Determine the energy required to freeze 10.7 kg of water at 77.0 ° 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 10.7 kg of water at 77.0 ° C.

* Express your answer in MJ.

 

 

Calores latentes de fusión y vaporización
Calor latente
Calor latente
Punto de
de fusión
Punto de
de vaporización
(J/kg)
Sustancia
fusión (°C)
(J/kg)
ebullición (°C)
- 269.65
- 209.97
5.23 × 10
2.55 × 104
- 268.93
- 195.81
Helio
2.09 × 10+
2.01 × 10
Nitrógeno
Oxígeno
Alcohol etílico
-218.79
1.38 × 104
-182.97
2.13 × 10°
-114
1.04 × 105
78
8.54 × 105
Agua
0.00
3.33 × 105
100.00
2.26 × 106
Azufre
119
3.81 × 10ª
444.60
3.26 × 105
Plomo
327.3
2.45 × 10ª
1 750
8.70 × 105
1.14 × 107
2.33 × 106
Aluminio
660
3.97 × 105
2 450
Plata
960.80
8.82 × 10+
2 193
1 063.00
1 083
2 660
1 187
Oro
6.44 × 10+
1.58 × 106
Cobre
1.34 × 105
5.06 × 106
Transcribed Image Text:Calores latentes de fusión y vaporización Calor latente Calor latente Punto de de fusión Punto de de vaporización (J/kg) Sustancia fusión (°C) (J/kg) ebullición (°C) - 269.65 - 209.97 5.23 × 10 2.55 × 104 - 268.93 - 195.81 Helio 2.09 × 10+ 2.01 × 10 Nitrógeno Oxígeno Alcohol etílico -218.79 1.38 × 104 -182.97 2.13 × 10° -114 1.04 × 105 78 8.54 × 105 Agua 0.00 3.33 × 105 100.00 2.26 × 106 Azufre 119 3.81 × 10ª 444.60 3.26 × 105 Plomo 327.3 2.45 × 10ª 1 750 8.70 × 105 1.14 × 107 2.33 × 106 Aluminio 660 3.97 × 105 2 450 Plata 960.80 8.82 × 10+ 2 193 1 063.00 1 083 2 660 1 187 Oro 6.44 × 10+ 1.58 × 106 Cobre 1.34 × 105 5.06 × 106
Calores específicos de algunas sustancias a 25°C y presión atmosférica
Calor específico c
J/kg • °C
Sustancia
cal/g· °C
Sustancia
Sólidos elementales
Otros sólidos
Aluminio
900
0.215
Latón
Berilio
1 830
0.436
Vidrio
Cadmio
230
0.055
Hielo (-5°C)
Cobre
387
0.092 4
Mármol
Germanio
322
0.077
Madera
Oro
129
0.030 8
Líquidos
Hierro
448
0.107
Alcohol (etílico)
Plomo
128
0.030 5
Mercurio
Silicio
703
0.168
Agua (15°C)
Plata
234
0.56
Gas
Vapor (100°C)
Transcribed Image Text:Calores específicos de algunas sustancias a 25°C y presión atmosférica Calor específico c J/kg • °C Sustancia cal/g· °C Sustancia Sólidos elementales Otros sólidos Aluminio 900 0.215 Latón Berilio 1 830 0.436 Vidrio Cadmio 230 0.055 Hielo (-5°C) Cobre 387 0.092 4 Mármol Germanio 322 0.077 Madera Oro 129 0.030 8 Líquidos Hierro 448 0.107 Alcohol (etílico) Plomo 128 0.030 5 Mercurio Silicio 703 0.168 Agua (15°C) Plata 234 0.56 Gas Vapor (100°C)
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