Class notes
Fisicoquímica II
- Course
- Institution
Problemario de Fisicoquímica II
[Show more]
Seller
Follow
brendajakelin29
Content preview
Fisicoquímica IIProblemario Unidad 3
1. En la descomposición en paralelo de A el producto deseado es C.
A → B υ B=1
A →C υC =2C A
A → D υ D =C 2A
Determinar la máxima concentración de C en un reactor discontinuo cuando CA0 = 4 mol/L
(CC = 1.6188 mol/L)
Solución:
C A 0=4 mol /L
dC B
=1
dt
−dC A
=1+2 C A +C 2A
dt
dC C
=2C A
dt
dC D
=C 2A
dt
dC C 2 CA
=
−dC A 1+ 2C A +C 2A
[ ]
CA
2CA 2
∫ dCC =−∫ 2
dC A = 2 ln ( C A +1 ) +
C A +1
C AB ( C A +1 )
[
C C = 2 ln ( 0+1 ) +
2
0+1 ][
− 2 ln ( 4+1 ) +
2
4 +1 ]
=−[ 2−3.6188 ] =1.6188 mol/ L
3. Se realizó un experimento de 17 minutos y se encontró un sistema de ecuaciones
paralelas al utilizar una concentración del reactivo de 1 mol/L. Usando los datos
, experimentales contenidos en la tabla, calcula las constantes de ambas reacciones y
determina cual es la reacción más rápida.
(k1 = 9.006x10-4 s-1; k2 = 1.8994x10-3 s-1)
A k1 B
→
A k2 C
→
[A] mol/L [B] mol/L [C] mol/L t (s) ln (CA)
1 0 0 0 0
0.997 0.000899 0.0019 1 -0.00300451
0.986 0.00447 0.00943 5 -0.01409892
0.972 0.00888 0.0187 10 -0.02839947
0.959 0.0132 0.0279 15 -0.0418642
0.946 0.0175 0.037 20 -0.05551271
0.932 0.0217 0.0459 25 -0.07042246
0.919 0.0259 0.0547 30 -0.08446916
0.907 0.03 0.0633 35 -0.09761283
0.894 0.0341 0.0719 40 -0.1120495
0.882 0.0381 0.0803 45 -0.12556322
0.869 0.042 0.0886 50 -0.14041215
0.857 0.0459 0.0969 55 -0.15431736
0.845 0.0497 0.105 60 -0.16841865
0.834 0.0535 0.113 65 -0.18152188
0.822 0.0572 0.121 70 -0.19601488
0.811 0.0609 0.129 75 -0.20948722
0.799 0.0645 0.136 80 -0.22439433
0.788 0.0681 0.144 85 -0.23825719
0.777 0.0716 0.151 90 -0.25231493
0.766 0.0751 0.158 95 -0.26657311
0.756 0.0785 0.166 100 -0.2797139
0.657 0.11 0.233 150 -0.42007126
0.571 0.138 0.291 200 -0.56036607
0.497 0.162 0.342 250 -0.69916525
0.432 0.183 0.386 300 -0.83932969
0.375 0.201 0.424 350 -0.98082925
0.326 0.217 0.457 400 -1.1208579
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller brendajakelin29. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $6.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83662 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now