Tarea 4- 4C- 2doparcial

UNIVERSIDAD DE GUAYAQUIL FACULTAD DE INGENIERÍA QUÍMICA CARRERA DE INGENIERÍA QUÍMICA ASIGNATURA CALCULO DE INGENIERIA II

FACILITADOR ING. JOSE VALDEZ

DEBER EJERICIOS PROPUESTOS DEL LIBRO DE FELDER

INTEGRANTES DAVID AUGUSTO ÁLVAREZ ANGULO EDREI LEINER CASTRO BARCO BARCO DARA MARIA HIDALGO LOOR JAMIL FERNANDO FERNANDO RAMOS RAMOS ALV ALVARIO JOAN DANIEL DANIEL SANTANA SANTANA TOAPANT TOAPANTA A

PARALELO 4C

PERIODO LECTIVO 2017 - 2018 Ejer!!"# $e C%&'&" $e I()e(!er*+ II

DAVID AUGUSTO ALVARE, ANGULO frí d! "n#"!rn "n#"!rn  $a %!&'!ra %!&'!ra%(r %(ra a !) * 828 Un día frí 828

+ $a ,(&!dad

℃

r!$a%"#a !) -/. U)%!d "n,a$a a"r! a #!$0"dad 'r&!d" d! 11 &$2&"n + !3,a$a (n a) )a%(rad 0n a(a a %!&'!ra%(ra 0r'ra$ a'r a'r3"&a 3"&ada da d! 56

. S" $a) #!$0"dad!) d! f$(7 &8)"0 d!$ a"r!

℃

"n,a "n,a$a $ad d + !3,a$ 3,a$ad ad  !30$(+ 0$(+!n !nd d !$ a(a a(a99 ) )n n $a) $a) &")& &")&a) a):: $a) $a) 0a'a0"dad!) 0a$ríf"0a) ; C p 9 d! $) a)!) $"
: >a =(? #!$0"dad

℃

!n J2día '"!rd! !n!ría a$ r!)'"rar@ Cn)"d!r! $a r!)'"ra0"n 0& (n 'r0!) 0n%"n( ;!$ a"r! "n,a$ad + !$ a(a $í=("da !n%ran: + !$ a"r! !3,a$ada )a$!9 + d!)'r!0"! !$ %ra
-/ ,(&!dad r!$a%"#a

=( 0.15 ) ( 5.2984 ) p H 20 20

1.*45 &$2&"n *℃

=0.7941 mmHg p H 20 20 y H 2 2 Oinhalado=

1.11-14 H*1

1.1- H*1

1. a) )!0

1.5- a) )!0

0.794 760

y H 2 2 Oinhalado= 0,001045

n´ inhalado =5500

molH 2 2 O molaire inhala inhalado do

ml ∗273 K min ∗1 L 275 K ∗mol 1000 ml 22.4 L

n´ inhalado =0.2438 molde mol de aire aire inhala inhalado do / min

S+.'r+! S+.' r+!/( /( $e& )+# e#.% e#. % + '("# 7  7℃ = y H 20 20 = y H 20 20

p|37 ℃| 760 mmHg 47.067 760

=0.0619 y H 20 20

n´2 &$2&"n 56℃

molH 2 2 O mol mol de gas gas exha exhala lado do

n´1 &$H*O;$92&"n **℃

DAVID AUGUSTO ALVARE, ANGULO frí d! "n#"!rn "n#"!rn  $a %!&'!ra %!&'!ra%(r %(ra a !) * 828 Un día frí 828

+ $a ,(&!dad

℃

r!$a%"#a !) -/. U)%!d "n,a$a a"r! a #!$0"dad 'r&!d" d! 11 &$2&"n + !3,a$a (n a) )a%(rad 0n a(a a %!&'!ra%(ra 0r'ra$ a'r a'r3"&a 3"&ada da d! 56

. S" $a) #!$0"dad!) d! f$(7 &8)"0 d!$ a"r!

℃

"n,a "n,a$a $ad d + !3,a$ 3,a$ad ad  !30$(+ 0$(+!n !nd d !$ a(a a(a99 ) )n n $a) $a) &")& &")&a) a):: $a) $a) 0a'a0"dad!) 0a$ríf"0a) ; C p 9 d! $) a)!) $"
: >a =(? #!$0"dad

℃

!n J2día '"!rd! !n!ría a$ r!)'"rar@ Cn)"d!r! $a r!)'"ra0"n 0& (n 'r0!) 0n%"n( ;!$ a"r! "n,a$ad + !$ a(a $í=("da !n%ran: + !$ a"r! !3,a$ada )a$!9 + d!)'r!0"! !$ %ra
-/ ,(&!dad r!$a%"#a

=( 0.15 ) ( 5.2984 ) p H 20 20

1.*45 &$2&"n *℃

=0.7941 mmHg p H 20 20 y H 2 2 Oinhalado=

1.11-14 H*1

1.1- H*1

1. a) )!0

1.5- a) )!0

0.794 760

y H 2 2 Oinhalado= 0,001045

n´ inhalado =5500

molH 2 2 O molaire inhala inhalado do

ml ∗273 K min ∗1 L 275 K ∗mol 1000 ml 22.4 L

n´ inhalado =0.2438 molde mol de aire aire inhala inhalado do / min

S+.'r+! S+.' r+!/( /( $e& )+# e#.% e#. % + '("# 7  7℃ = y H 20 20 = y H 20 20

p|37 ℃| 760 mmHg 47.067 760

=0.0619 y H 20 20

n´2 &$2&"n 56℃

molH 2 2 O mol mol de gas gas exha exhala lado do

n´1 &$H*O;$92&"n **℃

( 0.2438 ) ( 0.999 ) ∗29 g min =7.063 g /min masadelgasinhalado ( y tambié tambiénn del exhala exhalado do )= mol Balance de masa del Gas Seco

n gasseco y gasseco = y 2 n2 (0.999) (0.2438) = (0.9381)

n2= 0.2696

n2

molexhalado min

Balance de masa del H2O

n H 2 2O y H 2 O + y 1 n1= y 2 n2 (0.2438) (0.001045) + n1 = (0.2596) (0.0619)

n 1= 0.0158

mol mol H 2 O min

S'#.+(!+ Ga) S!0 H*O ;a)9 H*O

mentra ´

70 00034 028

;$"=("d9 a!la de H2O (l) " #as seco al 2°C

H entra

0 20 422

m´sale

H sale

70 0240

7 24

a!la $s%com&'%ca %!o de *elde Ca%',lo 8 Balance de -ne#a del S%s'ema

∑ ∆ E k + ∑ ∆ E p + ∑ ∆ H =Q−Ws Q =∑ ∆ H

Q = ∑ m salida H salida − ∑ mentrada H entrada

Q =966.8

J ∗60 min min ∗24 h h J =1390000 dia dia

Fortaleza -l en,n en,nc% c%ad ado o no es m," comle/o Son m," escasos los da'os a esen'a

Oportunidades ene !ases de Balance de asa " -ne#%a o los es',d%os es',d%os en clases " el aceso al %n'ene'

Debilidades Amenazas B,sca B,sca " lee lee 'odo 'odo o en'e#a el de'en%damen'e. de!e a '%emo. sa la com,'adoa como med%o de en'e#a del de!e.

80 Una 0rr"!n%! d! a"r! a 11 ℃ + 5 %rr 0n '(n% d! r0" d! 51℃ + =(! f$(+! a #!$0"dad d! -- L2): )! #a a !nfr"ar !n (n !nfr"adr 'r a)'!r)"n. S! r0ía (na
!$ a"r! 0a$"!n%! a ran d! --1.1 2): $a 0(a$ )! !#a'ra 'r 0&'$!%. E$ a"r! !nfr"ad !&!r! a - a%&. a9 Ca Ca$0 $0($ ($! ! $a %!&' %!&'!r !ra% a%(r (ra a f"na f"na$$ d! $a 0 0rrr"!n r"!n%! %! d! a"r a"r! =(! =(! )a )a$! $!:: )('n"!nd =(! !$ 'r0!) )!a ad"a<8%"0. ;S(!r!n0"a d!r"#! $a) !3'r!)"n!) 'ara $a) !n%a$'"a) d!$ a"r! )!0 + !$ a(a a $a %!&'!ra%(ra d!$ a"r! d! )a$"da: )()%"%+a$a) !n (n
56 A '9 :e&"!$+$ ;<=6 #e .r+(#>!ere +&"r $e &+ "rr!e(.e $e +!re +&!e(.e 'e #e +&!?e(.+ e& e(>r!+$"r @"r +#@er#!/( Q'9 "'rre "( e#.e +&"r 6 E@&!'e e( '(+# '+(.+# "r+!"(e# "?" >'(!"(+ e#.e @r"e#" '#e @+&+5r+# "?@re(#!5&e# @+r+ '( e#.'$!+(.e $e @re@+r+."r!+ I("r@"re &"# re#'&.+$"# $e &"# !(!#"# ;+6  ;56 e( #' e@&!+!/( -- $2)

a"r!

11 ℃: 5 %rr: Td'  51 ℃

-- L2) a%&

F$(7 M$ar

--1  2) H*O ;#a'r9

--1 2) H*O: T  *℃ 1515 L 1+2=

s

a"r!: -

∗835 mmHg

∗molK =26.2 mol / s L  mmHg 62.36 L 773 K

p∗(30 ℃ ) 31.824 mmHg ṅ2 = y = = =0.0381 molH 2 2 O / airemol 835 mmHg !total ṅ 1+ ṅ 2 25.2 molaire

seco ṅ=1.0 molH 2 2 O / s s"

S'#.+(

ṁ

!+

e(.r+$

#+&!$+

+

;?"&H#

Ĥ e(.r+$+

;H?"&6

ṁ

Ĥ #+&!$+

;H?"&6

A!re

;?"&H#6 *.*

#e" 2O;:6

-.1

6 *.*

-4.56

#

∫ ( Cp ) aired# 25

100

∫ (Cp ) H 2 O ( l ) d# + $%apor

6.-

100

∫ (Cp ) H 2 O ( l ) d# + $%apor

25

25

100

#

∫ (Cp ) H 2 O ( % ) d#

∫ (Cp ) H 2 O ( % ) d#

25

100

1 2O;&6 . Ta<$a d! R!f!r!n0"a H*O ;-:*

℃

 9 : a"r! ;#: *

℃

 9

Ca&<" d! En%a$'"a ∆ H = 0= ṅ salida∗ salida −ṅ entrada∗ entrada 100

500

∫ ( Cp ) H 2 O ( l ) d# + $%apor + ∫ ( Cp ) H 2 O ( % ) d# = 0 25

(∫

( 25.2 )

100

( Cp ) aired# + ( 7.1 )

25

T= 139

100

) (∫

#

#

)

(Cp ) H 2 O ( l ) d# + $%apor + ∫ (Cp ) H 2 O ( % ) d# − ( 25.2 ) (14.37 )−( 1.00 )¿

25

100

℃ 139

139

500

500

Q=− ( 25.2 ) ∫ ( Cp ) aire d# − ( 1.00 ) ∫ ( Cp ) H 2 O ( % ) d# =−290 kW

E3'$"=(!: !n (na) 0(an%a) ra0"n!): 0& f(n0"na !)%! 'r0!) ()! 'a$a
C(and !$ a(a fría !n 0(!)%"n !n%ra !n 0n%a0% 0n !$ a"r! 0a$"!n%!: !$ 0a$r )! '(!d! !)%ar %ran)f"r"!nd d!)d! !$ a"r! a $a n!<$"na d!$ a(a fría:
Fortaleza -l en,nc%ado no es m," comle/o Son m," escasos los da'os a esen'a

Oportunidades ene !ases de Balance de asa " -ne#%a o los es',d%os en clases " el aceso al %n'ene'

Debilidades Amenazas B,sca " lee 'odo o en'e#a el de'en%damen'e. de!e a '%emo. sa la com,'adoa como med%o de en'e#a del de!e.

83 S! a$"&!n%a a"r! ,&!d a 1℃ + - a%& 0n * ℃ d! )
+6 A#'?+ "?" 5+#e $e %&'&" 100 ?"& $e +!re $e e(.r+$+ $!5'je  ?+r'e '( $!+)r+?+ $e >&'j" ;!(&'e($" Q e( e& ?+r+$"6  J+)+ e& +(%&!#!# $e &"# )r+$"# $e &!5er.+$ @+r+ :er!>!+r #! e# @"#!5&e $e.er?!(+r ."$+# &+# :+r!+5&e# ?+r+$+# 56 E#r!5+ @"r "r$e( &+# e'+!"(e# 'e re#"&:er*+ @+r+ +&'&+r &+ ?+#+ $e +)'+ "($e(#+$+ ;)6 @"r ?e.r" '5!" $e +!re +&!?e(.+$" +& "($e(#+$"r E(!erre e( '( *r'&" + &+ :+r!+5&e $e#"("!$+ 'e $e#@ej+r*+ e( +$+ e'+!/( N" re+&!e (!()'(" $e &"# %&'&"# 6 Pre@+re '(+ .+5&+ $e e(.+&@!+# $e e(.r+$+  #+&!$+ !(#er.+($" ?+r+# @+r+ &+# e(.+&@!+# e#@e!>!+# ;1 2K6 E#r!5+ &+# e@re#!"(e# @+r+ &+# e(.+&@!+# e#@e!>!+# ?+r+$+# #'#.!.'e($" :+&"re# " >/r?'&+# @+r+ &+# +@+!$+$e# +&"r*>!+#  &"# +&"re# &+.e(.e# @er" #!( +&'&+r &"# :+&"re# $e &+# e(.+&@!+# e#@e*>!+# De#@'9# $e#r!5+ '(+ e@re#!/( @+r+ &+ :e&"!$+$ + &+ '+& #e $e5e .r+(#>er!r +&"r $e &+ '(!$+$ ;<6 @"r ?e.r" '5!" $e +!re +&!?e(.+$" +& "($e(#+$"r $6 Re#'e&:+ #'# e'+!"(e# + ?+(" @+r+ +&'&+r &"# ) $e 2O "($e(#+$+H? +!re +&!?e(.+$"  &"# < .r+(#>er!$"#H? +!re +&!?e(.+$" e6 U#e '( @r")r+?+ $e #"&'!/( $e e'+!"(e# @+r+ re+&!+r &"# %&'&"# $e& !(!#" ;$6 >6 Q'9 :e&"!$+$ $e e(>r!+?!e(." ;<6 #e re'er!r*+ @+r+ @r"e#+r 20 ? $e +&!?e(.+!/( $e +!reHJ

K;J9

n2 ( mol ) & 20 ℃ & 1 atm y 2 ;&$ H*O2&$9

-11 &$

y 1 ;&$H*O2&$9 ;- y 1 9;&$ a"r! )!02&$9

;- y 2 9;&$ a"r! )!02&$9

n3 ;&$ H*O;$99

)('!r0a$"!n%! +-

p∗( 48 ℃ ) p

Sa%(ra0"n d!$ '(n%+* 

p∗( 20 ℃ ) p

*

℃

Ba$an0! d! a"r! )!0 ;-119 ;-+-9  n*;-+*9 Ba$an0! d!$ H*O ;-119 ;+-9  ;n*9 ;+*9  n5

#'#.+(!

(

Ĥ

( #+&!$+

Ĥ #+&!$+

+ +!re

e(.r+$+ -11;-

e(.r+$+ Ĥ-

n*;-+*9

Ĥ5

n !n &$

2O ;:6

+-9 -11+-

Ĥ*

n*+*

Ĥ4

Ĥ !n

J2&$   20;&6 Ta<$a d! r!f!r!n0"a) d!$ a"r! ;*

n5 1 ℃ 9: H*O ;$:*1

a!la $s%com&'%ca %!o de *elde Ca%',lo 8 -n'al%as de los S%s'emas

℃

9

50

50

25

25

$ 1 =∫ ( Cp ) aired# =∫ [ 0.02894 + 0.4147 x 10 −5 # + 0.3191 x 10 −8 # 2 +1.965 x 10 −12 # 3 ] d# 100

50

100

50

20

100

20

100

$ 2 = ∫ ( Cp ) H 2 O ( l ) d# + ∆ $% ∫ (Cp ) H 20 ( % ) d# − ∫ [ 0.0754 ] d# + 40.656 + ∫ [ 0.03346 + 0.688 x 10 − 5 # + 0.76 20

$ 3 =∫ ( Cp ) aired# 25

100

20

20

100

$ 2 = ∫ ( Cp ) H 2 O ( l ) d# + ∆ $% ( 100 ℃ ) + ∫ (Cp ) H 2 O ( % ) d# Ba$an0! d! En!r"a

Q= ∆ H = ∑ n 1 $ 1 − ∑ n 1 $ 1 salida

entrada

mol∗8.314 !a∗m ∗323 K mol∗ K 1.01325 x 10 !a 3

'aire = 100

5

n 1 $ 1 ∑ n 1 $ 1− ∑ entrada

Q = 'aire

salida

100

*

℃

mol∗8.314 !a∗m3 ∗323 K mol∗ K 5 1.01325 x 10 !a

)('!r0a$"!n%! +-

p∗( 48 ℃ )  p

83.71 mmHg 760 mmHg



0110?"&2OH?"& Sa%(ra0"n d!$ '(n%+*

p∗( 20 ℃ ) 17.535 mmHg =  p 760 mmHg

002?"&2OH?"& Ba$an0! d! a"r! )!0 ;-119 ;-1.--199  n*;-1.1*59n*4110?"& Ba$an0! d!$ H*O ;-119 ;1.--19  ;-.-19 ;1.1*59  n5n5.1 &$H*O 

0.018 kg 1 mol

=0.160 kgH 2 Ocondensado

Q = ∆ H = ∑ n 1 $ 1 − ∑ n 1 $ 1 =480.57 salida entrada

mol∗8.314 !a∗m 3 ∗323 K mol∗ K =2.65 m 3 'aire =100 5 1.01325 x 10 !a 0.160 kgH 2 Ocondensado 2.65 m 3

=0.0604 H 2 O condensada / m 3

− 480.5 kJ =−18 1 kJ / aire 2.65 m 3 −181 kJ ∗250 m 3 aire 3 aire m ∗1 h h ∗1 kW 3600 s =−12.6 KW Q= 1 kJ s Fortaleza -l en,nc%ado no es m," comle/o Son m," escasos los da'os a esen'a

Oportunidades ene !ases de Balance de asa " -ne#%a o los es',d%os en clases " el aceso al %n'ene'


837 U( +"($!!"(+$"r $e +!re e(>r*+ 22 ?H?!( $e +!re J?e$" 'e e#.% +  ℃  48 $e J'?e$+$ re&+.!:+ J+#.+ 10℃ +6 Re+&!e '( +(%&!#!# $e )r+$"# $e &!5er.+$ @+r+ @r"5+r 'e $!#@"(e $e #'>!!e(.e !(>"r?+!/( @+r+ $e.er?!(+r e& .r+5+j" (ee#+r!" $e e(>r!+?!e(." ;&+ :e&"!$+$ $e .r+(#>ere(!+ $e +&"r6 56 C+&'&e &+ :e&"!$+$ $e "($e(#+!/( $e& +)'+ e( &+ '(!$+$  e& .r+5+j" $e e(>r!+?!e(." e( ."(e&+$+# ;1 ."(e&+$+  12000 B.'HJ6 K ;J2&"n9 1 &$2&"n

n1 &$2&"n

y o Q&$H*O;#92 &$

y 1 Q&$H*O;#92 &$

;- y o 9;&$ DA2&$9

;- y 1 9;&$ DA2&$9

5℃: - a%&: /

-1℃: - a%&:

n´ 2 Q&$H*O;$92&"n: 3

226

m ∗273 K min ∗1000 mol 309 K = 8908 mol aire h(medo min 22.515 m 3

En !$ an8$")") d! $"
La !) (36 ℃ ) )! $a '(!d! !)%ar <%!n"!nd d! $a Ta<$a B.5 d!$ L"
0.98 ( 44563 mmHg ) 760 mmHg

=0.0575 molH 20 ( % ) / mol

Ta<$a B.5 L"
A"r! d! Sa$"da y = 1

p ( 10 ℃ ) !

y 1=

9.209 mmHg 760 mmHg

= 0.121 molH 2 O (% )/ mol

Ba$an0! d! Ma%!r"a d!$ A"r!

( 1− y )∗n =( 1− y )∗n 0

0

1

1

( 1−0.0575 )∗( 8908 ) =( 1−0.0121 )∗ n1 n1= 8499 mol / min

Ba$an0! d! Ma%!r"a H*O y ∗ n = y ∗ n + n 0

0

1

1

2

( 0.575 )∗( 8908 )=( 0.121 ) ( 8499 ) + n 2 n = 409 molH 2 O ( l )/ min 2

S'#.+(! + A!re 2O ;:6

nentra

H entra

nsale

H sale

5

1.5-

5

1.45*

n

45

&$ 2&"n H  J

-*

4*

-15

2&$ 41 2O ;&6 Ta<$a d!$ H*1 ;$9 %r"'$! '(n% a"r! ;66 F9

1.64-

La) !n%a$'"a) d!$ a"r! )! $a) '(!d! <%!n!r d! $a Ta<$a B.

Ta<$a B. F!$d!r La) !n%a$'"a) d!$ A(a d! $a Ta<$a B. + !)%a) )! $a) &($%"'$"0a 'r ;1.1- 2&$9

Ta<$a B. d! F!$d!r Ba$an0! d! En!ría Q = ∆ H =∑n salida H salida−∑n entrada H entrada

−1.96∗105

KJ ∗60 min

Fortaleza -l en,nc%ado no es m," comle/o Son m," escasos los da'os a esen'a

min ∗9.486∗10−4 *#+ h ∗1 ton 0.001 KJ = 930 ton −1200 *#+ h Oportunidades ene !ases de Balance de asa " -ne#%a o los es',d%os en clases " el aceso al %n'ene'


EDREI LEINER CASTRO BARCO 80 U(+ ?e&+ $e :+@"r $e (-Je+("  +!re #+&e $e '(+ '(!$+$ $e re'@er+!/( $e #"&:e(.e  >&'e @"r '( "($'." "( $!%?e.r" $e 70? + :e&"!$+$ $e 00 ?H# E( '( @'(." $e ?'e#.re" e( e& "($'." &+ .e?@er+.'r+ e# $e 30C &+ @re#!/( 80 ?? )  e& @'(." $e r"!/ $e &+ ?'e#.r+ $e )+# e# 2C E& )+# #e +&!?e(.+ + '( "($e(#+$"r $"($e #e e(>r*+ + @re#!/( "(#.+(.e  #e "($e(#+ 0 $e& Je+(" e( &+ +&!?e(.+!/( ;+6 L&e:e + +5" e& +(%&!#!# $e )r+$"# $e &!5er.+$ @+r+ $e?"#.r+r 'e 'e(.+ "( #'>!!e(.e !(>"r?+!/( @+r+ +&'&+r &+ .e?@er+.'r+ $e #+&!$+ $e& "($e(#+$"r ;e( C6  &+ :e&"!$+$ $e e(>r!+?!e(." ;<6 ;56

+)+ &"# %&'&"#

;6 S! e& $!%?e.r" $e& "($'." $e +&!?e(.+!/( >'er+ ? @+r+ &+ ?!#?+ :e&"!$+$ $e >&'j" ?"&+r $e +&!?e(.+!/( $e )+# C'%& #er*+ &+ :e&"!$+$ $e e#.e &.!?" 2 273 K m 1m 2 2 Alimentacion: 3 x π( ( 35 ) cm x x x 4 2 s (273 + 40 ) K 10 cm 3 1 Kmol mol 10 x =50.3 s 22.4 m ( ,#! ) 1 Kmol

850 torr 760 torr

x

3

Asumimos la salida de gas 850 mmHg

n (mol C6H14(v!s" sat d at (#C $ 850 to%% 2

50.3 mol!s & 40#C" 850 mmHg

n (mol ai%e!s 2

' (mol C6H14(v!mol

n1 (mol C6H14(l!s" sat d at (#C

(1$(mol ai%!mol ) = *5#C

60+ de ,exano en la alimentaci-n

Anlisis: /* alances de mate%ia indeendientes /* o% m2todo de aoult (a%a la alimentaci-n $ la salida de gases /60+ ecuaci-n de %ecue%aci-n

/1 alance de ene%ga 0 g%ados de lie%tad = todo lo ue se desconoce se uede calcula%

. e7a% H=C6H14 ecuaci-n de Antoine tala .4 ()alimentaci-n = *5#C

'9 =

!n ( 25 - C ) = !

850 mmHg

= 0.18 ;mol H! mol

(50.3 ) ( 0.178 ) mols H alimentacion = 5.3 s

n1 = 0.600 x

60+ %ecue%aci-n

151 mmHg

mol H (l!s alance de ,exano: (0.18(50.3=5.3 < n2

n= ( 50.3 ) ( 1 −0.178 )= 41.3

alance de ai%e:

n2 = 3.58 mol H(v!s

moles aire s

%acci-n mola% de ,exano en el gas de salida:

n

=

2

n +n 2

3

! H ( # ) . ! H ( # )= 67.8 mmHg ( 3.58 + 41.3) 850 mmHg

3.58

=

! H ( # )= ! H ( # )= 67.8 mmHg.# = 7.8 -C

>atu%aci-n de salida:

?stado de %e@e%encia : C6H14 (l" .8#C" ai%e (*5#C >ustancia

^e H C6H14 (v C6H14 (l Ai%e

n´ en

n´ e

8.5 / 41.3

^s H 3.5 / 0.435

3.58 5.3 41.3

3*. 0 /0.4

mol s

^ en H

kJ mol

C6H14 (v:

68.74

#

7.8

68.74

^ = ∫ C pl d# + ∆ H ^ % ( 68.74 - C )+ ∫ C p% d# H

C de la tala .*

^ de la tala .1 H Ai%e:

n´ s

^ de la tala .8 H

alance de ene%ga:

Q= ∆ H =

^ − ∑ n´ H ^ = − 257❑kJ / s ∗1 kW en/riamiento ∑ n´ H s

e

− 1 kJ

= 257 kW

s c. 1

1

(  0 =(  0 " 0 =

2  32 4

Fr%a$!a E$ !n(n0"ad n !) &(+ 0&'$!7 Sn &(+ !)0a)) $) da%) a 'r!)!n%ar

1

" 31 = 3 . (1 =4. (= 120 2

O'r%(n"dad!) T!n!r
m s

D!<"$"dad!) B()0ar + $!!r %d d!%!n"da&!n%!. U)ar $a 0&'(%adra 0& &!d" d! !n%r!a d!$ d!
A&!naa) N !n%r!ar !$ d!
81 U(+ ?e&+ &!'!$+ e'!?"&+r $e (-@e(.+("  (-Je+(" + 80C  00 +.? #e +&!?e(.+( + '( e:+@"r+$"r !(#.+(.%(e" + r+/( $e 1000 ?"&H# C'+($" &+ +&!?e(.+!/( #e e@"(e + &+ @re#!/( re$'!$+ $e& e:+@"r+$"r #e :+@"r!+ '(+ +(.!$+$ "(#!$er+5&e L+ .e?@er+.'r+ $e& .+('e #e ?+(.!e(e + C +)re)+($" +&"r L+# >+#e# $e :+@"r  &!'!$+ 'e e#.%( e( e'!&!5r!" e(.re #* #e $!:!$e(  $e#+r)+( "?" "rr!e(.e# #e@+r+$+# L+ "rr!e(.e $e @r"$'." &!'!$" "(.!e(e 310 ?"&  $e @e(.+(" A "(.!('+!/( #e !(&'e e& $!+)r+?+ $e >&'j"  &+ .+5&+ $e e(.+&@!+# $e e(.r+$+  #+&!$+ @+r+ e& @r"e#"

;+6 U#e &+ &e $e R+"'&. @+r+ %&'&"# $e e'!&!5r!" :+@"r-&!'!$" +&'&e ;!6 &+ @re#!/( $e& #!#.e?+ P ;+.?6 ;!!6 &+ >r+!/( ?"&+r $e @e(.+(" e( e& :+@"r @r"$'!$" Y@ ;!!!6 &+ :e&"!$+$ $e >&'j" :"&'?9.r!" $e& :+@"r @r"$'!$" V;LH#6  ;!:6 &+ :+@"r!+!/( >r+!"(+& $e @e(.+(" >;?"&e# :+@"r!+$"#H?"&e# +&!?e(.+$"#6

^ $e &+ ;56 De.er?!(e :+&"re# @+r+ ."$+# &+# (  H .+5&+ $e e(.+&@!+#  +&'&e &+ :e&"!$+$ re'er!$+ $e +$!!/( $e +&"r @+r+ e& e:+@"r+$"r Q;<6

Bite%al (a )enemos 5 inc-gnitas/ * alances de mate%ia/1 alances de ene%ga /* %elaciones de euili%io=0 g%ados de alimentaci-n. ?1=>1 <>* ?cuaci-n de antoine: @uente tala .4

! ! ( 654C )=1851 mmhg∗ p

(( 65 4c )= 675 mmhg

Dsando la le$ de %ault a%a los comuestos ,exano $ entano 0.410 ! ! ( 654C )=5 !

$=0"656mol E (F!mol

0

0.5 !+ (65 4C )=( 6 − y ) p

p = 0

0

alance mola% total: 100 moles =

(

)

1157 mmhg 1.52 atm

n% + n i

n% =36.6 mol%apor / s

alance del entano

% +¿ 0. 410 n 6 n¿

50 moles Eentano = 0"656

n 6 =63,4 mol li7(ido/s  ?cuaci-n de gas ideal

n 8# = !O

F=

(

36.6 mol

s

)(

0.08206 L∗ atm

molk

)(

( 65 + 273 9k ) 152 atm

)=

667 L / ,

%oano G=

( 0.656∗36.6 ) mol ! ( % )/ s mol !8O!0:O 3E '0!O86;0C6O: =0.48 mol /ed 50.0 mol! ( 6 ) /ed / s

 e@e%encia: E (" H ( A 65IC

n E

>D>)AJCA

n,

K>

E

E(F

/

/

*4.0

*433

n in mol!s

E( H(F H(

50 / 50

*.806 / 3.*45

*6.0 1*.6 3.4

0 *.05 0

K in L7!mol

# 1

Fao%= K ()=

∫ cpl3# + <$ (# ) 0

654C

#

Biuido= K () =

∫

C!l3#

65 4C

?ncont%amos el CE en la tala .* MK en la tala .1

#

<

∫ C!3#

# 0

alance de ene%ga N=O n E $ E /O

, =¿ n, $ ¿ 64PQ


A&!naa) N !n%r!ar !$ d!
82 Se +&!?e(.+ '(+ "rr!e(.e &!'!$+ 'e "(.!e(e 00 ?"&  $e 5e(e("  e& 5+&+(e $e& ."&'e(" + 2C + '( e:+@"r+$"r "(.!('" $e e.+@+ (!+ + r+/( $e 120 ?"&H# L+# "rr!e(.e# $e &*'!$"  :+@"r 'e #+&e( $e& e:+@"r+$"r #e e('e(.r+( +?5+# + 40C EL &*'!$" "(.!e(e 32 ?"& $e 5e(e("  e& :+@"r "(.!e(e 7 ?"& $e 5e(e(" ;+6 C+&'&e# &"# re'er!?!e(."# $e +&e(.+?!e(." @+r+ e#.e @r"e#" e( < ;56 E?@&e+($" &+ &e $e R+"'&. ;#e!/( 356 @+r+ $e#r!5!r e& e'!&!5r!" e(.re &+# "rr!e(.e# $e :+@"r  &*'!$" $e #+&!$+ $e.er?!(e #! &"# +(%&!#!# $+$" @+r+ e& 5e(e(" #"( "()r'e(.e# e(.re #* De #er&" +&'&e &+ @re#!/( ;e( ."rr6 &+ '+& $e5e "@er+r e& e:+@"r+$"r e( +#" "(.r+r!" $e :+r!+# e@&!+!"(e# @"#!5&e# @+r+ &+ !("()r'e(!+

n2 mol!s 5Ic

13*0 mol!s *5Ic 0.500 mol!mol

0.35 mol ! mol

0.500 mol )!mol

0.*65 mol )! mol

n3 mol!s 5Ic N

0.4*5 mol!mol 0 55 mol )!mol

alance total de moles: 13*0=

n 2 + n3

A=
n2=319 mol / s 660=31(0.35< (n3 (0.4*5

n

3= 660 −

234.465 0.425

=1001 mol / s

n E (mol!s $ E (LR!mol >ustancia (B 660 0 (F ///////// //// )B 660 0 )(F //////// ////// enceno $ tolueno teme%atu%as a 1.*5Sc N=O

e

e −¿

n¿

n,

$ ,

4*5 *34 56 85

.838 3.1 11.8 46.06

O ns $ s = *.4*x 104 k)

( antonie ecuaci-n tala .4

pn (

95 4c

) = 1176 torr

p 6 ( 954C )=476.9 torr

le$ de %aoult enceno: (0.4*5(116=(0.35E= 680 )T

EUE

)olueno: (0.55(46.=(0.*65 E= 1035 )T  ?l anlisis est euivocado" el evao%ado% no ,aa alcanVado el estado s-lido de las muest%as de desgaste


A&!naa) N !n%r!ar !$ d!
87 U(+ ?e&+ 'e "(.!e(e 3 @"r @e#" $e +e."(+ ; cH 3 cH 3 COO6 27 $e CO CH 3 6 27 $e +!$" +9.!" +(J*$r!$" +9.!" ; cH 3 CO6 2O6 #e $e#.!&+ + @1 +.? L+

+&!?e(.+!/( e(.r+ +&+ "&'?(+ $e $e#.!&+!/( + T38  + '( :e&"!$+$ $e 100 )HJ e& @r"$'." &!)er" $e& $"?" e# e( e#e(!+ +e."(+ @'r+  e& @r"$'." $e >"($"# "(.!e(e 1 $e &+ +e."(+ $e +&!?e(.+!/( E& :+@"r e>&'e(.e $e &+ @+r.e #'@er!"r $e &+ "&'?(+ e(.r+ + '( "($e(#+$"r $e 24   e?er)e "?" &!'!$" + 0 &+ ?!.+$ $e& "($e(#+$" #e re.!r+ "?" @r"$'." &!)er"  e&

re#." #e e(:*+ "?" re>&'j" $e ('e:" +&+ "&'?(+ E& &!'!$" 'e #e #+&e @"r &+ @+r.e !(>er!"r $e &+ "&'?(+ @+#+ @"r '( reJer:!$"r 'e #e +&!e(.+ "( :+@"r $"($e '(+ @+r.e #e :+@"r!+ E& :+@"r 'e #+&e $e& reJer:!$"r #e $e:'e&:e + &+ "&'?(+ + '(+ .e?@er+.'r+ $e 48  e& &*'!$" re#!$'+& .+?5!9( + 48 "(#.!.'e e& @r"$'." $e >"($"# +6 +&'&e &+# :e&"!$+$e# $e >&'j" ?"&+r  &+# "?@"#!!"(e# $e &+# "rr!e(.e# $e @r"$'." 56 +&'&e &"# re'er!?!e(."# $e e(>r!+?!e(." $e "($e(#+$"r 6 re+&!e '( 5+&+(e $e e(er)*+ .".+& @+r+ $e.er?!(+r e& re'er!?!e(." $e +&e(.+?!e(." e( e& reJer:!$"r QrjHJ $6 #! &+ "($e(#+!/( $e :+@"r #+.'r+$" @r"@"r!"(+ e& +&"r $e reJer:!$"r + '(+ @re#!/( ?+("?9.r!+ $e 10 5+r + 'e :e&"!$+$ #e $e5e +&!?e(.+r e& :+@"r

(a

2=¿

n¿

(0.01(0.46(15"000 Lg!,= 6LgA!,

Acido ac2Wco alance=

n3 = (0.* (15"00=4050 Lg !,

An,d%ido ac2Wco = n4 = (0.* (15"00= 4050Lg!, Acetona alance = (0.46 (15"00= n1 <6 = 6831 Lg!, esWlaci-n de %oducto = 631 kg de acetona por hora %oducto de @ondo: (6< 4050<4050 Lg!, 816 Lg!, 0.8+ de acetona 4.6 de acido ac2Wco 4.6 de an,d%ido ac2Wco  alance de ene%ga en el condensado%

c 3 H 6 O−−. c 3 H 6 O (1.329 K ) −.c 3 H 6 O ( 1.030 K ) 303

MK=/M $ ' (3*P<

∫ Cp

t=/5*0.6 < (*.3 (/*6 = /580.4 LR!Lg

329

( 2∗6831 ) Kg ∗− 580.4 k= h r = < $ = < $ = ¿ =− 7.93∗10 PR!Lg kg Q¿ 6

c alance gene%al de la ene%ga del %oceso

n E

>ustancia A (1. 303P A (1.38P  (1.38P C(1.38P

/ / / /

An,d%ido ac2Wco (l: c p 1

k= 10

3

=

n,

E

0 0 0 0

,

6831 6 4050 4050

/103.5 115.0 10.0 113

n? Lg!, K? PR!Lg

1 mol

= X Y(41*< (618< (3*5Z  mol4c

102.1 g

∗103 g

1 kg

= 2.3 k= 4c kg

K ()= C ! ()/348 N=MK

Qc + Qr= ∑ n E $ E− ∑ n E $ E− . Qr =−Q c + ∑ n E $ E= ( 7.93 x 10 + 2.00 x 10 ) kJ / h 6

=8.13x10[6 LR!,

s

e

d H 2 T satu%ada es X 11 a%es: M

=0

%

s

=¿ 1 PR!Lg @uente tala 8.6

5



6

8.13 > 10

Q r= n H 2 O <$ ' −. n H 2 O= Fr%a$!a E$ !n(n0"ad n !) &(+ 0&'$!7 Sn &(+ !)0a)) $) da%) a 'r!)!n%ar

KJ

h KJ 1999 kg

=4070 kg %apor / h

A&!naa) N !n%r!ar !$ d!
DARA MARIA HIDALGO LOOR

8 Una &!0$a $"=("da d!
desprecie el efecto de la presión sobre la entalpia.

a9 Ca$0($! $a #!$0"dad d! f$(7 &$ar ;&$2)9 + $a 0&')"0"n &$ar ;fra00"n!) &$ar!) d! $) 0&'n!n%!)9 d! $a 0rr"!n%! d! !o ;a%&9 a$"&!n%a0"n. D!)'(?) 0a$0($! !$ #a$r &ín"& d! n!0!)ar" 'ara &an%!n!r $a 0rr"!n%! d! a$"&!n%a0"n !n !)%ad $í=("d ,a)%a =(! !n%r! a$ %an=(! d! #a'r"a0"n ($%rarr8'"da.  P!) &$!0($ar d!$
Base:

 -11r d! &!0$a ?benceno : 1.6  ?tol(eno  1. 

ntotal :

50 gr

+

gr 78.11 mol

' total :

50 gr 0.879

gr cm3 6

gr 92.14 mol

+

d x / i C H : 6

50 gr

50 gr 0.866

gr cm3

=( 0.640 + 0.543 ) mol=1.183 mol

=114.6 cm3

0.640 molC 6 H 6 1.183

=0.541 mol

C 6 H 6 mol

d x / i C H : 7

0.543 molC 7 H 8 1.183 mol

8

=0.459 mol

C 7 H 8 mol

S"&'!/( U)a&) !$ f$(7 #$(&?%r"0: 7(n% a $a r!$a0"n d! ntotal 0n !$ ' total : + %&and !n 0(!n%a =(! !)%?n !n $a) &")&a) (n"dad!) alimentacionact(al :

32.5 m

h

3

cm3 1.183 moldeme@cla mol 1h = x x x 93.19 3 3 s 1m 114.6 cm de me@cla 3600 s 10

6

F'e(.e U)and $) da%) d! $a %a<$a .-# =90 -C .?C H =1021 mmHg 6

6

?C H =407 mmHg 7

8

S"&'!/( A'$"0and $a $!+ d! Ra($%: %!n!&) ?total= x C H ?C H + x C H ?C H =0.541 mol 6

6

6

6

7

?total=739.2 mmHgx

8

7

8

1 atm 760 mmHg

C 6 H 6 C H x 1021 mmHg +0.459 mol 7 8 x 407 mmHg mol mol

=0.973 atm ?o 1.65a%&

<9 Ca$0($! !tan7(e ;a%&9: $a fra00"n &$ar d!
F'e(.e U)and $) da%) d! $a %a<$a .-# =75 - C . ?C H =648 mmHg 6

6

?C H =244 mmHg 7

8

S"&'!/( A'$"0and $a $!+ d! Ra($%: %!n!&) ?tan7(e = x C H ?C H + x C H ?C H = 0.439 mol 6

6

6

6

7

8

7

8

C 6 H 6 C H x 648 mmHg + 0.561 mol 7 8 x 244 mmHg mol mol

¿ 284 + 137 mmHg =421 mmHg. ? t an7(e =0.554 atm y C H = 6

6

284 mmHg 421 mmHg

= 0.675 molC 6 H 6 b%g / mol

( )

mol & 75 - C s 3.1mol!s 0.65 C 6 H 6 (v 0.541 C 6 H 6 0.3*5 C H ( % ) 03+.? 0.45 C 7 H 8 mol n & 75 - C ? atm l Ba$an0!0#C" &$aro 5.- n% + n l s Ba$an0! C H : 1.4-.- 1.6 n%0.43 1.45 C 6 H 6nl (l n%

7

( )

6

6

8

mol s li7(idomol nl=52.92 s n% =40.27 %apor

09 Ca$0($! $a #!$0"dad d! a$"&!n%a0"n n!0!)ar"a !n "$a%%). En 6C

SUSTANCI A Be(e(" Be(e("

ˇ /(era ´ H n/(era

ndentro ´ ˇ dentro H −−¿

5-.1 1 5.5 1

1.4*.-

T"&'e("

−−¿

T"&'e("

4*.6 *.4

*6.-

n´ d!n%r &$2) ˇ d!n%r *5.*5 H J2&$ -5.1 *.

k= mol ˇ =0.176 ( 90−75 ) =2.64 k= C 7 H 8 : l & 90 - C : H mol

ˇ = 0.144 ( 90− 75 )= 2.16 C H : l& 90 - C : H 6

6

8.01−75 + 30.77 +

k= − [ 0.074 + 0.330 x 1 0 # ] d# =31.0 80.1 mol 75

3

ˇ =0.144 ¿ C 6 H 6 : % & 75 - C : H 110.6 −75 + 33.47 +

35.3 k= − 0.0942 + 0.380 x 1 0 # ]= [ mol 110.6 75

3

ˇ =0.176 ¿ C 7 H 8 : % & 75 - C : H

B+&+(e $e e(er)*+ ´ = ∑ n´ i H ˇ i− ∑ n´ i H ˇ i=1082 k= x 1 kW =1082 kW Q´ = ∆ H /(era

dentro

s

1

k= s

d9 Una ,ra d!)'(?) d! =(! )! arran0a !$ )")%!&a: )! 0rr! (n an8$")") 0r&a%r8f"0 d!$ #a$r 'rd(0"d + )! d!%!r&"na =(! $a fra00"n &$ar d!$
Re#@'e#.+ la composición de la composición cambio; el análisis cromatográfico es incorrecto; la tarifa de la calefacción cambió; el sistema

no está en estado estacionario; la ley de Raoult y/o la ecuación de Antonie son solamente aproximaciones; el vapor y las corrientes líquidas no están en equilibrio.

!9 E3'$"=(! !n fr&a K(! )! r!=("r"a 'ara =(! $a (n"dad f(n0"nara d! &an!ra ")%?r&"0a@ Respuesta: El calor se requiere para vaporiar al líquido y el calor se pierde de

cualquier recipiente para el cual !" # ambiente . #i se proporciona un calor insuficiente al vaso$ la temperatura desciende. %ara e&ecutar el experimento isot'rmicamente$ se requiere una mayor tasa de calentamiento

F"r.+&e+

O@"r.'(!$+$e#

E$ !n(n0"ad n !) &(+ 0&'$!7 Sn &(+ !)0a)) $) da%) a 'r!)!n%ar

T!n!r
De5!&!$+$e#

A?e(+ +# B()0ar + $!!r %d N d!%!n"da&!n%!. !n%r!ar U)ar $a 0&'(%adra !$ d!
84 E$ $%"& r!'r%! d!$ 0$"&a d"0! =(! $a %!&'!ra%(ra !) d! *4C + $a ,(&!dad r!$a%"#a !) 1/ a9 U%"$"0! !$ d"ara&a ')"0&?%r"0 'ara !)%"&ar $a ,(&!dad a<)$(%a: !$ #$(&!n ,&!d: $a !n%a$'"a !)'!0íf"0a: $a %!&'!ra%(ra d! <($< ,&!d: + $a %!&'!ra%(ra d!$ '(n% d! r0" d!$ a"r!.

S"&'!/( Para *4C: + 1/ ,(&!dad r!$a%"#a: 'ara $a f"(ra .4-. H(&!dad A<)$(%a 1.115 a(a 2 DA: V$(&!n ,&!d 1. m3 30 kg En%a$'"a !)'!0"f"0a ;41.*9 J2 DA 46.72 DA P(n% d! r0" -5C: # ab=17 -C <9 S" &n%a (n %!r&&!%r !n !$ 'r%a$ %ra)!r d! )( ,ar: >K(? %!&'!ra%(ra &!d"r8@  Va a &!d"r $a %!&'!ra%(ra a&<"!n%!: *4C. 09 Una &(!)%ra d! a"r! d!$ !3%!r"r )! !nfría a 'r!)"n 0n)%an%!. >A =(? %!&'!ra%(ra )! "n"0"ara $a 0nd!n)a0"n@

F'e(.e F"(ra .4 T&and 0& -5C: d! '(n% d! r0". d9 E)%a nadand !n $a '")0"na d!$ #!0"ndar" + a$ )a$"r )"!n%! &(0, fr" ,a)%a =(! )! )!0a: >'r=(!@ E)%"&a $a %!&'!ra%(ra d! )( '"!$

&"!n%ra) a(n !)%a &7ada. E3'$"=(! )( r!)'(!)%a. >K(? d"f!r"ría )" $a ,(&!dad r!$a%"#a f(!ra /@

S"&'!/( E$ a(a )! !#a'ra: 0a()and =(! $a %!&'!ra%(ra d! $a '"!$
# piel =13 - C ( # bh ) A$ / ,(&!dad r!$a%"#a: $a %a)a d! !#a'ra0"n )!ría &!nr: !)%aría &8) 0!r0a d! $a # ambiente : 'r !nd! +a n )!n%"ría &a) fr".

F"r.+&e+ E$ !n(n0"ad n !) &(+ 0&'$!7 Sn &(+ !)0a)) $) da%) a 'r!)!n%ar

O@"r.'(!$+$e # T!n!r
De5!&!$+$e#

# piel

A?e(++#

B()0ar + $!!r N !n%r!ar !$ %d d!
870 Un r!0"'"!n%! a<"!r% =(! 0n%"!n! 1.*1 lb m d! a(a $í=("da )! 0$0a !n 0(ar% #a0í d!  f% d! an0,: 4f% d! 'rf(nd"dad + 6 f% d! a$%: =(! (n "n"0" 0n%"!n! a"r! )!0 0n 1F. Tda !$ a(a )! !#a'ra )"n &d"f"0ar $a %!&'!ra%(ra a&<"!n%!. U%"$"0! !$ d"ara&a ')"0&?%r"0 'ara !)%"&ar $a ,(&!dad r!$a%"#a f"na$. La %!&'!ra%(ra d! <($< ,&!d: !$ #$(&!n ,&!d: $a %!&'!ra%(ra d!$ '(n% d! r0" + !n%a$'"a !)'!0"f"0a d!$ a"r! d! $a ,a<"%a0"n. Cn)"d!r! =(! !$ '!) &$!0($ar d!$ a"r! )!0 !)*.1 +: 'r )"&'$"0"dad: )('na =(! $a &a)a d! a"r! )!0 !n $a ,a<"%a0"n '!r&an!0! 0n)%an%!: a )( #a$r "n"0"a$.

' c(arto =141 /t 3  DA a"r! )!0.

m 30 =140

/t 3∗lb∗- 8 ∗29 lb m 30 3 0.7302 /t ∗atm ∗1 atm lb∗mol =10.1 lbm 30 550 - 8 ha =

0.205 lb m H 2 O 10.1 lbm 30

=0.0203

lb m H 2 O lb m 30

S"&'!/( D!)d! $a %a<$a ')"0&?%r"0a: )a0ar!&) $) )"("!n%!) da%).

F'e(.e F". .4# db=90 - A & ha=0.0903

c =¿ 6/ h¿

# b h=¿ 1 F

# O(nto rocBo=77.3 - A


/t 3 ' =14.3 lbm 30 ^

$ = 44.0−0.11

O@"r.'(!$+$e # T!n!r
≅

43.9

De5!&!$+$e#

*#+ lb m

A?e(++#

B()0ar + $!!r N !n%r!ar !$ %d d!
871 E$ ')"0&?%r"0 d! 0aK("?n ana $a a'(!)%a@

# bs=35 - C

hr =55

-l #ano

# bh = 2° C


O@"r.'(!$+$e # T!n!r
De5!&!$+$e#

A?e(++#

B()0ar + $!!r N !n%r!ar !$ %d d!
872 Un &a%ra 0!rrad d! * $"%r) 0n%"!n! a"r! ,(&!d a 41C. E$ &a%ra )! !nfr"a d!)'a0": + 0(and $a %!&'!ra%(ra $$!a a *1C: )! ,a0!n #")"<$!) %a) d! ,(&!dad )K(? #a$r %"!n!n $a ,(&!dad r!$a%"#a: $a ,(&!dad a<)$(%a + $a %!&'!ra%(ra d!$ <($< ,&!d d! a"r! a 41C@

# bs=40 - C : # p(nto de rocBo=20 - C

S"&'!/( D!)d! $a %a<$a ')"0&?%r"0a: d! a=(í )a0a&) %d) $) !)%ad).

F'e(.e F". .4-

hr =33 : ha =0.0148

Kg H 2 O Kgaire seco

# bh=25.5 - C

<9 Ca$0($! $a &a)a d! a(a !n !$ &a%ra ;V!a !$ !7!&'$ .49

Masa del aire seco

L∗1 m3 ∗1 Kgaireseco 3 10 L =2.2 x 10−3 kgaire seco mas=2.00 3 0.92 m ( /ig .8.4 −1 ) Masa del agua

−3

2.2 x 10

kg aireseco∗0.0148 Kg H 2 O ∗103 g 1 kgaireseco =0.033 g H 2 O 1 Kg

09 Ca$0($! !$ 0a&<" d! !n%a$'"a !n 7($!) =(! )(fr! !$ a"r! a$ 'a)ar d! 41C a *1C. Ĥ 41

KJ

KJ

=77.4 C: 55/ ,(&!dad r!$a%"#a  6.1  1. kg kg aireseco aire seco

F'e(.e /ig .8.4 −1 Ĥ *1

KJ

C: )a%(rad 6. kg aireseco kg aire seco∗57.5 −77.4 KJ 3 ∗10 J kgaire seco −3 =−44 J ∆ H 40 . 20=2.2 x 10 1 KJ

d9 E)0r"
n= 2.2 x 10−3

kg aireseco∗103 g ∗1 mol O∗1 mol 1 Kg +0.033 g H 2 =0.078 mol 29 g 18 g

Q = ∆+ =n ∆ =n ∆ $ − 8 ∆ # =∆ H − n8∆#

¿− 44 J −0.078

mol∗8.314 J C ∗1 K ∗20− 40 =−31 J (23 J trans/eridodesdeelaire ) mol∗ K 1 - C


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m ∗ H − ∑ m∗ H = 0 ∑ sale entra


-5.-5* T .5 C

A&!naa) N !n%r!ar !$ d!
87 E& +!re + 3 C .e?@er+.'r+ $e 5'&5" #e"  J'?e$+$ re&+.!:+ $e 10 #e :+ J'?e$eer e( >"r?+ +$!+5%.!+ + 0 $e J'?e$+$ re&+.!:+ +6 e?@&ee e& $!+)r+?+ @#!"?9.r!" @+r+ e#.!?+r &+ .e?@er+.'r+ $e #+.'r+!/( +$!+5%.!+ $e& +!re U%"$"and !$ d"ara&a .4 -

Td< 4 C

Ta)T< *-.1 C

,a1.11  H*O2 d! a"r!

)!0 Hr -1/

56 e#.!?e & .e?@er+.'r+ >!(+& $e& +!re  &+ :e&"!$+$ + &+ '+& #e &e $e5e +)re)+r +)'+ @+r+ J'?e$eer 1 ) H?!( $e +!re $e e(.r+$+

T<*-.1 C H*O 2 d! a"r! )!0

Td< *.

,a1.1-4* 

Hr 1 / 1 kgde aire seco 1.0059 kg deaire 15 kg deaire

H*O  ;

9;

0.0142−0.0059 kg H 20

¿¿

min


1 kgde aire seco

¿=0.12 kg H 2 O / min

A&!naa) N !n%r!ar !$ d!
OAN DANIEL SANTANA TOAPANTA 8.) :%e a 50;C con ,n'o de oco 4;C en'a en ,n secado a <=11.3m 3m%n " sale sa',ado s%n calo. -l desecado >,nc%ona ad%a!?'%camen'e. '%l%ce el d%a#ama s%com&'%co aa de'em%na la @,medad a!sol,'a " el l,/o del a%e seco (#m%n) ,e asa o el desecado la 'emea',a >%nal del a%e " la
:%e a 50;C con ,n'o de oco 4;C en'a en ,n secado a <=11.3m 3m%n " sale sa',ado s%n calo. Con 4;C de 'emea',a de oco '%ene @,medad ela'%%co es de 0.92m 3# a%es eco 11.3 m

min

3

∗1 kgaire seco

0.92 m

3

=

12.3 kgaire seco

min

Con 22;C en la a'e sa'ada la @,medad ela'%
12.3 kgaireseco

-
min

∗( 0.00165 −0.0050 ) kgag(a kgaireseco

=

0.14 kbag(a

min

8.8) na sol,c%n de aDAca en a#,a se %cac%n del a%e ,ede cons%dease ad%a!?'%ca (%#,a de la ?#%na s%#,%en'e) ,'%l%ce el d%a#ama s%com&'%co aa esol
:DAca de 5E a 20E en sol,c%n con a%e a 45;C " 'emea',a de oco a 4;C eme#e sa',ado " es ad%a!?'%co. -n el d%a#ama de 45;C con 4;C de oco la 'emea',a sa',ada es de 20;C con @,medad de 0.0152#a#,a# a%e seco con %co de 0.908m 3# a%e seco " al %n%c%o con 5;C de oco la @,medad es de 0.005# a#,a# a%e seco. a.

=20;C la @,medad es 0.0152# a#,a# a%e seco

!. # a%e seco# aDAca

# a%e seco

m1#a%e

0.0050# a#,a

0.0152#a#,a#

1#

m2(#)

0.05#a#,a#

0.2# aD,ca #

0.8#a#,a# Balance de aDAca 0.05 ∗1= 0.2 m 2 m 2 =

0.05 0.2

=0.25 kg

Balance de a#,a

D 1∗0.00050 +1∗0.95= D 1∗0.0151 + 0.25∗0.8 m 1=

0.25∗ 0.8−0.95 0.00050 −0.0151

=74.25 kg aireseco 3

%=

74 kgaire seco∗0.908 m 1 kg aireseco

=67 m3

c. I mecan%smo(B>'3)

(20 −6.4 ) *#+ lbmaireseco =1.1 *#+ / / t 3 Q = ∆ H = Hb− Ha = 3 12.2 / t lbmaireseco ( 23−20 ) *#+ lbm aireseco =0.25 *#+ / / t 3 Q = ∆ H = Hd − Hc = 3 12.2 / t lbm aireseco

d. J%a#ama

0E

52E C

:

35E J

B

20;*


59;*

0;* 5;*

A&!naa) N !n%r!ar !$ d!
8.9) -l a%e >%o a 20°* 60mm @# de es%n " con 0Ede @,medad ela'%%cac%n oea en >oma d%a!?'%ca. se e,%ee ,e el a%e ,e eme#e de la ,n%dad de acond%c%onam%en'o es'e a 0°* " 'en#a 35Ede @,medad ela'%%#,a 8.42 aa esoleenc%a de calo necesa%as (!',>'3de en'ada) en cada ,no de los !ancos de se%en'es de calen'am%en'o. J. J%!,/o ,n d%a#ama s%com&'%co " seKale la 'a"ec'o%a ,e s%#,e el a%e en cada ,no de los 'es asos de es'e oceso. :%e >%o a 20;* con es%n de 60mmH# " 0E de @,medad ela'%%co es de 12.2>' 3l!m @,medad ela'%
a%e seco

" la

C,ando sale a 0;* " 35E la @,medad ela'%
( 0.0054 −0.0017 ) lbmag(a e%aporada ∗1 lbm airesec o 1 lbmaireseco −4 lbm ag(a = ∗ 3 10 3 / t 3 aire 12.2 / t aire Fr%a$!a E$ !n(n0"ad n !) &(+ 0&'$!7 Sn &(+ !)0a)) $) da%) a 'r!)!n%ar

A&!naa) N !n%r!ar !$ d!
8.80) -l en>%ado o ll,<%a es ,na '&cn%ca aa en>%a " @,m%d%>%ca o des@,m%d%>%ca el a%e on%&ndolo en con'ac'o con ,na ases%n de a#,a l,%da.

-l a#,a l,%da ,e sale de la 'oe se ec%c,la " en el caso de le des @,m%d%>%cac%n se en>a an'es de de
Trayectoria A: la 'emea',a del l,%do de en'ada se enc,en'a o enc%ma del ,n'o de oc% del a%e. el a#,a l%,%da se e%o oe%o al ,n'o de oc%o del a%e de en'ada .la 'emea',a del a%e ,e se one en con'ac'o con la ases%n >a desc%ende o de!a/o del ,n'o de oc% " el
Je es'e modo lle#amos a la %n'eesan'e concl,s%n de ,e es os%!le e'%a a#,a del a%e ase/ando a#,a en es'e Al'%mo s%eme " c,ando la 'emea',a del l%,%do de en'ada sea %n>e%o al ,n'o de oc% del a%e de en'ada. ,'%l%ce el d%a#ama s%com&'%co aa esol%ado o ll,<%a. a) na 'oe de ases%n se emlea aa en>%a " @,m%d%>%ca a%e con 'emea',as de !,l!o seco " !,l!o @Amedo de 40°C " 18°C esec'%,nc%onam%en'o de la 'oe es 'al ,e el a%e s%#,e ,na c,%cac%n ad%a!?'%ca FI,& can'%dad de a#,a de!e a#e#ase como comensac%n o %lo#amo de a%e seco 'a'ado !) na co%en'e de a%e a 3°C" son 50E de @,medad ela'%l,"e a %aa a 15°C " se des @,m%d%>%cac%n en ,na 'oe de ases%n. el a%e ,e eme#e de la 'oe es'a sa',ado. -l a#,a l,%da sale de la 'oe a 12°Ca'e se e'%a " el es'o se en>a " se ec%c,la. no se 'ans>%ee calo de la 'oe a s,s alededoes. calc,le la %ado (M).

a. :%e ,e en'a -n el d%a#ama con 40;C de 'emea',a de !,l!o seco " con 18;C 'emea',a de sa',ac%n '%ene ,na @,medad ela'%
:%e ,e sale -n el d%a#ama con 20;C de 'emea',a de !,l!o seco " con 18;C 'emea',a de sa',ac%n '%ene ,na @,medad ela'%
1# J:

40;C 18;C

1G J: 20;C

a#,a(#)

 a#,a+1N0.004=1N0.0122 m a#,a= (0.001220.004) #

a#,a

# J:= 0.0083#

a#,a

# J:

!. :%e ,e en'a -n el d%a#ama a 'emea',a de !,l!o seco a 3;C " 50E de @,medad la @,medad ela'%
H =

( 88.5− 0.5 ) KJ 88 KJ = kg aireseco kg aire seco

oles de a%e seco 1250 kg

h

maireseco=

∗1 kgaire seco

1.02 kg

=

1226 g aireseco

h

:%e ,e sale a 'emea',a de sa',ac%n a 15;C la @,medad ela'%
m= -n'ala

h

∗( 0.02− 0.0106 ) kgag(a kg aireseco

=11.6 kg ag(a

a#,a

# a%e seco "

Tarea 4- 4C- 2doparcial

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