10-15 - Thermodynamics Will the rxn happen? The study of...

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Thermodynamics Kinetics The study of energy & its transformations Energy content of reactants & products Enthalpy Heat content Entropy Disorder Will the rxn happen? Section 9.0 How fast & by what mechanism will the reaction occur?
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Mother Nature Heat Miser Cold Miser We are not going to fool with Mother Nature. We are just going to try to understand her.
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In thermodynamic terms, reactions in which energy is lost are preferred (also know as exothermic) What happens in Jurassic Park when Mother Nature is in charge? #1 – The fences lose energy.
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What happens in Jurassic Park when we let  Mother Nature have her way? #2 – The dinosaurs spread out over the park.  In thermodynamic terms, reactions in which energy is spread out are preferred (also know  S > 0)
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Section 9.1 Energy is neither created nor destroyed  in any process.   The “form” of the energy can change in a process.   Heat: disorganized energy something we feel Work: organized energy something we see
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E system = q + w Heat: disorganized E Work: organized E E univ = E system + E sur = ZERO q > 0:  heat is absorbed by the system q < 0:  heat is released from the system Section 9.1 w > 0:  work is done on the system w < 0:  work is done by the system
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10-15 - Thermodynamics Will the rxn happen? The study of...

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