PROCEDIMIENTO EXPERIMENTAL Instalar el equipo de Boyle con baño a temperatura constante, anotar lecturas iniciales, luego tomar las mediciones a diferentes volúmenes del gas en la columna para obtener valores de la presión.
Presión (𝟏𝟎𝟓 Pa)
Volumen (mL)
1
3
2.1
2.1
2.35
2
2.4
1.9
2.6
1.8
2.9
1.7
3.1
1.6
3.4
1.5
3.7
1.4
4.3
1.3
4.6
1.2
5.3
1.1
6
1
6.9
0.9
8
0.8
9.6
0.7
11.8
0.6
14.7
0.5
19.8
0.4
29.1
0.3
37.1
0.25
a) Grafica P vs V
GRÁFICA P Vs V 40 35
PRESIÓN
30 25 20 15 10 5 0 0
0.5
1
1.5
2
2.5
VOLUMEN
b) Grafica P vs 1/V
3
3.5
4
4.5
Grafico P vs 1/V 2 y = 6.7927x - 1.2267 R² = 0.9717
1.8
PRESIÓN (10^5PA)
1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
1/VOLUMEN
De los puntos obtenidos en la experiencia se escogen 10 de estos para resolver y encontrar K, hacemos uso de las otras ecuaciones:
Gas ideal
Van der Waals
Redlich-kwong
Por compresibilidad de los gases
Virial
Los puntos escogidos convenientemente son: Volumen (𝐦𝐋)
Presión (𝟏𝟎𝟓 Pa)
3
1
2.5
1.5
2.1
2.1
1.8
2.6
1.5
3.4
1.1
5.3
0.8
8
0.6
11.8
0.4
19.8
0.25
37.1
a) Grafica P vs V
MUESTRA DE LA GRÁFICA P Vs V 40
35 30 25
Presión
20 15 10 5 0 0
0.5
1
1.5
2
Volumen
2.5
3
3.5
b) Grafico P vs 1/V Esti ma
Grafico P vs 1/V
mo
4
3.5
s K
y = 2.9032x + 0.4501 R² = 0.9438
con
Presión (10^5 Pa)
3
los
2.5
pun
2
tos 1.5
real
1
es:
0.5 0 0
0.2
0.4
0.6
0.8
1/Volumen
𝑘1 = 𝑃1 𝑉1 = 1𝑥105 𝑃𝑎. 3𝑐𝑚3 = 3𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘2 = 𝑃2 𝑉2 = 1,51𝑥105 𝑃𝑎. 2,5𝑐𝑚3 = 3,775𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘3 = 𝑃3 𝑉3 = 2,1𝑥105 𝑃𝑎. 2,1𝑐𝑚3 = 4,41𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘4 = 𝑃4 𝑉4 = 2,6𝑥105 𝑃𝑎. 1,8𝑐𝑚3 = 4,68𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘5 = 𝑃5 𝑉5 = 3,4𝑥105 𝑃𝑎. 1,5𝑐𝑚3 = 5,1𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘6 = 𝑃6 𝑉6 = 5,3𝑥105 𝑃𝑎. 1,1𝑐𝑚3 = 5,83𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘7 = 𝑃7 𝑉7 = 8𝑥105 𝑃𝑎. 0,8𝑐𝑚3 = 6,4𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘8 = 𝑃8 𝑉8 = 11,8𝑥105 𝑃𝑎. 0,6𝑐𝑚3 = 7,08𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘9 = 𝑃9 𝑉9 = 19,8𝑥105 𝑃𝑎. 0,4𝑐𝑚3 = 7,92𝑥105 𝑃𝑎. 𝑐𝑚3 𝑘10 = 𝑃10 𝑉10 = 37,1𝑥105 𝑃𝑎. 0,25𝑐𝑚3 = 9,275𝑥105 𝑃𝑎. 𝑐𝑚3
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 =
(3+3,775+4,41+4,68+5,1+5,83+6,4+7,08+7,92+9,275)𝑥105 𝑃𝑎.𝑐𝑚3 10
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 = 5,7465𝑃𝑎. 𝑐𝑚3
1
1.2
ECUACIÓN DE LOS GASES IDEALES
PVm RT Vm n V PV k
𝑅 = 83,14𝑥105
𝑃𝑎. 𝑐𝑚3 𝑚𝑜𝑙. 𝑘
𝑇 = 298𝑘 Para el punto 1: 𝑃1 = 1𝑥105 𝑃𝑎
𝑉1 = 3𝑐𝑚3
𝑛 = 0,00012𝑚𝑜𝑙
𝑃1 𝑉𝑚1 = 𝑅𝑇 5
1𝑥10 𝑃𝑎𝑉𝑚1
𝑃𝑎. 𝑐𝑚3 = 83,14𝑥10 𝑥298𝑘 𝑚𝑜𝑙. 𝑘 5
𝑉𝑚1 = 24775,72
𝑐𝑚3 𝑚𝑜𝑙
𝑉1 = 𝑉𝑚1 𝑛 = 2,974𝑐𝑚3 𝑘1 = 𝑃1 𝑉1 = 1𝑥105 𝑃𝑎. 2,974𝑐𝑚3 = 297400𝑃𝑎. 𝑐𝑚3
Para el punto 2: 𝑃2 = 1,51𝑥105 𝑃𝑎
𝑉2 = 2.5𝑐𝑚3
𝑃2 𝑉𝑚2 = 𝑅𝑇 1,51𝑥105 𝑃𝑎𝑉𝑚2 = 83,14𝑥105 𝑉𝑚2 = 16407,76
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑛 = 0,00015𝑚𝑜𝑙
𝑉2 = 𝑉𝑚2 𝑛 = 2,461164𝑐𝑚3 𝑘2 = 𝑃2 𝑉2 = 1,51𝑥105 𝑃𝑎. 2,461164𝑐𝑚3 = 371635,16𝑃𝑎. 𝑐𝑚3
Para el punto 3: 𝑃3 = 2,1𝑥105 𝑃𝑎
𝑉3 = 2,1𝑐𝑚3
𝑛 = 0,00017𝑚𝑜𝑙
𝑃3 𝑉𝑚3 = 𝑅𝑇 2,1𝑥105 𝑃𝑎𝑉𝑚3 = 83,14𝑥105 𝑉𝑚3 = 11797,96
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑐𝑚3 𝑚𝑜𝑙
𝑉3 = 𝑉𝑚3 𝑛 = 2,00565𝑐𝑚3 𝑘3 = 𝑃3 𝑉3 = 2.1𝑥105 𝑃𝑎. 2,0065𝑐𝑚3 = 421186,5𝑃𝑎. 𝑐𝑚3
Para el punto 4: 𝑃4 = 2,6𝑥105 𝑃𝑎
𝑉4 = 1.8𝑐𝑚3
𝑛 = 0,00018𝑚𝑜𝑙
𝑃4 𝑉𝑚4 = 𝑅𝑇 2,6𝑥105 𝑃𝑎𝑉𝑚4 = 83,14𝑥105 𝑉𝑚4
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑐𝑚3 = 9529,1231 𝑚𝑜𝑙
𝑉4 = 𝑉𝑚4 𝑛 = 1,71524𝑐𝑚3 𝑘4 = 𝑃4 𝑉4 = 2,6𝑥105 𝑃𝑎. 1,71524𝑐𝑚3 = 445962,4𝑃𝑎. 𝑐𝑚3
Para el punto 5: 𝑃5 = 3,4𝑥105 𝑃𝑎
𝑉5 = 1,5𝑐𝑚3
𝑃5 𝑉𝑚5 = 𝑅𝑇 3,4𝑥105 𝑃𝑎𝑉𝑚5 = 83,14𝑥105 𝑉𝑚5 = 7286,9764
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑛 = 0,00021𝑚𝑜𝑙
𝑉5 = 𝑉𝑚5 𝑛 = 1,53026𝑐𝑚3 𝑘5 = 𝑃5 𝑉5 = 3,4𝑥105 𝑃𝑎. 1,53026𝑐𝑚3 = 520322,4𝑃𝑎. 𝑐𝑚3
Para el punto 6: 𝑃6 = 5,3𝑥105 𝑃𝑎
𝑉6 = 1,1𝑐𝑚3
𝑛 = 0,000235𝑚𝑜𝑙
𝑃6 𝑉𝑚6 = 𝑅𝑇 5,3𝑥105 𝑃𝑎𝑉𝑚6 = 83,14𝑥105 𝑉𝑚6 = 4674,664
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑐𝑚3 𝑚𝑜𝑙
𝑉6 = 𝑉𝑚6 𝑛 = 1,098𝑐𝑚3 𝑘6 = 𝑃6 𝑉6 = 5,3𝑥105 𝑃𝑎. 1,098𝑐𝑚3 = 581940𝑃𝑎. 𝑐𝑚3
Para el punto 7: 𝑃7 = 8𝑥105 𝑃𝑎
𝑉7 = 0,8𝑐𝑚3
𝑛 = 0,000258𝑚𝑜𝑙
𝑃7 𝑉𝑚7 = 𝑅𝑇 8𝑥105 𝑃𝑎𝑉𝑚7 = 83.14𝑥105 𝑉𝑚7
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑐𝑚3 = 3096,965 𝑚𝑜𝑙
𝑉7 = 𝑉𝑚7 𝑛 = 0,799𝑐𝑚3 𝑘7 = 𝑃7 𝑉7 = 8𝑥105 𝑃𝑎. 0,799𝑐𝑚3 = 639200𝑃𝑎. 𝑐𝑚3
Para el punto 8: 𝑃8 = 11,8𝑥105 𝑃𝑎
𝑉8 = 0,6𝑐𝑚3
𝑃8 𝑉𝑚8 = 𝑅𝑇 11,8𝑥105 𝑃𝑎𝑉𝑚8 = 83,14𝑥105 𝑉𝑚8 = 2099,637
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑛 = 0,000285𝑚𝑜𝑙
𝑉8 = 𝑉𝑚8 𝑛 = 0,598𝑐𝑚3 𝑘8 = 𝑃8 𝑉8 = 11,8𝑥105 𝑃𝑎. 0,598𝑐𝑚3 = 705640𝑃𝑎. 𝑐𝑚3
Para el punto 9: 𝑃9 = 19,8𝑥105 𝑃𝑎
𝑉9 = 0,4𝑐𝑚3
𝑛 = 0,000319𝑚𝑜𝑙
𝑃9 𝑉𝑚9 = 𝑅𝑇 19,8𝑥105 𝑃𝑎𝑉𝑚9 = 83,14𝑥105 𝑉𝑚9 = 1251,298
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑐𝑚3 𝑚𝑜𝑙
𝑉9 = 𝑉𝑚9 𝑛 = 0,399𝑐𝑚3 𝑘9 = 𝑃9 𝑉9 = 19,8𝑥105 𝑃𝑎. 0,399𝑐𝑚3 = 790020𝑃𝑎. 𝑐𝑚3
Para el punto 10: 𝑃10 = 37,1𝑥105 𝑃𝑎
𝑉10 = 0,25𝑐𝑚3
𝑛 = 0,000374𝑚𝑜𝑙
𝑃10 𝑉𝑚10 = 𝑅𝑇 37,1𝑥105 𝑃𝑎𝑉𝑚10 = 83,14𝑥105 𝑉𝑚10
𝑃𝑎. 𝑐𝑚3 𝑥298𝑘 𝑚𝑜𝑙. 𝑘
𝑐𝑚3 = 667,809 𝑚𝑜𝑙
𝑉10 = 𝑉𝑚10 𝑛 = 0,249𝑐𝑚3 𝑘10 = 𝑃10 𝑉10 = 37,1𝑥105 𝑃𝑎. 0,249𝑐𝑚3 = 923790𝑃𝑎. 𝑐𝑚3
Hallando el k promedio: 𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 =
𝑘1 + 𝑘2 + 𝑘3 + 𝑘4 + 𝑘5 + 𝑘6 + 𝑘7 + 𝑘8 + 𝑘9 + 𝑘10 10
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 (297400 + 371635,16 + 421186,5 + 445962,4 + 520322,4 + 581940 + 639200 + 705640 + 790020 + 923790) = 10
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 = 569709,646𝑃𝑎. 𝑐𝑚3 a) Gráfico P vs V
Gráfico P vs V 40 35 30
PRESIÓN
25 20 15 10 5 0 0
0.5
1
1.5
2
2.5
3
3.5
VOLUMEN
b) Gráfico P vs 1/V
Gráfico P vs 1/V 40 35 30
Presión
25 20 15 10 5 0 0
0.5
1
1.5
2
2.5
1/Volumen
3
3.5
4
4.5
ECUACIÓN DE VAN DER WAALS
𝑽𝟑𝒎 − (𝒃 +
𝑹𝑻 𝟐 𝒂 𝒂𝒃 ) 𝑽𝒎 + ( )𝑽𝒎 − =𝟎 𝑷 𝑷 𝑷
𝑃𝑎. 𝑐𝑚3 𝑚𝑜𝑙. 𝑘 𝑇 = 298𝑘
𝑅 = 83,14𝑥105
Cálculo del a y b para el aire, considerando que su composición es: 21% O 2 y 79% N2 𝑎̅ = ∑ 𝑥𝑖 . 𝑎𝑖 𝑖
𝑎̅ = 𝑥𝑁2 . 𝑎𝑁2 + 𝑥𝑂2 . 𝑎𝑂2
De datos obtenidos en tablas:
𝑎𝑁2 = 1,39
𝑎𝑡𝑚.𝑑𝑚6 𝑚𝑜𝑙2
𝑎𝑂2 = 1,36
𝑎𝑡𝑚.𝑑𝑚6 𝑚𝑜𝑙2
Reemplazando: 𝑎̅ = (0,79) × (1,39
𝑎𝑡𝑚. 𝑑𝑚6 𝑎𝑡𝑚. 𝑑𝑚6 (0,21) )+ × (1,36 ) 𝑚𝑜𝑙 2 𝑚𝑜𝑙 2 𝑎̅ = 1,38
𝑎𝑡𝑚. 𝑑𝑚6 𝑚𝑜𝑙 2
Realizamos el mismo procedimiento para hallar la otra constante:
𝑏̅ = ∑ 𝑥𝑖 . 𝑏𝑖 𝑖
𝑏̅ = 𝑥𝑁2 . 𝑏𝑁2 + 𝑥𝑂2 . 𝑏𝑂2
De datos obtenidos en tablas: 𝑏𝑁2 = 3,913 × 10−2
𝑑𝑚3
𝑏𝑂2 = 3,183 × 10−2
𝑚𝑜𝑙
𝑑𝑚3 𝑚𝑜𝑙
Reemplazando: 𝑏̅ = (0,79) × (3,913 × 10−2
𝑑𝑚3 𝑑𝑚3 ) + (0.21) × (3,183 × 10−2 ) 𝑚𝑜𝑙 𝑚𝑜𝑙
𝑏̅ = 0,0376
𝑑𝑚3 𝑚𝑜𝑙
Para un correcto trabajo, procedemos a hacer un cambio de unidades a las contantes a y b del aire: 𝑎̅ = 1.38
𝑎̅ = 1.38 × 101325 × 106
𝑎𝑡𝑚. 𝑑𝑚6 𝑃𝑎. 𝑐𝑚3 6 = 1.38 × 101325 × 10 𝑚𝑜𝑙 2 𝑚𝑜𝑙 2
𝑃𝑎.𝑐𝑚3 𝑚𝑜𝑙2
𝑏̅ = 0.0376
𝑑𝑚3 𝑐𝑚3 = 37.6 𝑚𝑜𝑙 𝑚𝑜𝑙
𝑏̅ = 37.6
𝑐𝑚3 𝑚𝑜𝑙
Para el punto 1: 𝑃1 = 1𝑥105 𝑃𝑎 𝑉1 = 3𝑐𝑚3 𝑉𝑚3 − (8258,57
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 6 𝑉 − ) 𝑉𝑚 + (4,66095𝑥105 ) (17,525172𝑥10 )=0 𝑚 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚𝑜𝑙 3
𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 1651714𝑉𝑚 + 466095 𝑉𝑚0 = 𝑉𝑚1
𝑅𝑇 𝑐𝑚3 = 24775,72 𝑃 𝑚𝑜𝑙
𝐹(24775,72 ) 𝑐𝑚3 = 24775,72 − ′ = 24763,563 𝐹 (24775,72 ) 𝑚𝑜𝑙
𝑉𝑚2 = 24763,563 −
𝐹( 24763,563) 𝑐𝑚3 = 24757,513 𝐹 ′ (24763,563 ) 𝑚𝑜𝑙
𝑉𝑚3 = 24757,513 −
𝐹(24757,513 ) 𝑐𝑚3 = 24754.499 𝐹 ′ (24757,513) 𝑚𝑜𝑙
𝑉𝑚4 = 24754.499 −
𝐹( 24754.499) 𝑐𝑚3 = 24752.995 𝐹 ′ (24754.499 ) 𝑚𝑜𝑙
𝑉𝑚5 = 24752.995 −
𝐹( 24752.995) 𝑐𝑚3 = 24752.995 𝐹 ′ (24752.995) 𝑚𝑜𝑙
𝑉𝑚 = 24752.995
𝑐𝑚3 𝑚𝑜𝑙
𝑛 = 0,00012𝑚𝑜𝑙 𝑉1 = 𝑉𝑚 𝑥𝑛 = 24752.995
𝑐𝑚3 𝑥 0,00012𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉1 = 2.9703594𝑐𝑚3 𝐾1 = 𝑃1 𝑥𝑉1 = 1𝑥105 𝑃𝑎 𝑥 2.9703594𝑐𝑚3 𝐾1 = 297035.94𝑃𝑎. 𝑐𝑚3
Para el punto 2: 𝑃2 = 1.5𝑥105 𝑃𝑎 𝑉2 = 2.5𝑐𝑚3 𝑉𝑚3 − (27721.94
𝑐𝑚3 2 𝑐𝑚9 ) 𝑉𝑚 + (9.32190𝑥105 𝑉𝑚 ) − (35.050344𝑥106 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 3
𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 55443.88𝑉𝑚 + 932190 𝑉𝑚0 = 𝑉𝑚1 = 16407.76 −
𝑅𝑇 𝑐𝑚3 = 16407.76 𝑃 𝑚𝑜𝑙
𝐹(16407.76 ) 𝑐𝑚3 = 16394.201 𝐹 ′ (16407.76 ) 𝑚𝑜𝑙
𝑉𝑚2 = 16394.201 −
𝐹( 16394.201) 𝑐𝑚3 = 16378.768 𝐹 ′ (16394.201 ) 𝑚𝑜𝑙
𝑉𝑚3 = 16378.768 − 𝑉𝑚4
𝐹(16378.768 ) 𝑐𝑚3 = 16374.53 𝐹 ′ (16378.768) 𝑚𝑜𝑙
𝐹( 16374.53) 𝑐𝑚3 = 16374.53 − ′ = 16373.287 𝐹 (16374.53 ) 𝑚𝑜𝑙
𝑉𝑚5 = 16373.287 −
𝐹( 16373.287) 𝑐𝑚3 = 16371.133 𝐹 ′ (16373.287) 𝑚𝑜𝑙
𝑐𝑚3 𝑉𝑚 = 16371.133 𝑚𝑜𝑙 𝑛 = 0,00015𝑚𝑜𝑙 𝑉2 = 𝑉𝑚 𝑥𝑛 = 16371.133
𝑐𝑚3 𝑥0,00015𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉2 = 2.456𝑐𝑚3 𝐾2 = 𝑃2 𝑥𝑉2 = 1.5𝑥105 𝑃𝑎 𝑥 2.456𝑐𝑚3 𝐾2 = 322800𝑃𝑎. 𝑐𝑚3
Para el punto 3: 𝑃3 = 2.1𝑥105 𝑃𝑎 𝑉3 = 2.1𝑐𝑚3 𝑉𝑚3 − (11835.56
𝑐𝑚3 2 𝑐𝑚9 ) 𝑉𝑚 + (6.65850𝑥105 𝑉𝑚 ) − (25.03596𝑥106 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 23671.12𝑉𝑚 + 665850 𝑉𝑚0 =
𝑅𝑇 𝑐𝑚3 = 11797.96 𝑃 𝑚𝑜𝑙
𝑉𝑚1 = 11797.96 −
𝐹(11797.96 ) 𝑐𝑚3 = 11779.11 𝐹 ′ (11797.96 ) 𝑚𝑜𝑙
𝑉𝑚2 = 11779.11 −
𝐹( 11779.11) 𝑐𝑚3 = 11779.04 𝐹 ′ (11779.11) 𝑚𝑜𝑙
𝑉𝑚3 = 11779.04 −
𝐹(11779.04) 𝑐𝑚3 = 11779.04 𝐹 ′ (11779.04) 𝑚𝑜𝑙 𝑉𝑚 = 11779.04
𝑐𝑚3 𝑚𝑜𝑙
𝑛 = 0,00017𝑚𝑜𝑙
𝑉3 = 𝑉𝑚 𝑥𝑛 = 11779.04
𝑐𝑚3 𝑥0,00017𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉3 = 2.002𝑐𝑚3 𝐾3 = 𝑃3 𝑥𝑉3 = 2.1𝑥105 𝑃𝑎 𝑥 2.002𝑐𝑚3 𝐾3 = 420420𝑃𝑎. 𝑐𝑚3
Para el punto 4: 𝑃4 = 2.6𝑥105 𝑃𝑎 𝑉4 = 1.8𝑐𝑚3 𝑉𝑚3 − (9566.72
𝑐𝑚3 2 𝑐𝑚9 ) 𝑉𝑚 + (5.378019𝑥105 𝑉𝑚 ) − (20.221352𝑥106 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 19133.44𝑉𝑚 + 537801.9 𝑉𝑚0
𝑉𝑚1
𝑅𝑇 𝑐𝑚3 = = 9529.1231 𝑃 𝑚𝑜𝑙
𝐹(9529.1231 ) 𝑐𝑚3 = 9529.1231 − ′ = 9510.4682 𝐹 (9529.1231 ) 𝑚𝑜𝑙
𝑉𝑚2 = 9510.4682 −
𝐹(9510.4682) 𝑐𝑚3 = 9510.3947 𝐹 ′ (9510.4682 ) 𝑚𝑜𝑙
𝑉𝑚3 = 9510.3947 −
𝐹(9510.3947 ) 𝑐𝑚3 = 9510.3947 𝐹 ′ (9510.3947) 𝑚𝑜𝑙 𝑐𝑚3 𝑉𝑚 = 9510.3947 𝑚𝑜𝑙 𝑛 = 0,00018𝑚𝑜𝑙 𝑉4 = 𝑉𝑚 𝑥𝑛 = 9510.3947
𝑐𝑚3 𝑥0,00018𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉2 = 1.7119𝑐𝑚3 𝐾4 = 𝑃4 𝑥𝑉4 = 2.6𝑥105 𝑃𝑎 𝑥 1.7119𝑐𝑚3 𝐾4 = 445094𝑃𝑎. 𝑐𝑚3
Para el punto 5: 𝑃5 = 3.4𝑥105 𝑃𝑎 𝑉5 = 1.5𝑐𝑚3 𝑉𝑚3 − (7286.97
𝑐𝑚3 2 𝑐𝑚9 ) 𝑉𝑚 + (4.11260𝑥105 𝑉𝑚 ) − (15.463387𝑥106 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 3
𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 14573.95𝑉𝑚 + 411260 𝑉𝑚0 = 𝑉𝑚1
𝑅𝑇 𝑐𝑚3 = 7286.98 𝑃 𝑚𝑜𝑙
𝐹(7286.98 ) 𝑐𝑚3 = 7286.98 − ′ = 7231.255 𝐹 (7286.98 ) 𝑚𝑜𝑙
𝑉𝑚2 = 7231.255 −
𝐹( 7231.255) 𝑐𝑚3 = 7230.386 𝐹 ′ (7231.255 ) 𝑚𝑜𝑙
𝑉𝑚3 = 7230.386 −
𝐹(7230.386 ) 𝑐𝑚3 = 7230.386 𝐹 ′ (7230.386) 𝑚𝑜𝑙 𝑐𝑚3 𝑉𝑚 = 7230.386 𝑚𝑜𝑙 𝑛 = 0,00021𝑚𝑜𝑙 𝑉5 = 𝑉𝑚 𝑥𝑛 = 7230.386
𝑐𝑚3 𝑥0,00021𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉5 = 1.5185𝑐𝑚3 𝐾5 = 𝑃5 𝑥𝑉5 = 3.4𝑥105 𝑃𝑎 𝑥1.5185𝑐𝑚3 𝐾5 = 516290𝑃𝑎. 𝑐𝑚3
Para el punto 6: 𝑃6 = 5,3𝑥105 𝑃𝑎 𝑉6 = 1,1𝑐𝑚3 𝑉𝑚3 − (4312,264
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 6 𝑉 − ) 𝑉𝑚 + (2,638273𝑥105 ) (9,9919𝑥10 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 8624,528𝑉𝑚 + 263827,3 𝑉𝑚0 =
𝑅𝑇 𝑐𝑚3 = 4674,6641 𝑃 𝑚𝑜𝑙
𝑉𝑚1 = 4674,6641 −
𝐹(4674,6641 ) 9142654657 𝑐𝑚3 = 4674,6641 − = 4316,1920 𝐹 ′ (4674,6641 ) 25504509,22 𝑚𝑜𝑙
𝑉𝑚2 = 4316,1920 −
𝐹( 4316,1920) 1201914356 𝑐𝑚3 = 4316,1920 − = 4252,6902 𝐹 ′ (4316,1920 ) 18927248,91 𝑚𝑜𝑙
𝑉𝑚3 = 4252,6902 −
𝐹(4252,6902 ) 34569423,34 𝑐𝑚3 = 4252,6902 − = 4250,7527 𝐹 ′ (4252,6902) 17842503,41 𝑚𝑜𝑙
𝑉𝑚4 = 4250,7527 −
𝐹( 4250,7527) 31270.48721 𝑐𝑚3 = 4250,7527 − = 4250,7527 𝐹 ′ (4250,7527 ) 17809787.17 𝑚𝑜𝑙
𝑉𝑚 = 4250,7527
𝑐𝑚3 𝑚𝑜𝑙
𝑛 = 0,000235𝑚𝑜𝑙 𝑐𝑚3 𝑉6 = 𝑉𝑚 𝑥𝑛 = 4250,7527 𝑥 0,000235𝑚𝑜𝑙 𝑚𝑜𝑙 𝑉6 = 0,99893𝑐𝑚3 𝐾6 = 𝑃6 𝑥𝑉6 = 5,3𝑥105 𝑃𝑎 𝑥 0,99893𝑐𝑚3 𝐾6 = 529432,9𝑃𝑎. 𝑐𝑚3
Para el punto 7: 𝑃7 = 8𝑥105 𝑃𝑎 𝑉7 = 0,8𝑐𝑚3 𝑉𝑚3 − (3134,565
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 6 𝑉 − ) 𝑉𝑚 + (1,747856𝑥105 ) (6,5719𝑥10 )=0 𝑚 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 6269,13𝑉𝑚 + 174785,6 𝑉𝑚0 =
𝑉𝑚1 = 3096,965 −
𝐹( 3096,965) 𝐹 ′ (3096,965 )
𝑉𝑚2 = 3078,7019 − 𝑉𝑚3
𝑅𝑇 𝑐𝑚3 = 3096,965 𝑃 𝑚𝑜𝑙
= 3096,965 −
174104158,6 𝑐𝑚3 = 3078,7019 9533086,043 𝑚𝑜𝑙
𝐹(3078,7019 ) 2047750,723 𝑐𝑚3 = 3078,7019 − = 3078,4819 𝐹 ′ (3078,7019 ) 9309219,325 𝑚𝑜𝑙
𝐹(3078,4819 ) 17,77524 𝑐𝑚3 = 3078,4819 − ′ = 3078,4819 − = 3078,4819 𝐹 (3078,4819 ) 9306534,792 𝑚𝑜𝑙
𝑉𝑚4 = 3078,4818 −
𝐹(3078,4818 ) −912,87812 𝑐𝑚3 = 3078,4818 − = 3078,4819 𝐹 ′ ( 3078,4818) 9306533,572 𝑚𝑜𝑙 𝑉𝑚 = 3078,4819
𝑐𝑚3 𝑚𝑜𝑙
𝑛 = 0,000258𝑚𝑜𝑙 𝑐𝑚3 𝑉7 = 𝑉𝑚 𝑥𝑛 = 3078,4819 𝑥 0,000258𝑚𝑜𝑙 𝑚𝑜𝑙 𝑉7 = 0,79425𝑐𝑚3 𝐾7 = 𝑃7 𝑥𝑉7 = 8𝑥105 𝑃𝑎 𝑥 0,79425𝑐𝑚3 𝐾7 = 635400𝑃𝑎. 𝑐𝑚3
Para el punto 8: 𝑃8 = 11,8𝑥105 𝑃𝑎 𝑉8 = 0,6𝑐𝑚3 𝑉𝑚3 − (2137,237
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 6 𝑉 − ) 𝑉𝑚 + (1,184987𝑥105 ) (4,4555𝑥10 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 4274,474𝑉𝑚 + 118498,7 𝑉𝑚0 =
𝑅𝑇 𝑐𝑚3 = 2099,6372 𝑃 𝑚𝑜𝑙
𝑉𝑚1 = 2099,6372 −
𝐹(2099,6372 ) 78590948,79 𝑐𝑚3 = 2099,6372 − = 2081,6492 𝐹 ′ ( 2099,6372) 4369083,194 𝑚𝑜𝑙
𝑉𝑚2 = 2081,6492 −
𝐹(2081,6492 ) 1340645,282 𝑐𝑚3 = 2081,6492 − = 2081,3315 𝐹 ′ (2081,6492) 4220333,493 𝑚𝑜𝑙
𝑉𝑚3 = 2081,3315 −
𝐹(2081,3315 ) 259,9039 𝑐𝑚3 = 2081,3315 − = 2081,3314 𝐹 ′ (2081,3315 ) 4217723.757 𝑚𝑜𝑙
𝑉𝑚4 = 2081,3314 −
𝐹( 2081,3314) −161.86843 𝑐𝑚3 = 2081,3314 − = 2081,3314 𝐹 ′ ( 2081,3314) 4217722.935 𝑚𝑜𝑙 𝑉𝑚 = 2081,3314
𝑐𝑚3 𝑚𝑜𝑙
𝑛 = 0,000285𝑚𝑜𝑙 𝑉8 = 𝑉𝑚 𝑥𝑛 = 2081,3314
𝑐𝑚3 𝑥 0,000285𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉8 = 0,59318𝑐𝑚3 𝐾8 = 𝑃8 𝑥𝑉8 = 11,8𝑥105 𝑃𝑎 𝑥 0,59318𝑐𝑚3 𝐾8 = 699952,4𝑃𝑎. 𝑐𝑚3
Para el punto 9: 𝑃9 = 19,8𝑥105 𝑃𝑎 𝑉9 = 0,4𝑐𝑚3 𝑉𝑚3 − (1288,898
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 6 𝑉 − ) 𝑉𝑚 + (0,706204𝑥105 ) (2,6553𝑥10 )=0 𝑚 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 2577,796𝑉𝑚 + 70620,4
𝑅𝑇 𝑐𝑚3 = 1251,2989 𝑃 𝑚𝑜𝑙
𝑉𝑚0 = 𝑉𝑚1 = 1251,2989 −
𝐹(1251,2989) 26841177,98 𝑐𝑚3 = 1251,2989 − = 1233,8952 𝐹 ′ (1251,2989) 1542273,912 𝑚𝑜𝑙
𝑉𝑚2 = 1233,8952 −
𝐹(1233,8952 ) 741890,6834 𝑐𝑚3 = 1233,8952 − = 1233,3861 𝐹 ′ (1233,8952 ) 1457382,383 𝑚𝑜𝑙
𝑉𝑚3 = 1233,3861 −
𝐹(1233,3861 ) −73,61255 𝑐𝑚3 = 1233,3861 − = 1233,3862 𝐹 ′ (1233,3861 ) 1454926,46 𝑚𝑜𝑙
𝑉𝑚4 = 1233,3862 −
𝐹(1233,3862) 71,88011 𝑐𝑚3 = 1233,3862 − = 1233,3862 𝐹 ′ (1233,3862) 1454926,942 𝑚𝑜𝑙 𝑉𝑚 = 1233,3862
𝑐𝑚3 𝑚𝑜𝑙
𝑛 = 0,000319𝑚𝑜𝑙 𝑉9 = 𝑉𝑚 𝑥𝑛 = 1233,3862
𝑐𝑚3 𝑥 0,000319𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉9 = 0,39345𝑐𝑚3 𝐾9 = 𝑃9 𝑥𝑉9 = 19,8𝑥105 𝑃𝑎 𝑥 0,39345𝑐𝑚3 𝐾9 = 779031𝑃𝑎. 𝑐𝑚3
Para el punto 10: 𝑃10 = 37,1𝑥105 𝑃𝑎 𝑉10 = 0,25𝑐𝑚3 𝑉𝑚3 − (705,409
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 6 𝑉 − ) 𝑉𝑚 + (0,376896𝑥105 ) (1,4171𝑥10 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 1410,818𝑉𝑚 + 37689,6 𝑉𝑚0 =
𝑅𝑇 𝑐𝑚3 = 667,8091 𝑃 𝑚𝑜𝑙
𝑉𝑚1 = 667,8091 −
𝐹( 667,8091) 6983968,276 𝑐𝑚3 = 667,8091 − = 651,6962 𝐹 ′ ( 667,8091) 433439,4833 𝑚𝑜𝑙
𝑉𝑚2 = 651,6962 −
𝐹(651,6962 ) 332816,616 𝑐𝑚3 = 651,6962 − = 650,8480 𝐹 ′ (651,6962 ) 392388,6818 𝑚𝑜𝑙
𝑉𝑚3 = 650,8480 −
𝐹(650,8480) 890,999367 𝑐𝑚3 = 650,8480 − = 650,8457 𝐹 ′ (650,8480) 390270,8836 𝑚𝑜𝑙
𝑉𝑚4 = 650,8457 −
𝐹(650,8457) 6,617068 𝑐𝑚3 = 650,8457 − = 650,8457 𝐹 ′ (650,8457) 390265,1468 𝑚𝑜𝑙 𝑐𝑚3 𝑉𝑚 = 650,8457 𝑚𝑜𝑙 𝑛 = 0,000374𝑚𝑜𝑙 𝑉10 = 𝑉𝑚 𝑥𝑛 = 650,8457
𝑐𝑚3 𝑥 0,000374𝑚𝑜𝑙 𝑚𝑜𝑙
𝑉10 = 0,24341𝑐𝑚3 𝐾10 = 𝑃10 𝑥𝑉10 = 37,1𝑥105 𝑃𝑎 𝑥 0,24341 𝑐𝑚3 𝐾10 = 903051,1𝑃𝑎. 𝑐𝑚3
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 297035.94 + 322800 + 420420 + 445094 + 516290 + 529432,9 + 635400 + 699952,4 + 779031 + 903051,1 = 10
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 = 554850.694𝑃𝑎. 𝑐𝑚3
a) Gráfica P vs V
Gráfica P vs V 40 35
PRESIÓN
30 25 20 15 10 5 0 0
0.5
1
1.5
2
2.5
3
3.5
VOLUMEN
b) Grafica P vs 1/V
Gráfica P vs 1/V 40
Presión
E C U A C I Ó N
35 30 25 20 15 10
5 0
D E
0
0.5
1
1.5
2
2.5
1/Volumen
REDLICH-KWONG
3
3.5
4
4.5
Vm3
RT 2 bRT a ab Vm (b2 )Vm 0 P P T .P T .P 𝑎𝑎𝑖𝑟𝑒 = 16,07𝑥106 𝑥 101325 𝑏𝑎𝑖𝑟𝑒 = 0,026𝑥103
𝑐𝑚6 𝑚𝑜𝑙 2 𝑘 −0,5
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 𝑅 = 83,14𝑥10 𝑚𝑜𝑙. 𝑘 𝑇 = 298𝑘 5
Para el punto 1: 𝑃1 = 3𝑥105 𝑃𝑎 𝑉1 = 1𝑐𝑚3 𝑉𝑚3 − (24775,72
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 ) 𝑉𝑚 + (15339.01147 ) 𝑉 − (314414.881 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 49551.44𝑉𝑚 + 15339.01147
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0
𝑉𝑚1 = 24775,72 −
𝑅𝑇 𝑐𝑚3 = = 24775,72 𝑃 𝑚𝑜𝑙
𝐹(24775,72 ) 379720638,4 𝑐𝑚3 = 24775,72 − = 24775.1014 𝐹 ′ (24775,72 ) 613851640.5 𝑚𝑜𝑙
𝑉𝑚2 = 24775.1014 −
𝐹(24775.1014) 18960,56 𝑐𝑚3 = 24775.1014 − = 24775.1013 𝐹 ′ (24775.1014) 613790337,9 𝑚𝑜𝑙
𝑉𝑚3 = 24775.1013 −
𝐹(24775.1013) 0.089744 𝑐𝑚3 = 24775.1013 − = 24775.1013 𝐹 ′ (24775.1013) 613790334 𝑚𝑜𝑙
𝑉𝑚 = 24775.1013
𝑐𝑚3 𝑚𝑜𝑙
Para el punto 2: 𝑃2 = 1.5𝑥105 𝑃𝑎 𝑉2 = 2.5𝑐𝑚3 𝑉𝑚3
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 − (16407,76 ) 𝑉 + (1054755.536 ) 𝑉 − (16349574.18 )=0 𝑚𝑜𝑙 𝑚 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 32815.52𝑉𝑚 + 1054755.536
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0 =
𝑉𝑚1 = 16407,76 −
𝑅𝑇 𝑐𝑚3 = 16407,76 𝑃 𝑚𝑜𝑙
𝐹(16407,76 ) 17289826120 𝑐𝑚3 = 16407,76 − = 16343.7874 𝐹 ′ (16407,76 ) 270269343.8 𝑚𝑜𝑙
𝐹(16343.7874) 134035395.8 𝑐𝑚3 = 16343.7874 − ′ = 16343.7874 − = 16343.2836 𝐹 (16343.7874) 266083034.5 𝑚𝑜𝑙
𝑉𝑚2
𝑉𝑚3 = 16343.2836 −
𝐹(16343.2836) 8278.1066 𝑐𝑚3 = 16343.2836 − = 16343.2836 𝐹 ′ (16343.2836) 266050168 𝑚𝑜𝑙
𝑉𝑚4 = 16343.2836 −
𝐹(16343.2836) −0.012 𝑐𝑚3 = 16343.2836 − = 16343.2836 𝐹 ′ (16343.2836) 266050168 𝑚𝑜𝑙
𝑉𝑚 = 16343.2836
𝑐𝑚3 𝑚𝑜𝑙
Para el punto 3: 𝑃3 = 2.1𝑥105 𝑃𝑎 𝑉3 = 2.1𝑐𝑚3 𝑉𝑚3
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 − (11797,96 ) 𝑉 + (755235.0858 ) 𝑉 − (11678267.27 )=0 𝑚𝑜𝑙 𝑚 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 23595.92𝑉𝑚 + 755235.0858
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0 =
𝑅𝑇 𝑐𝑚3 = 11797,96 𝑃 𝑚𝑜𝑙
𝑉𝑚1
𝐹(11797,96 ) 8898555066 𝑐𝑚3 = 11797,96 − ′ = 11797,96 − = 11734.37 𝐹 (11797,96 ) 139947095.2 𝑚𝑜𝑙
𝑉𝑚2
𝐹(11734.37) 95142865.41 𝑐𝑚3 = 11734.37 − ′ = 11734.37 − = 11733.68 𝐹 (11734.37) 136958524.9 𝑚𝑜𝑙
𝑉𝑚3
𝐹(11733.68) 11294.71039 𝑐𝑚3 = 11733.68 − ′ = 11733.68 − = 11733.68 𝐹 (11733.68) 136926008 𝑚𝑜𝑙 𝑐𝑚3 𝑉𝑚 = 11733.68 𝑚𝑜𝑙
Para el punto 4: 𝑃4 = 2.6𝑥105 𝑃𝑎 𝑉4 = 1.8𝑐𝑚3 𝑉𝑚3 − (9529,1231
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 ) 𝑉𝑚 + (609867.6099 ) 𝑉 − (9432446.642 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 19058.2462𝑉𝑚 + 609867.6099
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0
𝑉𝑚1 = 9529,1231 −
𝑅𝑇 𝑐𝑚3 = = 9529,1231 𝑃 𝑚𝑜𝑙
𝐹(9529,1231 ) 5802071083 𝑐𝑚3 = 9529,1231 − = 9465.65287 𝐹 ′ (9529,1231 ) 91414054.66 𝑚𝑜𝑙
𝑉𝑚2
𝐹(9465.65287) 76519887.2 𝑐𝑚3 = 9465.65287 − ′ = 9465.65287 − = 9464.7931 𝐹 (9465.65287) 89006877.53 𝑚𝑜𝑙
𝑉𝑚3
𝐹(9464.7931) 13944.5223 𝑐𝑚3 = 9464.7931 − ′ = 9464.7931 − = 9464.7930 𝐹 (9464.7931) 88974438.11 𝑚𝑜𝑙 𝑐𝑚3 𝑉𝑚 = 9464.7930 𝑚𝑜𝑙
Para el punto 5: 𝑃5 = 3.4𝑥105 𝑃𝑎 𝑉5 = 1.5𝑐𝑚3
𝑉𝑚3
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 − (7286,9764 ) 𝑉 + (466210.2876 ) 𝑉 − (7213047.432 )=0 𝑚𝑜𝑙 𝑚 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 14573.9528𝑉𝑚 + 466210.2876
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0
𝑅𝑇 𝑐𝑚3 = = 7286,9764 𝑃 𝑚𝑜𝑙
𝑉𝑚1 = 7286,9764 −
𝐹(7286,9764 ) 3390050316 𝑐𝑚3 = 7286,9764 − = 7223.6893 𝐹 ′ (7286,9764 ) 53566235.34 𝑚𝑜𝑙
𝑉𝑚2 = 7223.6893 −
𝐹(7223.6893) 58118898 𝑐𝑚3 = 7223.6893 − = 7222.5658 𝐹 ′ (7223.6893) 51733565.44 𝑚𝑜𝑙
𝑉𝑚3 = 7222.5658 −
𝐹(7222.5658) 18152.58547 𝑐𝑚3 = 7222.5658 − = 7222.5655 𝐹 ′ (7222.5658) 51701250.26 𝑚𝑜𝑙 𝑉𝑚 = 7222.5655
𝑐𝑚3 𝑚𝑜𝑙
Para el punto 6: 𝑃6 = 5,3𝑥105 𝑃𝑎 𝑉6 = 1,1𝑐𝑚3 𝑉𝑚3 − (4674,6642
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 𝑉 − ) 𝑉𝑚 + (55753,4 ) (4627237,98 )=0 𝑚 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚𝑜𝑙 3
𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 9349,3284𝑉𝑚 + 55753,4
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0 =
𝑉𝑚1
𝑅𝑇 𝑐𝑚3 = 4674,6642 𝑃 𝑚𝑜𝑙
𝐹(4674,6642 ) 256001185 𝑐𝑚3 = 4674,6642 − ′ = 4674,6642 − = 4662,9790 𝐹 (4674,6642 ) 21908238,78 𝑚𝑜𝑙
𝑉𝑚2 = 4662,9790 −
𝐹(4662,9790) 1274031,415 𝑐𝑚3 = 4662,9790 − = 4662,9203 𝐹 ′ (4662,9790) 21690150,87 𝑚𝑜𝑙
𝑉𝑚3 = 4662,9203 −
𝐹(4662,9203) 851,65202 𝑐𝑚3 = 4662,9203 − = 4662,9203 𝐹 ′ (4662,9203) 21689057,38 𝑚𝑜𝑙
𝑉𝑚 = 4662,9203
𝑐𝑚3 𝑚𝑜𝑙
Para el punto 7: 𝑃7 = 8𝑥105 𝑃𝑎 𝑉7 = 0,8𝑐𝑚3 𝑉𝑚3 − (3096,965
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 𝑉 − ) 𝑉𝑚 + (36708,493 ) (3065545,16 )=0 𝑚 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 6193,93𝑉𝑚 + 36708,493
-
Hallamos el Vm según Redlich-Kwong:
𝑉𝑚0 =
𝑅𝑇 𝑐𝑚3 = 3096,965 𝑃 𝑚𝑜𝑙
𝑉𝑚1 = 3096,965 −
𝐹(3096,965) 110619372,9 𝑐𝑚3 = 3096,965 − = 3085,476 𝐹 ′ (3096,965) 9627900,704 𝑚𝑜𝑙
𝑉𝑚2 = 3085,476 −
𝐹(3085,476) 820486,0857 𝑐𝑚3 = 3085,476 − = 3085,389 𝐹 ′ (3085,476) 9485972,572 𝑚𝑜𝑙
𝑉𝑚3 = 3085,389 −
𝐹(3085,389) 3097506,745 𝑐𝑚3 = 3085,389 − = 3085,062 𝐹 ′ (3085,389) 9484900.848 𝑚𝑜𝑙
𝑉𝑚 = 3085,062
𝑐𝑚3 𝑚𝑜𝑙
Para el punto 8: 𝑃8 = 11,8𝑥105 𝑃𝑎 𝑉8 = 0,6𝑐𝑚3 𝑉𝑚3
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 − (2099,6373 ) 𝑉 + (24669,419 ) 𝑉 − (2078335,701 )=0 𝑚𝑜𝑙 𝑚 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 4199,2746𝑉𝑚 + 24669,419
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0
𝑅𝑇 𝑐𝑚3 = = 2099,6373 𝑃 𝑚𝑜𝑙
𝑉𝑚1 = 2099,637 −
𝐹(2099,637) 49718496,6 𝑐𝑚3 = 2099,637 − = 2088,422 𝐹 ′ (2099,637) 4433146,211 𝑚𝑜𝑙
𝐹(2088,422) 526218,3762 𝑐𝑚3 = 2088,422 − ′ = 2088,422 − = 2088,301 𝐹 (2088,422) 4339331,311 𝑚𝑜𝑙
𝑉𝑚2
𝑉𝑚3 = 2088,301 −
𝐹(2088,301) 1220,274809 𝑐𝑚3 = 2088,301 − = 2088,301 𝐹 ′ (2088,301) 4338323,272 𝑚𝑜𝑙 𝑉𝑚 = 2088,301
𝑐𝑚3 𝑚𝑜𝑙
Para el punto 9: 𝑃9 = 19,8𝑥105 𝑃𝑎 𝑉9 = 0,4𝑐𝑚3 𝑉𝑚3 − (1251,2989
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 𝑉 − ) 𝑉𝑚 + (14428,8457 ) (1238604,105 )=0 𝑚 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚𝑜𝑙 3 𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 2502,5978𝑉𝑚 + 14428,8457
-
Hallamos el Vm según Redlich-Kwong: 𝑉𝑚0 =
𝑉𝑚1
𝑅𝑇 𝑐𝑚3 = 1251,298 𝑃 𝑚𝑜𝑙
𝐹(1251,298) 16816194,65 𝑐𝑚3 = 1251,298 − ′ = 1251,298 − = 1240,657 𝐹 (1251,298) 1580177,783 𝑚𝑜𝑙
𝑉𝑚2 = 1240,657 −
𝐹(1240,657) 282314,7949 𝑐𝑚3 = 1240,657 − = 1240,472 𝐹 ′ (1240,657) 1527252,742 𝑚𝑜𝑙
𝑉𝑚3 = 1240,472 −
𝐹(1240,472) −142,4099496 𝑐𝑚3 = 1240,472 − = 1240,472 𝐹 ′ (1240,472) 1526338,696 𝑚𝑜𝑙 𝑐𝑚3 𝑉𝑚 = 1240,472 𝑚𝑜𝑙
Para el punto 10: 𝑃10 = 37,1𝑥105 𝑃𝑎 𝑉10 = 0,25𝑐𝑚3 𝑉𝑚3 − (667,8092
𝑐𝑚3 2 𝑐𝑚6 𝑐𝑚9 𝑉 − ) 𝑉𝑚 + (7454,0608 ) (661033,9965 )=0 𝑚𝑜𝑙 𝑚𝑜𝑙 2 𝑚 𝑚𝑜𝑙 3
𝐹 ′ (𝑉𝑚 ) = 3𝑉𝑚2 − 1335,6184𝑉𝑚 + 7454,0608
-
Hallamos el Vm según Redlich-Kwong:
𝑉𝑚0 = 𝑉𝑚1
𝑅𝑇 𝑐𝑚3 = 667,8092 𝑃 𝑚𝑜𝑙
𝐹(667,809) 4316856,383 𝑐𝑚3 = 667,809 − ′ = 667,809 − = 658,289 𝐹 (667,809) 453423,1884 𝑚𝑜𝑙
𝑉𝑚2 = 658,289 −
𝐹(658,289) 120366,805 𝑐𝑚3 = 658,289 − = 658,001 𝐹 ′ (658,289) 428264,3824 𝑚𝑜𝑙
𝑉𝑚3 = 658,001 −
𝐹(658,001) −2864,94844 𝑐𝑚3 = 658,001 − = 658,001 𝐹 ′ (658,001) 427511,766 𝑚𝑜𝑙
𝑉𝑚 = 658,001
𝑐𝑚3 𝑚𝑜𝑙
El volumen molar fue hallado por el método de Newton- Raphson: 𝑉𝑛 = 𝑉𝑛+1 −
𝐹(𝑉𝑛+1 ) 𝐹′(𝑉𝑛+1 )
Hallando el k para Redlick- Kwong −𝑉1 = 𝑉𝑚1 𝑛 = 24775,1013
𝑐𝑚3 𝑥 0,00012𝑚𝑜𝑙 = 2,97305𝑐𝑚3 𝑚𝑜𝑙
𝑘1 = 𝑃1 𝑉1 = 1𝑥105 𝑃𝑎. 2.9730𝑐𝑚3 = 297305𝑃𝑎. 𝑐𝑚3 𝑐𝑚3 −𝑉2 = 𝑉𝑚2 𝑛 = 16432.836 𝑥0.00015 𝑚𝑜𝑙 = 2,4649𝑐𝑚3 𝑚𝑜𝑙 𝑘2 = 𝑃2 𝑉2 = 1.5𝑥105 𝑃𝑎. 2,4649𝑐𝑚3 = 369746𝑃𝑎. 𝑐𝑚3 𝑐𝑚3 −𝑉3 = 𝑉𝑚3 𝑛 = 11733,68 𝑥 0.00017𝑚𝑜𝑙 = 1,9947𝑐𝑚3 𝑚𝑜𝑙 𝑘3 = 𝑃3 𝑉3 = 2.1𝑥105 𝑃𝑎. 1,9947𝑐𝑚3 = 418894𝑃𝑎. 𝑐𝑚3 −𝑉4 = 𝑉𝑚4 𝑛 = 9464,7930
𝑐𝑚3 𝑥 0.00018𝑚𝑜𝑙 = 1,7037𝑐𝑚3 𝑚𝑜𝑙
𝑘4 = 𝑃4 𝑉4 = 2.6𝑥105 𝑃𝑎. 1,7037𝑐𝑚3 = 442953𝑃𝑎. 𝑐𝑚3
𝑐𝑚3 −𝑉5 = 𝑉𝑚5 𝑛 = 7222,5655 𝑥 0,00021𝑚𝑜𝑙 = 1,5167𝑐𝑚3 𝑚𝑜𝑙 𝑘5 = 𝑃5 𝑉5 = 3,4𝑥105 𝑃𝑎. 1,5167𝑐𝑚3 = 515691𝑃𝑎. 𝑐𝑚3 −𝑉6 = 𝑉𝑚6 𝑛 = 4662,9203
𝑐𝑚3 𝑥 0,000235𝑚𝑜𝑙 = 1,09579𝑐𝑚3 𝑚𝑜𝑙
𝑘6 = 𝑃6 𝑉6 = 5,3𝑥105 𝑃𝑎. 1,09579𝑐𝑚3 = 580768,7 𝑃𝑎. 𝑐𝑚3 −𝑉7 = 𝑉𝑚7 𝑛 = 3085,062
𝑐𝑚3 𝑥 0,000258𝑚𝑜𝑙 = 0,79595𝑐𝑚3 𝑚𝑜𝑙
𝑘7 = 𝑃7 𝑉7 = 8𝑥105 𝑃𝑎. 0,79595𝑐𝑚3 = 636760 𝑃𝑎. 𝑐𝑚3 𝑐𝑚3 −𝑉8 = 𝑉𝑚8 𝑛 = 2088,301 𝑥 0,000285𝑚𝑜𝑙 = 0,59517𝑐𝑚3 𝑚𝑜𝑙 𝑘8 = 𝑃8 𝑉8 = 11,8𝑥105 𝑃𝑎. 0,59517𝑐𝑚3 = 702300,6 𝑃𝑎. 𝑐𝑚3 −𝑉9 = 𝑉𝑚9 𝑛 = 1240,472
𝑐𝑚3 𝑥 0,000319𝑚𝑜𝑙 = 0,39571𝑐𝑚3 𝑚𝑜𝑙
𝑘9 = 𝑃9 𝑉9 = 19,8𝑥105 𝑃𝑎. 0,39571𝑐𝑚3 = 783505,8 𝑃𝑎. 𝑐𝑚3 −𝑉10 = 𝑉𝑚10 𝑛 = 658,001
𝑐𝑚3 𝑥 0,000374𝑚𝑜𝑙 = 0,24609𝑐𝑚3 𝑚𝑜𝑙
𝑘10 = 𝑃10 𝑉10 = 37,1𝑥105 𝑃𝑎. 0,24609𝑐𝑚3 = 912993,9 𝑃𝑎. 𝑐𝑚3
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 = (297305 + 369746 + 418894 + 442953 + 515691 + 580768,7 + 636760 + 702300,6 + 783505,8 + 912993,9) 𝑃𝑎. 𝑐𝑚3 10
𝑘𝑝𝑟𝑜𝑚𝑒𝑑𝑖𝑜 = 566091.8𝑃𝑎. 𝑐𝑚3
a) Gráfico P vs V b) ráfica P vs 1/V
Gráfico P vs V 40
G
35
Presión
30
Gráfico P vs 1/V
25 20
40
15
35
10
30
0 0
PRESIÓN
5 0.5
25 20
1
1.5
2
2.5
3
3.5
Volumen
15 10 5 0 0
0.5
1
1.5
2
2.5
1/VOLUMEN
ECUACI ÓN DE VIRIAL (BEATTIE-BRIDGEMAN)
𝑅𝑇 𝐶𝑃 𝑉𝑚 = + 𝐵 + 𝑃 𝑅𝑇 𝑃𝑎. 𝑐𝑚3 𝑎̅ = 1.38 × 101325 × 10 𝑚𝑜𝑙 2 6
𝑏̅ = 37.6
𝑐𝑚3 𝑚𝑜𝑙
3
3.5
4
4.5
Reemplazando: 𝐵=𝑏−
𝑎 𝑐𝑚3 = 𝑏̅ = 37.6 𝑅𝑇 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 3 𝑚𝑜𝑙2 = −18.8377 𝑐𝑚 − 𝑚𝑜𝑙 𝑃𝑎. 𝑐𝑚3 83,14 × 105 × 298𝐾 𝑚𝑜𝑙. 𝐾 1.38 × 101325 × 106
2
𝑐𝑚3 𝑐𝑚6 𝐶 = 𝑏 = (37.6 ) = 1413.76 𝑚𝑜𝑙 𝑚𝑜𝑙 2 2
Trabajando con los puntos escogidos:
Para el punto 1: 𝑃1 = 1x105 𝑃𝑎 𝑉1 = 3𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 1×105 𝑃𝑎
83,14×105 ×
𝑍=
− 18.8377
𝑃𝑉𝑚 = 𝑅𝑇
𝑐𝑚3 𝑚𝑜𝑙
+
𝑐𝑚6 ×1×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
1𝑥105 𝑃𝑎 × 24756.939
83.14 × 105 ×
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 × 298𝐾 𝑚𝑜𝑙. 𝐾
= 0.9992
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾1
𝐾1 =
𝑐𝑚3
=24756.939 𝑚𝑜𝑙
𝑃. 𝑉 105 𝑃𝑎(3𝑐𝑚3 ) = = 300240.19𝑃𝑎. 𝑐𝑚3 𝑍 0.9992
Para el punto 2: 𝑃2 = 1.51𝑥105 𝑃𝑎 𝑉2 = 2.5𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 1.51×105 𝑃𝑎
83,14×105 ×
− 18.8377
𝑐𝑚3 𝑚𝑜𝑙
+
𝑐𝑚6 ×1.51×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
𝑐𝑚3
=16389.0100𝑚𝑜𝑙
𝑐𝑚3 1.51𝑥105 𝑃𝑎 × 16389.0100 𝑃𝑉𝑚 𝑚𝑜𝑙 = 0.9988 𝑍= = 3 𝑃𝑎. 𝑐𝑚 𝑅𝑇 83,14 × 105 × × 298𝐾 𝑚𝑜𝑙. 𝐾
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾2
𝐾2 =
𝑃. 𝑉 1.51𝑥105 𝑃𝑎 × 2.5𝑐𝑚3 = = 377953.5442𝑃𝑎. 𝑐𝑚3 𝑍 0.9988
Para el punto 3: 𝑃3 = 2.1𝑥105 𝑃𝑎 𝑉3 = 2.1𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 3.4×105 𝑃𝑎
83,14×105 ×
− 18.8377
𝑃𝑉𝑚 𝑍= = 𝑅𝑇
𝑐𝑚3 𝑚𝑜𝑙
+
𝑐𝑚6 ×2.1×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
2.1𝑥105 𝑃𝑎 × 7268.33
83,14 × 105 ×
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 × 298𝐾 𝑚𝑜𝑙. 𝐾
𝑐𝑚3
=7268.33𝑚𝑜𝑙
= 0.9974
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾5
𝑃. 𝑉 2.1𝑥105 𝑃𝑎 × 2.1𝑐𝑚3 𝐾3 = = = 441706.73𝑃𝑎. 𝑐𝑚3 𝑍 0.9974
Para el punto 4: 𝑃4 = 2.6𝑥105 𝑃𝑎 𝑉4 = 1.8𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 2.6×105 𝑃𝑎
83,14×105 ×
− 18.8377
𝑃𝑉𝑚 𝑍= = 𝑅𝑇
𝑐𝑚3 𝑚𝑜𝑙
+
𝑐𝑚6 ×2.6×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
2.6𝑥105 𝑃𝑎 × 9510.4337
83,14 × 105 ×
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 × 298𝐾 𝑚𝑜𝑙. 𝐾
𝑐𝑚3
=9510.4337𝑚𝑜𝑙
= 0.9980
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾5
𝐾4 =
𝑃. 𝑉 2.6𝑥105 𝑃𝑎 × 1.8𝑐𝑚3 = = 511329.46𝑃𝑎. 𝑐𝑚3 𝑍 0.9980
Para el punto 5: 𝑃5 = 3.4𝑥105 𝑃𝑎 𝑉5 = 1.5𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 3.4×105 𝑃𝑎
83,14×105 ×
𝑍=
− 18.8377
𝑃𝑉𝑚 = 𝑅𝑇
𝑐𝑚3 𝑚𝑜𝑙
+
𝑐𝑚6 ×3.4×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
3.4𝑥105 𝑃𝑎 × 7268.33
83,14 ×
105
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 × × 298𝐾 𝑚𝑜𝑙. 𝐾
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾5
𝑐𝑚3
=7268.33𝑚𝑜𝑙
= 0.9974
𝑃. 𝑉 3.4𝑥105 𝑃𝑎 × 1.5𝑐𝑚3 𝐾5 = = = 511329.46𝑃𝑎. 𝑐𝑚3 𝑍 0.9974 Para el punto 6: 𝑃6 = 5,3𝑥105 𝑃𝑎 𝑉6 = 1,1𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 5.3×105 𝑃𝑎
83,14×105 ×
𝑐𝑚3
− 18.8377 𝑚𝑜𝑙 +
𝑐𝑚6 ×5.3×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
𝑐𝑚3
=4656.1288 𝑚𝑜𝑙
𝑐𝑚3 𝑃𝑉𝑚 𝑚𝑜𝑙 = 0.9960 𝑍= = 3 𝑃𝑎. 𝑐𝑚 𝑅𝑇 83,14 × 105 × × 298𝐾 𝑚𝑜𝑙. 𝐾 5.3𝑥105 𝑃𝑎 × 4656.1288
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾6
𝐾6 =
𝑃. 𝑉 5.3𝑥105 𝑃𝑎 × 1.1𝑐𝑚3 = = 585341.37𝑃𝑎. 𝑐𝑚3 𝑍 0.9960
Para el punto 7: 𝑃7 = 8𝑥105 𝑃𝑎 𝑉7 = 0,8𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 5 8×10 𝑃𝑎
83,14×105 ×
𝑍=
𝑐𝑚3
− 18.8377 𝑚𝑜𝑙 +
𝑃𝑉𝑚 = 𝑅𝑇
𝑐𝑚6 ×8×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
8𝑥105 𝑃𝑎 × 3078.58 83,14 ×
105
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 × × 298𝐾 𝑚𝑜𝑙. 𝐾
𝑐𝑚3
=3078.58 𝑚𝑜𝑙
= 0.9941
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾7
𝐾7 =
𝑃. 𝑉 8𝑥105 𝑃𝑎 × 0.8 𝑐𝑚3 = = 643822.02𝑃𝑎. 𝑐𝑚3 𝑍 0.9941
Para el punto 8: 𝑃8 = 11,8𝑥105 𝑃𝑎 𝑉8 = 0,6𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 5 11.8×10 𝑃𝑎
83,14×105 ×
𝑐𝑚3
− 18.8377 𝑚𝑜𝑙 +
𝑃𝑉𝑚 𝑍= = 𝑅𝑇
𝑐𝑚6 ×11.8×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
11.8𝑥105 𝑃𝑎 × 2081.47 83,14 ×
105
𝑐𝑚3 𝑚𝑜𝑙
𝑃𝑎. 𝑐𝑚3 × × 298𝐾 𝑚𝑜𝑙. 𝐾
𝑐𝑚3
=2081.47 𝑚𝑜𝑙
= 0.9913
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾8
𝐾8 =
𝑃. 𝑉 11.8𝑥105 𝑃𝑎 × 0.6 𝑐𝑚3 = = 714213.66𝑃𝑎. 𝑐𝑚3 𝑍 0.9913
Para el punto 9: 𝑃8 = 19,8𝑥105 𝑃𝑎 𝑉8 = 0,4𝑐𝑚3
𝑉𝑚 =
𝑃𝑎.𝑐𝑚3 ×298𝐾 𝑚𝑜𝑙.𝐾 19.8×105 𝑃𝑎
83,14×105 ×
𝑐𝑚3
− 18.8377 𝑚𝑜𝑙 +
𝑐𝑚6 ×19.8×105 𝑃𝑎 𝑚𝑜𝑙2 𝑃𝑎.𝑐𝑚3 83,14×105 × ×298𝐾 𝑚𝑜𝑙.𝐾
1413.76
𝑐𝑚3
=1233.5911 𝑚𝑜𝑙
𝑐𝑚3 𝑃𝑉𝑚 𝑚𝑜𝑙 = 0.9858 𝑍= = 3 𝑃𝑎. 𝑐𝑚 𝑅𝑇 83,14 × 105 × × 298𝐾 𝑚𝑜𝑙. 𝐾 19.8𝑥105 𝑃𝑎 × 1233.5911
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾8
𝐾8 =
𝑃. 𝑉 19.8𝑥105 𝑃𝑎 × 0.4 𝑐𝑚3 = = 803408.39𝑃𝑎. 𝑐𝑚3 𝑍 0.9858
Para el punto 10: 𝑃10 = 37,1𝑥105 𝑃𝑎 𝑉10 = 0,25𝑐𝑚3
𝑉𝑚 =
𝑃𝑎. 𝑐𝑚3 × 298𝐾 𝑐𝑚3 𝑚𝑜𝑙. 𝐾 − 18.8377 37.1 × 105 𝑃𝑎 𝑚𝑜𝑙
83,14 × 105 ×
= 651.0884
𝑐𝑚3 𝑚𝑜𝑙
𝑐𝑚6 5 2 × 37.1 × 10 𝑃𝑎 𝑚𝑜𝑙 + 𝑃𝑎. 𝑐𝑚3 83,14 × 105 × × 298𝐾 𝑚𝑜𝑙. 𝐾 1413.76
𝑐𝑚3 𝑃𝑉𝑚 𝑚𝑜𝑙 = 0.9749 𝑍= = 3 𝑃𝑎. 𝑐𝑚 𝑅𝑇 83,14 × 105 × × 298𝐾 𝑚𝑜𝑙. 𝐾 37.1𝑥105 𝑃𝑎 × 651.0884
Dónde: 𝑃. 𝑉 = 𝑍. 𝑛. 𝑅. 𝑇 𝑛. 𝑅. 𝑇 = 𝐾8
𝐾10
𝑃. 𝑉 37.1𝑥105 𝑃𝑎 × 0.25 𝑐𝑚3 = = = 714213.66𝑃𝑎. 𝑐𝑚3 𝑍 0.9749
K prom (Virial) = 579823.5296
a) Gráfica P vs Vm
Gráfico P vs V 14 12
P 10 R E 8 S I 6 O 4 N 2 0 0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
Volumen molar
b) Gráfica P vs 1/Vm
Gráfica P vs 1/Vm 14 12 P 10 r e 8 s i 6 ó 4 n 2 0 0
10
20
30 1/Volumen molar
40
50
60
RESULTADOS: P
V
(𝟏𝟎𝟓 𝑷𝒂) (𝒄𝒎𝟑 )
𝑽𝒎 Gas Ideal 𝒄𝒎𝟑 ( ) 𝒎𝒐𝒍
𝑽𝒎 Van der Waals
𝑽𝒎 de Redlich-Kwon
𝒄𝒎𝟑 ( ) 𝒎𝒐𝒍
𝒄𝒎𝟑 ( ) 𝒎𝒐𝒍
𝑽𝒎 de la ecuación de Virial 𝒄𝒎𝟑 ( ) 𝒎𝒐𝒍
Factor de compres ibilidad
𝑷𝟏
1
3
24775,72
24752.995
24775.1013
24756.939
𝑷𝟐
1.51
2.5
16407,76
16371.133
16343.2836
16389.0100
0.9988
𝑷𝟑
2.1
2.1
11797,96
11779.04
11733.68
11779.2440
0.9984
𝑷𝟒
2.6
1.8
9529,1231
9510.3947
9464.7930
9510.4337
0.9980
𝑷𝟓
3.4
1.5
7286,9764
7230.386
7222.5655
7268.33
0.9974
𝑷𝟔
5.3
1.1
4674,664
4250,7527
4662,9203
4656.1288
0.9960
𝑷𝟕
8
0.8
3096,965
3078,4819
3085,062
3078.58
0.9941
𝑷𝟖
11.8
0.6
2099,637
2081,3314
2088,301
2081.47
0.9913
𝑷𝟗
19,8𝑥105
0.4
1251,298
1233,3862
1240,472
1233.5911
0.9858
𝑷𝟏𝟎 37,1𝑥105
0.25
667,809
650,8457
658,001
651.0884
0.9750
0.9992
P
V
(𝟏𝟎𝟓 𝑷𝒂) (𝒄𝒎𝟑 )
𝑲 Gas Ideal 𝑷𝒂. 𝒄𝒎𝟑
𝑲 Van der Waals
𝑲 de RedlichKwon
𝑷𝒂. 𝒄𝒎𝟑
𝑷𝒂. 𝒄𝒎𝟑
𝑲 de la ecuación de Virial 𝑷𝒂. 𝒄𝒎𝟑
𝑷𝟏
1
3
297400
297035.94
297305
300240.19
𝑷𝟐
1,51
2.5
371635,16
322800
369746
377953.54
𝑷𝟑
2.1
2.1
421186,5
420420
418894
441706.73
𝑷𝟒
2.6
1.8
445962,4
445094
442953
468937.8757
𝑷𝟓
3.4
1.5
520322,4
516290
515691
511329.46
𝑷𝟔
5.3
1.1
581940
529432.9
580768.7
585341.37
𝑷𝟕
8
0.8
639200
635400
636760
643822.02
𝑷𝟖
11.8
0.6
705640
699952.4
702300.6
714213.66
𝑷𝟗
19,8
0.4
790020
779031
783505,8
803408.40
𝑷𝟏𝟎
37,1
0.25
92379
903051,1
912993,9
951282.05