Thermodynamics Exam #1Questions and Answers Updated 2026

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Thermodynamics Exam #1Questions and Answers Updated 2026

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Thermodynamics Exam #1Questions and Answers Updated 2026

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Thermodynamics
Exam #1Questions and
Answers Updated 2026
extensiveBpropertiesB-
BAnswerBpropertiesBthatBdoBdependBonBtheBamountBofBmatterBpresentB(variesBdirect
lyBwithBmass)

ex:Bmass,Bweight,Bvolume,Blength,BtotalBinternalBenergy

intensiveBpropertiesB-
BAnswerBpropertiesBthatBdoBNOTBdependBonBtheBamountBofBmatterBpresentB(indepe
ndentBofBmass)

ex:Bcolor,Bodor,Bdensity,BboilingBpoint,Bmelting/freezing,Bconductivity,Bhardness

1stBLawBofBThermodynamicsB-BAnswerBconservationBofBenergy

energyBisBaBthermodynamicsBproperty

2ndBLawBofBThermodynamicsB-BAnswerBenergyBhasBqualityBandBquantity

actualBprocessesBoccurBinBdirectionBofBdecreasingBquality

closedBsystemB-BAnswerBsystemBhasBaBfixedBmass,BnoBmassBcanBenterBorBleave

heatBandBworkBcanBcrossBboundaryBofBaBclosedBsystem

openBsystemB-BAnswerBmassBtransferBoccursBacrossBboundary

, thermodynamicBequilibriumB-
BAnswerBmaintainsBthermal,Bmechanical,Bphase,BandBchemicalBequilibrium

quasi-staticBorBquasi-equilibriumBprocessB-
BAnswerBsystemBisBpracticallyBinBequilibriumBatBallBtimes

ZerothBLawBofBThermodynamicsB-
BAnswerBTwoBbodiesBareBinBthermalBequilibriumBifBbothBhaveBtheBsameBtemperature
BreadingBevenBifBtheyBareBnotBinBcontact

gageBpressureB-BAnswerBdifferenceBbetweenBabsoluteBandBlocalBatmosphericBpressure

P_gageB=BP_absB-BP_atm

vacuumBpressureB-BAnswerBpressureBbelowBatmosphericBpressure

P_vacB=BP_atmB-BP_abs

VariationBofBpressureBwithBelevationB-BAnswerBdP/dzB=B-ρg

totalBenergyB-
BAnswerBsumBofBallBformsBofBenergyBofBaBsystemB(internal,Bkinetic,BandBpotential)

internalBenergyB-
BAnswerBmolecularBenergyBofBaBsystem,BmayBexistBinBsensible,Blatent,Bchemical,Band
BnuclearBforms

mechanicalBenergyB-
BAnswerBformBofBenergyBthatBcanBbeBconvertedBtoBmechanicalBworkBcompletelyBand
BdirectlyBbyBaBmechanicalBdeviceBsuchBasBanBidealBturbine

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Type: Exam (elaborations)
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