Kelompok 3 Otk 1.docx

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Kelompok 3 1. Ayu Serlina

(061730400315)

2. Fadhillah Shandy

(061730400318)

3. Lisa Laila Septa

(061730400321)

4. Muhammad Salman Alfarizi (061730400325) Kelas : 4 KB Mata Kuliah : Operasi Teknik Kimia 1 Dosen Pengajar : Dr.Ir.M Yerizam,M.T. 6.4.1 Prediction of diffusivity of enzyme urease in solution. Predict the diffusivity of the enzyme urease in a dilute solution in water at 298 k using the modified poison equation and complate the result with the experimental value in table 6.4.1 Ans predicted D AB =3.995 X 10-11 m2/s

6.4.1 Enzim urase dalam larutan encer di dalam air pada suhu 298 k menggunakan persamaan poison yang telah dimodifikasi dan membandingkan hasilnya dengan nilai experimental pada tabel 6.4.1. Jawab: Diket: T

=298 K

MA

=482700 Kg/Kgmol

𝜇 H2O Pada 25℃

=0,8937 x 10-3 Pa.s

Dit: DAB .................? Penyelesaian: Persamaan Poison DAB = 9,40 X 10-15 .T 𝜇 (MA)1/3

= 9,40 X 10-15 .289 K (0,8937 X 10-3 Pa.s)(482700 Kg/Kgmol)1/3 =2801,2 X 10-15 K 70,105300846 x 10-3 = 3,9957 x 10-11 m2/s Hasil ini 0,35 % lebih rendah dari hasil perhitungan pada tabel 6.4.1 yaitu 4,01 x 10-11 m2/s

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