TABLE 14–1 Specific Heats (at 1 atm constant pressure and 20°C unless otherwise stated) Specific Heat, c kcal/kg · C° J/kg · C° (= cal/g· C°) Substance Aluminum 900 0.22 Alcohol (ethyl) Copper 2400 0.58 390 0.093 Glass 840 0.20 Iron or steel 450 0.11 Lead 130 0.031 Marble 860 0.21 Mercury 140 0.033 Silver 230 0.056 Wood 1700 0.4 Water Ice (-5°C) Liquid (15°C) 4186 Steam (110°C) 2010 Human body (average) 2100 0.50 1.00 0.48 3470 0.83 Protein 1700 0.4

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter20: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 20.10OQ: A 100-g piece of copper, initially at 95.0C, is dropped into 200 g of water contained in a 280-g...
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(II) Samples of copper, aluminum, and water experience the
same temperature rise when they absorb the same amount of
heat. What is the ratio of their masses? [Hint: See Table 14–1.]

TABLE 14–1 Specific Heats
(at 1 atm constant pressure and 20°C
unless otherwise stated)
Specific Heat, c
kcal/kg · C°
J/kg · C° (= cal/g· C°)
Substance
Aluminum
900
0.22
Alcohol
(ethyl)
Copper
2400
0.58
390
0.093
Glass
840
0.20
Iron or steel
450
0.11
Lead
130
0.031
Marble
860
0.21
Mercury
140
0.033
Silver
230
0.056
Wood
1700
0.4
Water
Ice (-5°C)
Liquid (15°C) 4186
Steam (110°C) 2010
Human body
(average)
2100
0.50
1.00
0.48
3470
0.83
Protein
1700
0.4
Transcribed Image Text:TABLE 14–1 Specific Heats (at 1 atm constant pressure and 20°C unless otherwise stated) Specific Heat, c kcal/kg · C° J/kg · C° (= cal/g· C°) Substance Aluminum 900 0.22 Alcohol (ethyl) Copper 2400 0.58 390 0.093 Glass 840 0.20 Iron or steel 450 0.11 Lead 130 0.031 Marble 860 0.21 Mercury 140 0.033 Silver 230 0.056 Wood 1700 0.4 Water Ice (-5°C) Liquid (15°C) 4186 Steam (110°C) 2010 Human body (average) 2100 0.50 1.00 0.48 3470 0.83 Protein 1700 0.4
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