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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.

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.

Chemistry: Principles and Practice
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 5.99QE
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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. Save for Later Attempts: 0 of 1 used Submit Answer
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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