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MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access the section in your eText. Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C. Substance AH (kJ/mol) Substance AH (kJ/mol) Substance AH (kJ/mol) Al(g) HCl(aq) NF3 (8) Al₂O3(s) Cr(g) NH3(g) F(g) C(g) NH3(aq) CH4 (g) C₂H₂(g) C₂H₁ (g) C₂H6 (g) CO(g) CO₂(g) Cl(g) HCl(g) 330.0 -1675.7 716.7 -74.6 227.4 52.4 -84.68 -110.5 -393.5 121.3 -92.3 HF (g) HF (aq) H(g) Fe(g) FeO(s) Fe₂O3(s) Fe3O4(s) N(g) -167.2 396.6 79.38 -273.3 -335.0 218.0 416.3 -272.0 -824.2 -1118.4 472.7 O(g) 03(g) S(g) SO₂(g) SO3(g) Sn(g) SnO(s) SnO₂ (s) -132.1 -45.9 -80.29 249.2 142.7 277.2 -296.8 -395.7 301.2 -280.7 -577.6 ▼ 2C (s) + H₂ (g) →C₂H₂ (8) Submit ✓ Correct C₂H₂(g) is composed of elements C and H. In their standard states, C exists as a monatomic solid and H exists as a diatomic gas. Thus, the formation of 1 mol of C₂ H₂(g) is expressed by the following chemical equation: 2C(s) + H₂(g) → C₂H₂(g) Part H Previous Answers Find AH; for C₂H₂ (g) from the given table. Express your answer in kilojoules per mole to one decimal place. AH; Submit VO ΑΣΦ Request Answer ? kJ/mol

MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access the section in your eText. Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C. Substance AH (kJ/mol) Substance AH (kJ/mol) Substance AH (kJ/mol) Al(g) HCl(aq) NF3 (8) Al₂O3(s) Cr(g) NH3(g) F(g) C(g) NH3(aq) CH4 (g) C₂H₂(g) C₂H₁ (g) C₂H6 (g) CO(g) CO₂(g) Cl(g) HCl(g) 330.0 -1675.7 716.7 -74.6 227.4 52.4 -84.68 -110.5 -393.5 121.3 -92.3 HF (g) HF (aq) H(g) Fe(g) FeO(s) Fe₂O3(s) Fe3O4(s) N(g) -167.2 396.6 79.38 -273.3 -335.0 218.0 416.3 -272.0 -824.2 -1118.4 472.7 O(g) 03(g) S(g) SO₂(g) SO3(g) Sn(g) SnO(s) SnO₂ (s) -132.1 -45.9 -80.29 249.2 142.7 277.2 -296.8 -395.7 301.2 -280.7 -577.6 ▼ 2C (s) + H₂ (g) →C₂H₂ (8) Submit ✓ Correct C₂H₂(g) is composed of elements C and H. In their standard states, C exists as a monatomic solid and H exists as a diatomic gas. Thus, the formation of 1 mol of C₂ H₂(g) is expressed by the following chemical equation: 2C(s) + H₂(g) → C₂H₂(g) Part H Previous Answers Find AH; for C₂H₂ (g) from the given table. Express your answer in kilojoules per mole to one decimal place. AH; Submit VO ΑΣΦ Request Answer ? kJ/mol

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access the section in your eText. Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C. Substance AH (kJ/mol) Substance AH (kJ/mol) Substance AH (kJ/mol) Al(g) Al2O3(s) C(g) CH4 (g) C₂ H₂(g) C₂H4 (g) C₂H6 (g) CO(g) CO₂(g) Cl(g) HCl(g) 330.0 -1675.7 716.7 -74.6 227.4 52.4 -84.68 -110.5 -393.5 121.3 -92.3 HCl(aq) Cr(g) F(g) HF (g) HF (aq) H(g) Fe(g) FeO(s) Fe₂O3(s) Fe3O4(s) N(g) -167.2 396.6 79.38 -273.3 -335.0 218.0 416.3 -272.0 -824.2 -M18.4 472.7 NF3 (g) NH3(g) NH3(aq) O(g) 03(g) S(g) SO₂(g) SO3(g) Sn(g) SnO(s) SnO₂ (s) -132.1 -45.9 -80.29 249.2 142.7 277.2 -296.8 -395.7 301.2 -280.7 -577.6 ▼ 2C (s) + H₂ (g) →C₂H₂ (8) Submit Previous Answers ✓ Correct C₂H₂(g) is composed of elements C and H. In their standard states, C exists as a monatomic solid and H exists as a diatomic gas. Thus, the formation of 1 mol of C₂ H₂(g) is expressed by the following chemical equation: 2C(s) + H₂(g) → C₂H₂(g) Part H Find AH for C₂ H2(g) from the given table. Express your answer in kilojoules per mole to one decimal place. AH; = Submit V ΑΣΦ Provide Feedback Request Answer ? kJ/mol Next >
Transcribed Image Text:MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access the section in your eText. Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C. Substance AH (kJ/mol) Substance AH (kJ/mol) Substance AH (kJ/mol) Al(g) Al2O3(s) C(g) CH4 (g) C₂ H₂(g) C₂H4 (g) C₂H6 (g) CO(g) CO₂(g) Cl(g) HCl(g) 330.0 -1675.7 716.7 -74.6 227.4 52.4 -84.68 -110.5 -393.5 121.3 -92.3 HCl(aq) Cr(g) F(g) HF (g) HF (aq) H(g) Fe(g) FeO(s) Fe₂O3(s) Fe3O4(s) N(g) -167.2 396.6 79.38 -273.3 -335.0 218.0 416.3 -272.0 -824.2 -M18.4 472.7 NF3 (g) NH3(g) NH3(aq) O(g) 03(g) S(g) SO₂(g) SO3(g) Sn(g) SnO(s) SnO₂ (s) -132.1 -45.9 -80.29 249.2 142.7 277.2 -296.8 -395.7 301.2 -280.7 -577.6 ▼ 2C (s) + H₂ (g) →C₂H₂ (8) Submit Previous Answers ✓ Correct C₂H₂(g) is composed of elements C and H. In their standard states, C exists as a monatomic solid and H exists as a diatomic gas. Thus, the formation of 1 mol of C₂ H₂(g) is expressed by the following chemical equation: 2C(s) + H₂(g) → C₂H₂(g) Part H Find AH for C₂ H2(g) from the given table. Express your answer in kilojoules per mole to one decimal place. AH; = Submit V ΑΣΦ Provide Feedback Request Answer ? kJ/mol Next >
MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access the section in your e Text. Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C. Substance AH (kJ/mol) Substance AH (kJ/mol) Substance AH (kJ/mol) Al(g) HCl(aq) NF3 (8) Al2O3(s) Cr(g) NH3(g) F(g) C(g) CH4 (g) C₂ H₂(g) C2H₁ (g) C₂H6 (g) CO(g) CO₂(g) Cl(g) HCl(g) 330.0 -1675.7 716.7 -74.6 227.4 52.4 -84.68 -110.5 -393.5 121.3 -92.3 HF (g) -167.2 396.6 79.38 -273.3 HF (aq) H(g) 218.0 Fe(g) 416.3 FeO(s) -272.0 Fe₂O3(s) -824.2 Fe3O4(s) -M118.4 N(g) 472.7 -335.0 NH3(aq) O(g) 03(g) S(g) SO₂(g) SO3(g) Sn(g) SnO(s) SnO₂ (s) -132.1 -45.9 -80.29 249.2 142.7 277.2 -296.8 -395.7 301.2 -280.7 -577.6 ▼ ress your ans 4Cr (s) + 302 (g) →2Cr2O3 (s) Submit Part F ✓ Correct Cr2O3 (s) is composed of elements Cr and O. In their standard states, Cr exists as a monatomic solid and O exists as a diatomic gas. Thus, the formation of 1 mol of Cr₂O3 (s) is expressed by the following chemical equation: 2Cr(s) + O2(g) → Cr2O3(s) as a chemical equation including phases. ΔΗ Previous Answers Find AH for Cr2O3 (s) from the given table. Express your answer in kilojoules per mole to one decimal place. Submit V ΑΣΦ Request Answer 200 ? kJ/mol
Transcribed Image Text:MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access the section in your e Text. Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C. Substance AH (kJ/mol) Substance AH (kJ/mol) Substance AH (kJ/mol) Al(g) HCl(aq) NF3 (8) Al2O3(s) Cr(g) NH3(g) F(g) C(g) CH4 (g) C₂ H₂(g) C2H₁ (g) C₂H6 (g) CO(g) CO₂(g) Cl(g) HCl(g) 330.0 -1675.7 716.7 -74.6 227.4 52.4 -84.68 -110.5 -393.5 121.3 -92.3 HF (g) -167.2 396.6 79.38 -273.3 HF (aq) H(g) 218.0 Fe(g) 416.3 FeO(s) -272.0 Fe₂O3(s) -824.2 Fe3O4(s) -M118.4 N(g) 472.7 -335.0 NH3(aq) O(g) 03(g) S(g) SO₂(g) SO3(g) Sn(g) SnO(s) SnO₂ (s) -132.1 -45.9 -80.29 249.2 142.7 277.2 -296.8 -395.7 301.2 -280.7 -577.6 ▼ ress your ans 4Cr (s) + 302 (g) →2Cr2O3 (s) Submit Part F ✓ Correct Cr2O3 (s) is composed of elements Cr and O. In their standard states, Cr exists as a monatomic solid and O exists as a diatomic gas. Thus, the formation of 1 mol of Cr₂O3 (s) is expressed by the following chemical equation: 2Cr(s) + O2(g) → Cr2O3(s) as a chemical equation including phases. ΔΗ Previous Answers Find AH for Cr2O3 (s) from the given table. Express your answer in kilojoules per mole to one decimal place. Submit V ΑΣΦ Request Answer 200 ? kJ/mol
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