2 H2S(g) + 3 O2(g) → 2 H2O(l) + 2 SO2(g) Compound ΔHof (kJ/mol) Sof (J/mol.K)...
Calculate ΔS∘rxn for the balanced chemical equation H2S(g)+2O2(g)→H2O(g)+SO3(g) Express the entropy change to four significant figures and include the appropriate units. Standard enthalpies for selected substances at 25∘C Substance S∘(J/(mol⋅K)) O2(g) 205.2 SO2(g) 248.2 SO3(g) 256.8 H2O(g) 188.8 H2S(g) 205.8
What is ∆So at 298 K for the following reaction? 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g) ΔH°f (kJ/mol) -20.6 -296.8 -241.8 Δ G°f( kJ/mol) -33 -300.2 -228.60
Calculate ΔHo for C6H6 (l) + 15/2 O2 (g) → 6 CO2 (g) + 3 H2O (l) from ΔHof C6H6 (l) = 49.0 kJ ΔHof CO2 (g) = - 393.5 kJ ΔHof H2O (l) = -285.8 k J
3) Calculate the AH,º for the following reactions based on the standard heat of enthalpy of each compound. AH° (kJ/mol): HCl(g) → -92.3, NaCl(s) →-411.0, NaOH(s) →-426.7. H2O(g) +-241.8 SO2(g) → -296.8, H2S(g) → -20.0, O2(g) → 0.0, H2O(l) →-285.8 a) NaOH(s) + HCl(g) ----> NaCl(s) + H2O(g) b) 2 H2S(g) + 3 O2(g) ---> 2 H2O(l) + 2 SO2(g)
Calculate ΔHf°(SO3) from the following information. S(s) + O2(g) → SO2(g) ΔHrxn° = -296.8 kJ SO2(g) + 1/2 O2(g) → SO3(g) ΔHrxn° = -98.9 kJ
Consider the reaction of NO(g) from its elements. 2 502(g) + O2(g) → 2 SO3(9) Use the thermodynamic data given to determine the following for this reaction: AH°, equal O kJ/mol Asº, equals O J/molk Calculate the AG, at 500 °c with all gases at standard pressure and equilibrium constant K at 500 °C. AG, at 500 °c equals O kJ/mol K at 500 equals tance (kJ/mol) (J/mol-K) O2(g) 205.2 SO2(g) -296.8 248.2 SO3(9) -395.7 240.0 AHO so
Heat of Formation Calculations: 32) Use a standard enthalpies of formation (Ho) table to determine the change in enthalpy for each of these reactions Hrxn [n. Ho(products) - n. Ho(products)] CO (g): -110.5 kJ/mol; CO2 (g): -393.5 kJ/mol CH4 (g): -890.4 kJ/mol H2O (l): -285.8 kJ/mol; H2O (g): -241.8 kJ/mol H2S (g): -20.6 kJ/mol; NO: -90.2 kJ/mol NO2: +33.9 kJ/mol; HCl (g): -92.3 kJ/mol NaOH (s): -426.7 kJ/mol; SO2 (g): -296.8 kJ/mol a) CH4(g) + 2 O2(g) ---> CO2(g) +...
Find the enthalpy change for the reaction CS2(l) + 3 O2(g) → CO2(g) + 2 SO2(g) when: C(s) + O2(g) → CO2(g) ΔHf = -393.5 kJ/mol S(s) + O2(g) → SO2(g) ΔHf = -296.8 kJ/mol C(s) + 2 S(s) → CS2(l) ΔHf = 87.9 kJ/mol
Standard Enthalpies of Formation (ΔHof): C4H10(g) = -124.8 kJ/mol CO2(g) = -393.5 kJ/mol H2O(l) = -285.8 kJ/mol What is the total amount of heat required for the process? What is the molar heat of combustion for butane? What is the mass of butane needed for this process?
1. 1) luciferin+O2 ⇌ oxyluciferin+light 2) ATP⇌AMP+PPi ΔG∘=−31.6 kJ/mol If the overall ΔG∘ of the coupled reaction is -1.21 kJ/mol , what is the equilibrium constant, K, of the first reaction at 11∘C? Round your answer to 3 significant figures. 2. When methanol (CH3OH) is combusted, such as when in a gasoline blend, the following reaction occurs: 2CH3OH(l)+3O2(g)→2CO2(g)+4H2O(g) Based on the standard free energies of formation given, what is the standard free energy change for this reaction? Report the answer...