20 grams of ice initially at -15◦C is placed on top of 100 grams of 350◦C solid gold in a thermally insulating container. a) Does all of the ice melt by they time thermal equilibrium is established? If not, how many grams of the ice melt?
20 grams of ice initially at -15◦C is placed on top of 100 grams of 350◦C solid gold in a thermally insulating container. a) Does all of the ice melt by they time thermal equilibrium is established? If not, how many grams of the ice melt?
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20 grams of ice initially at -15◦C is placed on top of 100 grams of 350◦C solid gold in a thermally insulating container.
a) Does all of the ice melt by they time thermal equilibrium is established? If not, how many grams of the ice melt?
Transcribed Image Text:a (°℃−¹)
Material
Gold
Copper
Aluminum
1.65×10-5
2.3x10-5
Stainless Steel 1.75×10-5
Water
Ethyl Alcohol
Ice
1 atm = 1.01×105 Pa
NA = 6.022×102³ particles/mol
R = 8.3145 J/(mol K)
kB = 1.38×10-23 J/K
o = 5.67 × 10-8W/(m²K4)
c (J/(kg K)) C (J/(mol K)) | Lf (J/kg) Lv (J/kg) density (kg/m³)
129
25
19,300
8,960
2,700
7,500
4190
75
1,000
3.33×105 22.6×105
1.09×105 8.79×105
2400
110
790
2090
37.6
917
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