 Br 2 ( l ) In combination reactions two or more substances react to form one product.
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An important Combination reaction N 2 ( g ) + 3H 2 ( g ) → 2NH 3 ( g ) Fritz Haber 1868 –1934 1918 Nobel Prize Naturally extracted nitrate production in Chile fell from 2.5 million metric tonnes (employing 60,000 workers and selling at $45/tonne) in 1925 to just 800,000 tonnes, produced by 14,133 workers, and selling at $19/tonne in 1934.
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In a decomposition reaction one substance breaks down into two or more substances. Decomposition Reactions Examples: – CaCO 3 ( s ) → CaO( s ) + CO 2 ( g ) – 2KClO 3 ( s ) → 2KCl( s ) + O 2 ( g ) – 2NaN 3 ( s ) → 2Na( s ) + 3N 2 ( g )
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Combustion Reactions Examples: – CH 4 ( g ) + 2O 2 ( g ) → CO 2 ( g ) + 2H 2 O( g ) – C 3 H
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This note was uploaded on 11/08/2011 for the course CHM 2045 taught by Professor Geiger during the Fall '08 term at University of Central Florida.

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Chapter 3 Types of Reactions - Combination Reactions In...

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