CaO(s) -635.5 NaHCO3(s) -947.7 Ca(OH)2(s) -986.59 Na,CO3(s) -1131 – 1432.7 - 1575.2 CaSO,() NACI(s) -411.0 CaSO, H,0() NAOH(s) -426.8 CaSO4- 2H,0() - 2021.1 Na,SO,(s) - 1384.5 C(g) O,(g) Fe(s) РЫ) Fe,O3() H2(g) H2O(g) -822.2 PbO(s) -219.2 S() -241.8 SO2(g) - 296.9 H,O(/) -285.9 SO,(g) -395.2 ΔΕ-ΔΗ- kJ eTextbook and Media Which is more exothermic, AE or AH? O AE is more exothermic. O AH is more exothermic.

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Chapter6: Thermochemisty
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Problem 6.52QP: The decomposition of ozone, O3, to oxygen, O2, is an exothermic reaction. What is the sign of q? If...
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Calculate the difference, in kilojoules, between AE and AH for the following exothermic reaction at 45 °C.
2N20(g) + 302(g) → 4NO2(g)
Use the data in table below:
Standard Enthalpies of Formation of Typical Substances
Substance
AH (kJ mol-1)
Substance
AH (kJ mol-1)
Ag(s)
AgBr(s)
AgCl(s)
H,O2(1)
-187.6
- 100.4
HBr(g)
-36
- 127.0
HCI(g)
-92.30
Al(s)
HI(g)
HNO3(/)
26.6
Al,O3()
C() (graphite)
- 1669.8
- 173.2
H,SO4(1)
-811.32
CO(g)
-110.5
HC,H;O2(/)
-487.0
CO:(g)
-393.5
Hg(/)
CH,(g)
-74.848
Hg(g)
60.84
CH;CI(g)
CH;I(g)
CH;OH(/)
-82.0
I()
14.2
K(s)
-238.6
KCI(s)
-435.89
CO(NH,),() (urca)
-333.19
K,SO,()
-1433.7
CO(NH)½(aq)
N2(g)
NH3(g)
NH,CI()
-391.2
CH2(g)
226.75
-46.19
C,H4(g)
52.284
-315.4
C,H(g)
C,H,OH(I)
NO(g)
NO:(g)
-84.667
90.37
-277.63
33.8
N,0(g)
N,O4(g)
Ca(s)
81.57
CaBr,(s)
-682.8
9.67
- 1207
CACO3(s)
CaC2(s)
N,O5(g)
11
-795.0
Na(s)
CaO(s)
-635.5
NaHCO3(5)
-947.7
Ca(OH)2(s)
-986.59
Na,CO3(s)
-1131
CaSO,()
-1432.7
NaCI(s)
-411.0
CaSO, H,0()
- 1575.2
NaOH(3)
-426,8
CaSO,- 2H,0(s)
- 2021.1
Na,SO,()
- 1384.5
Ch(g)
O,(g)
Transcribed Image Text:Calculate the difference, in kilojoules, between AE and AH for the following exothermic reaction at 45 °C. 2N20(g) + 302(g) → 4NO2(g) Use the data in table below: Standard Enthalpies of Formation of Typical Substances Substance AH (kJ mol-1) Substance AH (kJ mol-1) Ag(s) AgBr(s) AgCl(s) H,O2(1) -187.6 - 100.4 HBr(g) -36 - 127.0 HCI(g) -92.30 Al(s) HI(g) HNO3(/) 26.6 Al,O3() C() (graphite) - 1669.8 - 173.2 H,SO4(1) -811.32 CO(g) -110.5 HC,H;O2(/) -487.0 CO:(g) -393.5 Hg(/) CH,(g) -74.848 Hg(g) 60.84 CH;CI(g) CH;I(g) CH;OH(/) -82.0 I() 14.2 K(s) -238.6 KCI(s) -435.89 CO(NH,),() (urca) -333.19 K,SO,() -1433.7 CO(NH)½(aq) N2(g) NH3(g) NH,CI() -391.2 CH2(g) 226.75 -46.19 C,H4(g) 52.284 -315.4 C,H(g) C,H,OH(I) NO(g) NO:(g) -84.667 90.37 -277.63 33.8 N,0(g) N,O4(g) Ca(s) 81.57 CaBr,(s) -682.8 9.67 - 1207 CACO3(s) CaC2(s) N,O5(g) 11 -795.0 Na(s) CaO(s) -635.5 NaHCO3(5) -947.7 Ca(OH)2(s) -986.59 Na,CO3(s) -1131 CaSO,() -1432.7 NaCI(s) -411.0 CaSO, H,0() - 1575.2 NaOH(3) -426,8 CaSO,- 2H,0(s) - 2021.1 Na,SO,() - 1384.5 Ch(g) O,(g)
CaO(s)
-635.5
NaHCO3(s)
-947.7
Ca(OH)2(s)
-986.59
Na,CO3(s)
-1131
– 1432.7
- 1575.2
CaSO,()
NACI(s)
-411.0
CaSO, H,0()
NAOH(s)
-426.8
CaSO4- 2H,0()
- 2021.1
Na,SO,(s)
- 1384.5
C(g)
O,(g)
Fe(s)
РЫ)
Fe,O3()
H2(g)
H2O(g)
-822.2
PbO(s)
-219.2
S()
-241.8
SO2(g)
- 296.9
H,O(/)
-285.9
SO,(g)
-395.2
ΔΕ-ΔΗ-
kJ
eTextbook and Media
Which is more exothermic, AE or AH?
O AE is more exothermic.
O AH is more exothermic.
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Transcribed Image Text:CaO(s) -635.5 NaHCO3(s) -947.7 Ca(OH)2(s) -986.59 Na,CO3(s) -1131 – 1432.7 - 1575.2 CaSO,() NACI(s) -411.0 CaSO, H,0() NAOH(s) -426.8 CaSO4- 2H,0() - 2021.1 Na,SO,(s) - 1384.5 C(g) O,(g) Fe(s) РЫ) Fe,O3() H2(g) H2O(g) -822.2 PbO(s) -219.2 S() -241.8 SO2(g) - 296.9 H,O(/) -285.9 SO,(g) -395.2 ΔΕ-ΔΗ- kJ eTextbook and Media Which is more exothermic, AE or AH? O AE is more exothermic. O AH is more exothermic. Save for Later Attempts: 0 of 1 used Submit Answer
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