化学反应工程作业文档格式.docx

化学反应工程作业文档格式.docx

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1:

Foragasreactionat400Ktherateisreportedas

dp2A?

3.66?

phratm/

Adt（a）Whataretheunitsoftherateconstant?

（b）Whatisthevalueoftherateconstantforthisreactionifthe

rateequationisexpressedas

dN132As.mol/mr?

?

kC,?

AAdtV

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2:

Fortheelementaryreactionsinseries

C?

A0Akk0,att?

R?

S,kk?

A?

21210C?

0RS0findthemaximumconcentrationofRandwhenitisreached.

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3:

GivenagaseousfeedT=1000K,π=5atm,C=100,C=200,,B000A0T=400K,π=4atm,C=20.FindX,X,C.

B5,BABA

4:

AgaseousfeedofpureA（1mol/liter）entersamixedflowreactor

（2liters）andreactsasfollows:

2A?

R,mol2C?

0.05?

r

AAliter?

secFindwhatfeedrate（liter/min）willgiveanoutletconcentration

C=0.5mol/lliter.A

5:

Thekineticsoftheaqueous-phasedecompositionofAis

investigatedintwomixedflowreactorsinseries,thesecondhaving

twicethevolumeofthefirstreactor.Atsteadystatewithafeed

concentrationof1molA/literandmeanresidencetimeof96secin

thefirstreactor,theconcentrationinthefirstreactoris0.5mol

A/literandinthesecondis0.25molA/liter.

Findthekineticequationforthedecomposition.

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6:

TisthedesiredproductandC=5.

A03inkmol/maofradiation,reactantAC=10ultravioletUnderA03/min）decomposesasfollows.

processstream（v=lm

Wewishtodesignareactorsetupforaspecificduty.Sketchthe

schemeselected,andcalculatethefractionoffeedtransformedinto

desiredproductaswellasthevolumeofreactorneeded.

7:

Whenoxygenisbubbledthroughahigh-temperaturebatchof

A-containingliquidmaterial,Aoxidizesslowlytogiveaslowly

decomposingintermediateXandfinalproductR.Herearetheresultsof

anexperiment:

WehavenowayofanalyzingforX;

however,wearesafeinassuming

thatatanytimeC+C+C=C.WhatcanwesayaboutthemechanismA0RAXandkineticsofthisoxidation?

Hint:

plotthedataandexaminetheplot.

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