jawaban dinamika kimia

TUGAS DINAMIKA KIMIA

Nama

: Eva Qomariyah Mabruroh

NIM

: 4311413038

Rombel

: 001

BAB 2

3) The catalysed decomositio! o" # $%$ i! a&ueous solutio! 'as "ollo'ed by titrati!( samles 'ith M!%4 at various time i!tervals to determi!e u!decomosed #$%$ Time*mi! + 10 $0 30 +0 3 ,olume o" M!%4*cm 3-.1 $/.8 1/. 1$.3 +.0 ho' (rahically that the reactio! is "irst order a!d determi!e the rate co!sta!t. 2a'ab :

vol KMnO4/cm3 40 30 vol KMnO4/cm3

20 10

f(x) = - 0.7x + vol 36.8 KMnO4/cm3 R² = 0.93 Ln!"# (vol KMnO4/cm3)

0 0 20 40 60 t/m

sloe  05/-+8 sloe  6r*$.303 6r 150+ +) 7uri!( the hydrolysis o" a! al6yl bromide Rr 9 %#  R%# 9 r  i! a&ueous alcohol5 it 'as "ou!d that it too6 4- ; 10 3 s to liberate 0.00+ mol*dm3 o"  "ree bromide io! 'he! the i!itial reacta!t co!ce!tratio!s 'ere both 0.01 mol*dm3. The same erce!ta(e co!versio! too6 4.- ; 10 3s 'ith i!itially 0.1 mol*dm 3  o" both reacta!ts. t0.+

0$< 0501 1+0

t0.+  1*=r.a)   r

05-

/) I! the seco!dorder reactio! bet'ee! isobutyl bromide a!d sodium etho;ide i! etha!ol at /+0