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Department
Biological Sciences
Course
BIOL 1201
Professor
All Professors
Semester
Winter

Description
10042011ChemicalReactionsOccuranytimetwoormoreatomsionsormoleculescollideinasuchawaythattheyproduceanewsubstanceLawsofThermodynamicsFirstLawEnergycanneitherbecreatednordestroyedonlyconvertedfromoneformtoanotherSecondLawWhenconvertingenergyfromoneformtoanothertheamountofusefulenergydecreasesTypesofChemicalReactionsSpontaneousCanoccurwithoutoutsidehelpenergyNonSpontaneousCanoccuronlywithoutsidehelpenergyFreeEnergyEnergythatisfreeandavailabletodoworkFigure85TheamountofenergywhenforreactionsprocessesoccurFreeEnergyandChemicalReactionsSpontaneousReleasefreeenergyexergonicNonSpontaneousRequirefreeenergyendergonicFigure86ChangesinFreeEnergyDGDHTDSGFreeEnergyHEnthalpyTTemperatureKSEntropyIfDGisnegativeexergonicIfDGispositiveendergonicClickerQuestionAspontaneousreactionoccurringat100Kandwitha250KcalincreaseinenthalpymusthavethefollowingchangeinentropyAnswerE35KcalDGmustbenegativebecauseitisspontaneous250Kcal10035100Anonspontaneousreactionsoccurringat200Kwitha150KcaldecreaseinenthalpyhaswhichofthefollowingchangesinentropyAnswer150Kcal2001050
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