Chapter 12: Chemical Kinetics Focus on the question ? How fast does it happen? More closely we?ll look at the speeds, or rates at which chemical reactions occur The area of chemistry concerned with reaction rates and sequence of steps by which reactions occur is called chemical kinetics Subject of crucial environmental, biological, and economic importance 12.1 Reaction Rates Chemical reactions differ greatly Examples: Combination of Na and Br, occur instantly Rusting of Fe, imperceptibly slow To describe a reaction rate quantitatively Need to specify How fast the concentration of a reactant or product changes per unit time Rate =
kinematics
Chapter 12: Chemical Kinetics Focus on the question ? How fast does it happen? More closely we?ll look at the speeds, or rates at which chemical reactions occur The area of chemistry concerned with reaction rates and sequence of steps by which reactions occur is called chemical kinetics Subject of crucial environmental, biological, and economic importance 12.1 Reaction Rates Chemical reactions differ greatly Examples: Combination of Na and Br, occur instantly Rusting of Fe, imperceptibly slow To describe a reaction rate quantitatively Need to specify How fast the concentration of a reactant or product changes per unit time Rate =
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