sifas kelompok 3
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SISTEM FASA
KELOMPOK 3
Azhar Yogaswara S
DellaNurmalasari
Ervita Shelvia
Galih Senja A
Nisrina Nadhifah
Puti Rahmi A
Resi Annisaa R
Shabrina Ayu P
asya !amilia
"anti #egawati
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$%&a
Na'hthalene( )*+,-( melts at -+%./)% 0f the va'our 'ressure of theli1uid is *+ torr at -2%- /) and 3+
torr at **&%4 /)( use the )lausius5)la'eyron e1uation to 6al6ulate 7a8the enthal'y of va'orization( 7b8
the normal boiling 'oint( and 768the enthal'y of va'orization at theboiling 'oint%
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Kurva kesetimbangan cair-gas
Pada 'ersamaan 6lausius 6la'eyron terda'at hubungante9anan ua'( suhu( dan ental'i 'engua'an%
d7ln P8 : d ; <,eva'(m : R. = Pers% )lausius )la'eyron
0ntegral 'ers% di atas >P
? d ln P ; <,eva'(m : R ? d :.
P@ @
<,eva'(m diangga' 9onstan 7ta9 bergantung 'ada 8
ln P : P@ ; <,eva'(m : R 7 *: 5 *:@8
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Di9etahuiB
P* ; *+ torr ; *(444 !Pa
P. ; 3+ torr ; 2(44. !Pa
* ; -2(-+) ; 42-(- !
. ; **&(4+) ; 4&.(4 !
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a8 he enthal'y of va'orization
; C
R C
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b8 he normal boiling 'oint
P ; *+*(4.2 !Pa
3(44+ ; 2-.2(& !
3(44+ ; F *$(.4
;
; 3-&(.& !
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68 he enthal'y of va'orization atthe boiling 'oint
;
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$%*+a
)al6ulate the melting 'oint of i6eunder a 'ressure of 2+ bar%Assume that the density of i6e
under these 6onditions isa''roCimately +%&. g 6m4 andthat of li1uid water is *%++ g
6m4%
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Di9etahuiB
P ; 2+ barr ; 2%+++%+++ Pa
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; Hair 5 Hes ;
;
; *(2$2 6m4:mol
; *(2$2 C *+$ m4:mol
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;; .4 ! F
; .4 ! 5 +(43- !
; ..(2$. !
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2
urun9an 'ersamaan 'ada batas'adat ua' dari 'ersamaan)la'eyronI
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