Determine the energy required to freeze 11.9 kg of water at 68.5 ° C. * Express your answer in MJ.

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Chapter1: Units, Trigonometry. And Vectors
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Determine the energy required to freeze 11.9 kg of water at 68.5 ° C. * Express your answer in MJ.

Calores latentes de fusión y vaporización
Calor latente
de fusión
Calor latente
de vaporización
J/kg)
Punto de
Punto de
Sustancia
fusión ("C)
J/kg)
ebullición ("C)
5.23 x 10
2.55 x 10'
Helio
2.09 x 10
2.01 x 10
-269.65
268.93
-209.97
Nitrógeno
Oxigeno
195.81
2.13 x 10
8.54 x 10
-218.79
1.38 x 10'
-182.97
Alcohol etilico
-114
1.04 X 10
78
Agua
3.33 x 10
3.81 x 10
2.45 x 10
3.97 x 10
8.82 x 10
6.44 X 10
1.34 x 10°
0.00
100.00
2.26 x 10
Azufre
119
444.60
3.26 x 10
1 750
8.70 x 10
1.14 x 10
Plomo
327.3
Aluminio
660
2 450
960.80
1 063.00
1 083
Plata
2 193
2.33 x 10
Oro
2 660
1.58 x 10
Cobre
1 187
5.06 x 10
Calores especificos de algunas sustancias a 25°C y presión atmosférica
Calor especifico e
J/kg C
Calor especifico e
J/kg C
Sustancia
cal/g C
Sustancia
cal/g "C
Solidos elementales
Otros solidos
0.215
Latón
Vidrio
Hielo (-5°C)
Aluminio
900
380
0.002
1 830
230
0.436
Berilio
Cadmio
Gobre
837
0.200
0,055
2 090
0.50
387
322
129
0.092 4
0.077
Mármol
860
0.21
1 700
Germanio
Oro
Madera
0.41
0.030 8
Liquidos
Alcohol (etilico)
Mercurio
Hierro
418
0.107
2 400
0.58
0.00 5
Ploto
Sicie
128
140
0.033
705
254
0.168
Agua (15 C)
4 186
1.00
PHata
0.56
Gas
Vapor (100 C)
2010
0.48
Transcribed Image Text:Calores latentes de fusión y vaporización Calor latente de fusión Calor latente de vaporización J/kg) Punto de Punto de Sustancia fusión ("C) J/kg) ebullición ("C) 5.23 x 10 2.55 x 10' Helio 2.09 x 10 2.01 x 10 -269.65 268.93 -209.97 Nitrógeno Oxigeno 195.81 2.13 x 10 8.54 x 10 -218.79 1.38 x 10' -182.97 Alcohol etilico -114 1.04 X 10 78 Agua 3.33 x 10 3.81 x 10 2.45 x 10 3.97 x 10 8.82 x 10 6.44 X 10 1.34 x 10° 0.00 100.00 2.26 x 10 Azufre 119 444.60 3.26 x 10 1 750 8.70 x 10 1.14 x 10 Plomo 327.3 Aluminio 660 2 450 960.80 1 063.00 1 083 Plata 2 193 2.33 x 10 Oro 2 660 1.58 x 10 Cobre 1 187 5.06 x 10 Calores especificos de algunas sustancias a 25°C y presión atmosférica Calor especifico e J/kg C Calor especifico e J/kg C Sustancia cal/g C Sustancia cal/g "C Solidos elementales Otros solidos 0.215 Latón Vidrio Hielo (-5°C) Aluminio 900 380 0.002 1 830 230 0.436 Berilio Cadmio Gobre 837 0.200 0,055 2 090 0.50 387 322 129 0.092 4 0.077 Mármol 860 0.21 1 700 Germanio Oro Madera 0.41 0.030 8 Liquidos Alcohol (etilico) Mercurio Hierro 418 0.107 2 400 0.58 0.00 5 Ploto Sicie 128 140 0.033 705 254 0.168 Agua (15 C) 4 186 1.00 PHata 0.56 Gas Vapor (100 C) 2010 0.48
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