CLEMSON CHEMISTRY 1020 EXAM 1
QUESTIONS WITH CORRECT ANSWERS 2025
EnthalpyE(H)EisEnegativeE-ECORRECTEANSWERE-exothermic--
flowsEfromEtheEsystemEintoEtheEsurroundings
EnthalpyE(H)EisEpositiveE-ECORRECTEANSWERE-endothermic--
EflowsEfromEtheEsurroundingsEintoEtheEsystem
EntropyE(S)EisEnegativeE-ECORRECTEANSWERE-randomnessEofEtheEsystemEdecreases
EntropyE(S)EisEpositiveE-ECORRECTEANSWERE-randomnessEofEtheEsystemEincreases
Entropy:EstateEfunctionEorEnah?E-ECORRECTEANSWERE-
entropyEisEaEstateEfunctionE(ChangeEinES=ES(final)-S(initial)
TemperatureE(entropy)E-ECORRECTEANSWERE-
asEtemperatureEincreasesEtheErandomEmolecularEmotionEincreasesE--
>EkineticEenergyEofEmoleculesEincreaseE--.EThereforeEentropyEincreases
1stElawEofEThermodyamicsE-ECORRECTEANSWERE--
inEanyEprocess,EspontaneousEorEnonEspontaneous,EtheEtotalEenergyEofEaEsystemE&EitsEsurroundings
EisEconstant
2ndElawEofEThermodynamicsE-ECORRECTEANSWERE--
theEprincipleEthatEtheEtotalEentropyEofEtheEuniverseEincreasesEinEanyEspontaneousEprocess
-changesuniverse=changessys+changessurr
ChangsuniverseE(signs)E-ECORRECTEANSWERE-S>0E=EspontaneousE
S<0E=EnonEspontaneousE
QUESTIONS WITH CORRECT ANSWERS 2025
EnthalpyE(H)EisEnegativeE-ECORRECTEANSWERE-exothermic--
flowsEfromEtheEsystemEintoEtheEsurroundings
EnthalpyE(H)EisEpositiveE-ECORRECTEANSWERE-endothermic--
EflowsEfromEtheEsurroundingsEintoEtheEsystem
EntropyE(S)EisEnegativeE-ECORRECTEANSWERE-randomnessEofEtheEsystemEdecreases
EntropyE(S)EisEpositiveE-ECORRECTEANSWERE-randomnessEofEtheEsystemEincreases
Entropy:EstateEfunctionEorEnah?E-ECORRECTEANSWERE-
entropyEisEaEstateEfunctionE(ChangeEinES=ES(final)-S(initial)
TemperatureE(entropy)E-ECORRECTEANSWERE-
asEtemperatureEincreasesEtheErandomEmolecularEmotionEincreasesE--
>EkineticEenergyEofEmoleculesEincreaseE--.EThereforeEentropyEincreases
1stElawEofEThermodyamicsE-ECORRECTEANSWERE--
inEanyEprocess,EspontaneousEorEnonEspontaneous,EtheEtotalEenergyEofEaEsystemE&EitsEsurroundings
EisEconstant
2ndElawEofEThermodynamicsE-ECORRECTEANSWERE--
theEprincipleEthatEtheEtotalEentropyEofEtheEuniverseEincreasesEinEanyEspontaneousEprocess
-changesuniverse=changessys+changessurr
ChangsuniverseE(signs)E-ECORRECTEANSWERE-S>0E=EspontaneousE
S<0E=EnonEspontaneousE