CHEM1811 Lecture Notes - Lecture 5: Alkene, Energy Economics, Halogenation
. CHEM1811 Lccture 03
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qryLffi. Lecture 3: Flow and Chemistry
CHEM181'1: Engineering Chemistry 1A
Stuart Prescott
Room 706
Chemical Sciences Building (F10)
\- Material balance
I
-r4f
lnput: volumetric flow rate: og
mass flow rate: pug
Generation: none!
We first do by drawing a bcundary around a system.
Output: volumetric flow rate: o1
mass flcw rate: {r"-r
Accumulation: none!
l Bcz therqls no cbgnistry creating (Pondglwayg e!l!e same depth)
twater. )lnput t Generation : Output * Accumulation
Puo *0: pltt * 0
dg. : a7
(Assuming density is constant: is it?)
:. --N?aEid ltaldire 1€adp :r ': Bwg3 / ?z zatT
Describing flow for chemistry
NaOH
C - 0.10 moll II ls the reaction being undertaken
with correct stoichiometry?
How do we describe the rate of
production?
Amount,o.f material (number of
mctgs]. qggi{rg.per goit,of time
UrriBlr*iql,E-1
H+ + OH- -----+ HrO
molar flow rate : concentration x volumetric flow rate
Fx : Cxtx
Marsiar tarahcs rea, (molls) = {mol/L) (t/s)
Il;rrTl";'.:*"p tlnorrsi, = (mor/L, (L/tt, ffirNpy,
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