CHEM 1133 Midterm: Chapter 16 Chemical Kinetics Study Guide
Document Summary
Favorable according to thermodynamics but no rxn is observed under normal conditions (too slow -- Factors that influence reaction rates kinetics: particles must collide in order to react, the higher the concentration of reactants, the greater the rxn rate. A higher concentration of reactant particles allows a greater number of collisions: the physical state of the reactants influences rxn rate. Substances must mix in order for particles to collide -- increased surface area to interact: the higher the temperature, the greater the rxn rate. At a higher temp, particles have more energy and can collide more often and more effectively: reaction rate is measured in terms of the changes in concentrations of reactants of products per unit of time. Expressing the reaction rate: (cid:1801)(cid:1820)(cid:1805)=(cid:4666)(cid:1803)(cid:1808)(cid:1801)(cid:1814)(cid:1807)(cid:1805) (cid:1809)(cid:1814) (cid:1803)(cid:1815)(cid:1814)(cid:1803)(cid:1805)(cid:1814)(cid:1820)(cid:1818)(cid:1801)(cid:1820)(cid:1809)(cid:1815)(cid:1814) (cid:1815)(cid:1806) (cid:1775)(cid:4667) (cid:1803)(cid:1808)(cid:1801)(cid:1814)(cid:1807)(cid:1805) (cid:1809)(cid:1814) (cid:1820)(cid:1809)(cid:1813)(cid:1805) = [(cid:1775)] (cid:1820: square brackets indicate a concentration in moles per liter.
