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TUGAS DINAMIKA KIMIA

Nama : Eva Qomariyah Mabruroh

NIM : 4311413038

Rombel : 001

BAB 2

3) The catalysed decomositio! o" #$%$ i! a&ueous solutio! 'as "ollo'ed by titrati!(

samles 'ith M!%4 at various time i!tervals to determi!e u!decomosed #$%$

Time*mi! + 10 $0 30 +0

,olume o" M!%4*cm3 3-.1 $/.8 1/. 1$.3 +.0

ho' (rahically that the reactio! is "irst order a!d determi!e the rate co!sta!t.

2a'ab :

0 20 40 600

10

20

30

40

f(x) = - 0.7x + 36.8

R² = 0.93

vol KMnO4/cm3

vol KMnO4/cm3

Ln!"# (vol

KMnO4/cm3)

t/m

vol KMnO4/cm3

sloe 05/-+8

sloe 6r*$.303

6r 150+

+) 7uri!( the hydrolysis o" a! al6yl bromide

  Rr 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.- ; 103s 'ith i!itially 0.1 mol*dm3 o" both

reacta!ts.

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04

t$

45-0E9

03

a1 0501

a$ 051;1 0500+

a1;1 0500+

1*=a1

;1) $00

1*a1 100

r $513E03

-) The !eutralisatio! reactio! o" !itroetha!e i! a&ueous solutio! roceeds accordi!(

to the rate e&uatio!

−¿OH 

¿

−d [OH ]

dt   =

−d [C 2 H 

5 N O

5]

dt   =k [C 2 H 5  NO2 ]¿

E;erime!t at 00< 'ith i!itial co!ce!tratio! o" both reacta!ts e&ual to 0.01mol*dm 3

(ive a value o" 1+0 s "or the reactio! hal"li"e.

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BAB 3

3) The hydrolysis o" tbutyl iodide "ollo's "irstorder 6i!etics at $0<

utI 9 #$% ut%# 9 #I

The co!ductivity o" the solutio! 'as measured 'ith time as "ollo's

Time*mi! 0 $ 4 8 10 1- $$ $8 ?

10 ; co!ductivity*   Ω

1m1

+.+ 13.0 $0.0 $.0 31.0 3.0 4.0 +1.+ +.0 +.0

2a'ab :

(ra"i6

 

0 % 10 1% 20 2% 30

0

0.%

1

1.%

2

loe 050$/13

loe 6r*$5303r 050-08

+) The otical rotatio!s @ "or the mutarotatio! o" @(lucose at $00< are as "ollo's

@*de(rees $0.$ 18./$ 1.8$ 1+.$$ 14.0

13.18 10.0

Time*mi! 10 $0 40 0 80 100 e&uilibrium

ho' that the reactio! is "irst order a!d calculate the rate co!sta!t

61 9 61

2a'ab :

Rea6si orde satu:

@0 @? /5 853$ 5$$ 45$ 354 $5+8

lo(10A@0 @?B 05/84/ 05/$01 05-/38 054 05+3/1 05411

time*mi! 10 $0 40 0 80 100

(ra"i6

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0 20 40 60 80 100 120

0

0.2

0.4

0.6

0.8

1

1.2

loe 05003-

loe 6r*$5303

r 05014-

-) Reactio! o" diaceto!e alcohol 'ith al6ali to (ive aceto!e roduces a volume

cha!(e5 'hich is measured o! a cathetometer as the reactio! roceeds. Crom the

"ollo'i!( data obtai!ed by D. >6erlo" =J. Am. chem. Soc., 4/ =1/$-)5 $/++) 'ith +

erce!t diaceto!e alcohol by volume i! a %# solutio! o" co!ce!tratio! $ mol dm 35

calculate the order a!d the rate co!sta!t.

Time*s

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0 20 40 60 80 100 120 140 160 180 200

0

0.%

1

1.%

2

  loe 0500-83

  loe 6r*$5303

r 0501803

/) The decomositio! o" ethyle!e o;ide

 

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0 2 4 6 8 10 12 14 16 18 20

1.9

1.9%

2

2.0%

2.1

  loe 0500+8/

  loe 6r*$5303

r 05013