Decomposition of Nitrogen Triiodide Decomposition of Nitrogen Triiodide

Decomposition of Nitrogen Triiodide

Decomposition of Nitrogen Triiodide NI 3 2 NI 3(s) N 2 I 2 N 2(g) + 3 I 2(g)

Exothermic Reaction Reactants Products + Energy 10 energy = 8 energy + 2 energy Energy of reactants Energy of products Reactants -DH Products Reaction Progress

Endothermic Reaction Energy + Reactants Products Energy Activation Energy Reactants Products +DH Endothermic Reaction progress

Effect of Catalyst on Reaction Rate What. Catalyst is a catalyst? does it do duringfor a chemical reaction? lowers. What the activation energy the reaction. No catalyst Energy activation energy for catalyzed reaction reactants products Reaction Progress

An Energy Diagram activated complex Ea activation energy reactants products course of reaction Animation by Raymond Chang All rights reserved

Energy Sources in the United States 100 91 Percent 80 71 70 60 58 50 40 40 21 20 26 20 9 5 10 3 16 10 0 1850 Wood 1900 Coal Zumdahl, De. Coste, World of Chemistry 2002, page 307 1940 1980 Petroleum / natural gas 1990 Hydro and nuclear

Energy Sources in the United States 100 91 Percent 80 71 70 60 58 50 40 40 21 20 26 20 9 5 10 3 16 10 0 1850 Wood 1900 Coal Zumdahl, De. Coste, World of Chemistry 2002, page 307 1940 1980 Petroleum / natural gas 1990 Hydro and nuclear

Energy Sources in the United States 100 91 Percent 80 71 70 60 50 40 40 20 58 50 21 9 26 20 5 10 3 16 10 21 26 0 1850 Wood 1900 Coal Zumdahl, De. Coste, World of Chemistry 2002, page 307 1940 1980 Petroleum / natural gas 1990 2005 Hydro and nuclear

Energy Conversion fan electrical energy to mechanical energy light bulb electrical energy to light energy to thermal and radiant energy pencil sharpener electrical energy to mechanical energy Timberlake, Chemistry 7 th Edition, page 202 coffee maker electrical energy to thermal energy