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
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: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.59QE
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Question
A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2 °C to 89.6 °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?
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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