34. Use Hess's law to calculate AH for the decomposition of CS2(1) to its elements. CS:(1) → C(s) + 2S(s) Use Table 8.3 and the following thermochemical equations: (1) formation of CO, from its elements at 25°C (2) formation of SO, from its elements at 25°C (3) CO.e) + 2S0(e) → CS.(1) + 30,(0) AH = +1103.9 kl

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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Compounds
AgBr(s) -100.4 Cacl2(s) -795.8
H2O(g)
-241.8 NH4NO3(s)-365.6
AgCl(s)
-127.1 Caco3(s) -1206.9
H2O(1)
|-285.8
NO(g)
+90.2
Agl(s)
-61.8 Cao(S)
-635.1
H2O2(1)
-187.8
NO2(g)
+33.2
AGNO3(s) -124.4 Ca(OH)2(s) -986.1
H25(g)
-20.6 N204(g)
+9.2
Ag20(s)
-31.0 CasO4(s) |-1434.1 H2S04() -814.0
Nacl(s)
-411.2
Al203(s) |-1675.7 Cdcl2(s) -391.5
HgO(s)
-90.8
NaF(s)
-573.6
Bacl2(s) -858.6 cdo(s) -258.2
KBr(s)
|-393.8 NaOH(s) |-425.6
BaCO3(s) -1216.3 Cr203(s) -1139.7
KCI(s)
-436.7
NIO(s)
|-239.7
BaO(s) -553.5
CuO(s)
-157.3
KCIO3(s)
-397.7
PbBr2(s) -278.7
BaSO4(s) |-1473.2 Cu20(s) -168.6 KCIO4(s)
-432.8 PbCl2(s) -359.4
CC14(1) |-135.4
Cus(s)
KNO3(s)
PbO(s)
|-219.0
-53.1
-494.6
CHCI3(I) -134.5 Cu2s(s)
-79.5
MgCl2(s) -641.3
PbO2(s) -277.4
CH4(g)
-74.8 Cuso4(s) -771.4 MgCO3(5) -1095.8 PCI3(g)
|-287.0
C2H2(g) +226.7 Fe(OH)3(s) -823.0
Mgo(s)
-601.7
PCI5(9) -374.9
C2H4(g) +52.3 Fe203(s) -824.2 Mg(OH)2(5) -924.5
SIO2(s)
-910.9
C2H6(g) -84.7 Fe304(s) |-1118.4 MgSO4(s) |-1284.9 Sno2(s) -580.7
C3H8(g) |-103.8 HBr(g)
-36.4
MnO(s)
SO2(g) -296.8
-385.2
|снзон(-238.7
HCl(g)
-92.3
MnO2(s)
-520.0
SO3(g)
-395.7
C2H5OH() -277.7
HF(g)
-271.1
NH3(g)
-46.1
Znl2(s)
|-208.0
Colg)
-110.5
HI(g)
+26.5
N2H4(1)
+50.6
ZnO(s)
|-348.3
CO2(g) -393.5 HNO3() -174.1
NH4Cl(s)
-314.4
ZnS(s)
-206.0
Cations
Anions
Ag+(aq) +105.6 Hg2+(aq) +171.1
Br2(aq)
-121.6
НРО4
|-1292.1
Al3+(ag) -531.0
K+(aq)
|-252.4| CO32-(aq) -677.1 HSO4-(aq) -887.3
Ba2+(aq) -537.6 Mg2+(aq) -466.8
Cl-(aq)
-167.2
I-(aq)
-55.2
Ca2+(ag) -542.8 Mn2+(aq) -220.8 ClO3-(aq) -104.0 Mn04-(aq) -541.4
Cd2+(ag) -75.9
Na+(aq) -240.1 Cl04-(aq) -129.3 NO2-(aq) |-104.6
Cu+(aq)
+71.7 NH4+(ag) -132.5 Cro42-(ag) -881.2 NO3-(ag) -205.0
Cu2+(aq) +64.8 Ni2+(aq) -54.0 Cr2072-(ag) -1490.3 OH2(aq) -230.0
Fe2+(aq) -89.1 Pb2+(aq)
-1.7
F-(aq)
-332.6 PO43-(ag) |-1277.4
Fe3+(ag) -48.5Sn2+(aq)
-8.8
нсо3-(aq) |-692.0
S2-(aq)
+33.1
H+(aq)
0.0
Zn2+(ag) -153.9 H2PO4-(ag|-1296.3 SO42-(ag) -909.3
Transcribed Image Text:Compounds AgBr(s) -100.4 Cacl2(s) -795.8 H2O(g) -241.8 NH4NO3(s)-365.6 AgCl(s) -127.1 Caco3(s) -1206.9 H2O(1) |-285.8 NO(g) +90.2 Agl(s) -61.8 Cao(S) -635.1 H2O2(1) -187.8 NO2(g) +33.2 AGNO3(s) -124.4 Ca(OH)2(s) -986.1 H25(g) -20.6 N204(g) +9.2 Ag20(s) -31.0 CasO4(s) |-1434.1 H2S04() -814.0 Nacl(s) -411.2 Al203(s) |-1675.7 Cdcl2(s) -391.5 HgO(s) -90.8 NaF(s) -573.6 Bacl2(s) -858.6 cdo(s) -258.2 KBr(s) |-393.8 NaOH(s) |-425.6 BaCO3(s) -1216.3 Cr203(s) -1139.7 KCI(s) -436.7 NIO(s) |-239.7 BaO(s) -553.5 CuO(s) -157.3 KCIO3(s) -397.7 PbBr2(s) -278.7 BaSO4(s) |-1473.2 Cu20(s) -168.6 KCIO4(s) -432.8 PbCl2(s) -359.4 CC14(1) |-135.4 Cus(s) KNO3(s) PbO(s) |-219.0 -53.1 -494.6 CHCI3(I) -134.5 Cu2s(s) -79.5 MgCl2(s) -641.3 PbO2(s) -277.4 CH4(g) -74.8 Cuso4(s) -771.4 MgCO3(5) -1095.8 PCI3(g) |-287.0 C2H2(g) +226.7 Fe(OH)3(s) -823.0 Mgo(s) -601.7 PCI5(9) -374.9 C2H4(g) +52.3 Fe203(s) -824.2 Mg(OH)2(5) -924.5 SIO2(s) -910.9 C2H6(g) -84.7 Fe304(s) |-1118.4 MgSO4(s) |-1284.9 Sno2(s) -580.7 C3H8(g) |-103.8 HBr(g) -36.4 MnO(s) SO2(g) -296.8 -385.2 |снзон(-238.7 HCl(g) -92.3 MnO2(s) -520.0 SO3(g) -395.7 C2H5OH() -277.7 HF(g) -271.1 NH3(g) -46.1 Znl2(s) |-208.0 Colg) -110.5 HI(g) +26.5 N2H4(1) +50.6 ZnO(s) |-348.3 CO2(g) -393.5 HNO3() -174.1 NH4Cl(s) -314.4 ZnS(s) -206.0 Cations Anions Ag+(aq) +105.6 Hg2+(aq) +171.1 Br2(aq) -121.6 НРО4 |-1292.1 Al3+(ag) -531.0 K+(aq) |-252.4| CO32-(aq) -677.1 HSO4-(aq) -887.3 Ba2+(aq) -537.6 Mg2+(aq) -466.8 Cl-(aq) -167.2 I-(aq) -55.2 Ca2+(ag) -542.8 Mn2+(aq) -220.8 ClO3-(aq) -104.0 Mn04-(aq) -541.4 Cd2+(ag) -75.9 Na+(aq) -240.1 Cl04-(aq) -129.3 NO2-(aq) |-104.6 Cu+(aq) +71.7 NH4+(ag) -132.5 Cro42-(ag) -881.2 NO3-(ag) -205.0 Cu2+(aq) +64.8 Ni2+(aq) -54.0 Cr2072-(ag) -1490.3 OH2(aq) -230.0 Fe2+(aq) -89.1 Pb2+(aq) -1.7 F-(aq) -332.6 PO43-(ag) |-1277.4 Fe3+(ag) -48.5Sn2+(aq) -8.8 нсо3-(aq) |-692.0 S2-(aq) +33.1 H+(aq) 0.0 Zn2+(ag) -153.9 H2PO4-(ag|-1296.3 SO42-(ag) -909.3
34. Use Hess's law to calculate AH for the decomposition of CS2(1) to its
elements.
CS;(1) –
C(s) + 2S(s)
Use Table 8.3 and the following thermochemical equations:
(1) formation of CO, from its elements at 25°C
(2) formation of SO, from its elements at 25°C
(3) CO,(g) + 2S0,(g) CS,(1) + 3 O2(g)
AH = +1103.9 kJ
Transcribed Image Text:34. Use Hess's law to calculate AH for the decomposition of CS2(1) to its elements. CS;(1) – C(s) + 2S(s) Use Table 8.3 and the following thermochemical equations: (1) formation of CO, from its elements at 25°C (2) formation of SO, from its elements at 25°C (3) CO,(g) + 2S0,(g) CS,(1) + 3 O2(g) AH = +1103.9 kJ
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