Specific Heats of Common Substances at 25 °C and 1 bar Specific Heats of Common Substances at 25 °C and 1 bar Substance Symbol (state) Specific Heat (J/g °C) Substance Symbol (state) Specific Heat (J/g °C) helium He(g) 5.193 air 1.007 water H2O(1) 4.184 охудen O2(g) 0.918 ethanol C2H6O(1) 2.376 aluminum Al(s) 0.897 ice H20(s) 2.093 (at -10 °C) carbon dioxide CO2(g) 0.853 water vapor H2O(g) 1.864 argon Ar(g) 0.522 nitrogen N2(g) 1.040 iron Fe(s) 0.449 copper Cu(s) 0.385 lead Pb(s) 0.130 gold Au(s) 0.129 silicon Si(s) 0.712

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its temperature from 19.3 °C to 68.9 °C.
(a) What is the specific heat of the substance?
(b) If it is one of the substances found in Table 5.1, what is its likely identity?

Specific Heats of Common Substances at 25 °C and 1 bar
Specific Heats of Common Substances at 25 °C and 1 bar
Substance
Symbol (state)
Specific Heat (J/g °C)
Substance
Symbol (state)
Specific Heat (J/g °C)
helium
He(g)
5.193
air
1.007
water
H2O(1)
4.184
охудen
O2(g)
0.918
ethanol
C2H6O(1)
2.376
aluminum
Al(s)
0.897
ice
H20(s)
2.093 (at -10 °C)
carbon dioxide
CO2(g)
0.853
water vapor
H2O(g)
1.864
argon
Ar(g)
0.522
nitrogen
N2(g)
1.040
iron
Fe(s)
0.449
copper
Cu(s)
0.385
lead
Pb(s)
0.130
gold
Au(s)
0.129
silicon
Si(s)
0.712
Transcribed Image Text:Specific Heats of Common Substances at 25 °C and 1 bar Specific Heats of Common Substances at 25 °C and 1 bar Substance Symbol (state) Specific Heat (J/g °C) Substance Symbol (state) Specific Heat (J/g °C) helium He(g) 5.193 air 1.007 water H2O(1) 4.184 охудen O2(g) 0.918 ethanol C2H6O(1) 2.376 aluminum Al(s) 0.897 ice H20(s) 2.093 (at -10 °C) carbon dioxide CO2(g) 0.853 water vapor H2O(g) 1.864 argon Ar(g) 0.522 nitrogen N2(g) 1.040 iron Fe(s) 0.449 copper Cu(s) 0.385 lead Pb(s) 0.130 gold Au(s) 0.129 silicon Si(s) 0.712
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