Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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the material is need is in the second image

Transcribed Image Text:TABLE 5.3 Standard Enthalpies of Formation, AH, at 298 K
Substance
Formula
AF, (kJ/mol)
Substance
Formula
AH, (kJ/mol)
Decom
to elements
Acetylene
tic C2H2(g)
226.7
Hydrogen chloride
HCl(g)
-92.30
vinsee
Ammonia
NH3(8)
-46.19
Hydrogen fluoride
HF(g)
-268.60
Benzene
C,H6(1)
49.0
Hydrogen iodide
HI(8)
25.9
Calcium carbonate
CACO3(s)
-1207.1
Methane
CH4(8)
-74.80
Methanol nieu
Propanesina
boewSilver chloride
to
Calcium oxide
CaO(s)
-635.5
CH3OH(1)
-238.6
Carbon dioxide
CO2(8)
-393.5
C3Hs(8)
-103.85
Carbon monoxide ordrad CO(g)isvHA lo -110.5
AgCl(s)
-127.0
Diamond oitoce00 C(s) vglsdino bisb 1.88 ar oisl Sodium bicarbonate
NaHCO3(s)
-947.7
Ethane
C2H6(8)
-84.68
Sodium carbonate
Na2CO3(s)
-1130.9
Ethanol
C2H;OH(1)
-277.7
Sodium chloride
NaCl(s)
-410.9
C2H4(8)E
Glucose w botebos e C6H12O6(S) d-lo-1273
Ethylene
52.30
Sucrose
C12H22O11(s)
-2221
nosu Water iTw 6) 9W
H2O(1)
-285.8
Hydrogen bromide
HBr(g)
-36.23
Water vaporriso
H2O(g)
-241.8
(e) + H()

Transcribed Image Text:► Practice Exercise 2
am Use Table 5.3 to calculate the enthalpy change for the com-
bustion of 1 mol of ethanol:
tee of
C2H5OH(1) + 3 O2(g)
2 CO2(8) + 3 H20(1)
-
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