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 (g) Al2O3(s) Cr(g) NH3(g) F(g) NH3(aq) C(g) CH4 (g) C₂H₂(g) C₂H₁ (8) 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 -M18.4 472.7 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 Review | Constants | Periodic Table Enter an equation for the formation of CO2 (g) from its elements in their standard states. Express your answer as a chemical equation including phases. C(s) + O2 (g) →CO2 (g) Submit ✔✓ Correct CO2 (g) is composed of elements C and O. In their standard states, C exists as a monatomic solid and O exists as a diatomic gas. Thus, the formation of 1 mol of CO₂ (g) is expressed by the following chemical equation: C(s) + O2(g) → CO₂ (g) Part D Previous Answers Find AH for CO₂ (g) from the given table. Express your answer in kilojoules per mole to one decimal place. ΔΗ V ΑΣΦ kJ/mol

eq M M IS M ots M M M # 3 E D Consider the reaction 2H₂O(l) 2H₂(g) + O₂(g) The standard free energy change for this reaction is 474.2 kJ. The free energy change when 1.88 moles of H₂O(1) react at standard condition is kJ. 20 C What is the maximum amount of useful work that the reaction of 1.88 moles of H₂O(l) is capable of producing in the surroundings under standard conditions? If no work can be done, enter none. kJ Submit Answer $ 4 R F > % 5 T [References] Use the References to access important values if needed for this question. Retry Entire Group 9 more group attempts remaining G Cengage Learning Cengage Technical Support 6 B MacBook Pro Y Topics] H & 7 N U J ▶II * 00 8 M I ( 9 K. O < 96 ) L P V t Previous Email Instructor Save and Exit { + 11 [ Next ? } 1 dele

A chemist fills a reaction vessel with 2.90 atm nitrogen monoxide (NO) gas, 6.95 atm chlorine (Cl,) gas, and 7.94 atm nitrosyl chloride (NOCI) gas at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: 2NO (g) + Cl, (g) 2NOC1 (g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule.

Using enthalpies of formation, calculate deltaH for the following reaction at 25°C. Also calculate deltaS for this reaction from standard entropies at 25°C. Use these values to calculate deltaG for the reaction at this temperature. Species  deltaHf(kJ/mol)  S(J/mol⋅K) CH3OH(l) –238.7 126.8 O2(g) 0 205.0 CO2(g) –393.5 213.7 H2O(l) –285.8 69.95 2CH3OH(l) +3O2(g) --- 2CO2(g) + 4H2O(l) deltaH =  kJ deltaS =  J/K deltaG =  kJ

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C?2CH4(g)→C2H6(g)+H2(g), Calculate ΔS∘rxn at 25 ∘C. 2NH3(g)→N2H4(g)+H2(g) Calculate ΔS∘rxn at 25 ∘C. N2(g)+O2(g)→2NO(g) Calculate ΔS∘rxn at 25 ∘C. 2KClO3(s)→2KCl(s)+3O2(g) Calculate ΔS∘rxn at 25 ∘C.

AGO SnO₂(s) + 2 CO(g) → Sn(s) + 2 CO₂(g) Use this information to complete the table below. Round each of your answers to the nearest kJ. The standard reaction free energy reaction 2Sn (s) + 4CO₂(g) == - 194. kJ for this reaction: 2SnO₂ (s) + 4CO(g) 3 SnO₂ (s) + 6CO(g) → 3Sn(s) + 6CO₂(g) Sn(s) + 2CO₂(g) SnO₂ (s) + 2CO (g) AGⓇ ☐ kJ kJ KJ x10 X Ś

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A chemist fills a reaction vessel with 1.75 atm nitrogen monoxide (NO) gas, 1.94 atm chlorine (Cl₂) gas, and 4.19 atm nitrosyl chloride (NOCI) gas at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: 2NO(g)+Cl₂(g) 2NOCI(g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule.

Answer this question without using numbers from the book (or anywhere else!) ΔS for the following reaction is negative. True or false?   2 CO(g) + O2(g) → 2 CO2(g)