Calculate the value of the free energy change, ΔG, for the reaction below at 150.0ºC when the pressures of
H2S (g) = 0.0200 atm,
SO2(g) = 0.400 atm,
H2O (g) = 5.00 atm.
2 H2S (g) + SO2 (g) → 3 S (s) + 2 H2O (g)
ΔGº = –90.88 kJ
ΔHº = –146.47 kJ
ΔSº = –186.45 J/K
ΔG = Answer kJ
Calculate the value of the free energy change, ΔG, for the reaction below at 150.0ºC when...
Calculate the value of the free energy change, ΔG, for the reaction below at 175.0ºC when the pressures of H2S (g) = 0.0100 atm, SO2(g) = 0.0250 atm, and H2O (g) = 2.50 atm. 2 H2S (g) + SO2 (g) → 3 S (s) + 2 H2O (g) ΔGº = –90.88 kJ ΔHº = –146.47 kJ ΔSº = –186.45 J/K
Calculate the value of the free energy change, ΔG, for the reaction below at 227.0ºC when the pressures of NO (g) = 2.00 atm, O₂ (g) = 10.00 atm, and NO₂ (g) = 0.0250 atm. 2 NO (g) + O₂ (g) → 2 NO₂ (g) ΔGº = -70.54 kJ ΔHº = -114.14 kJ ΔSº = -146.43 J/K ΔG = ? kJ
(CM13201_S20), Calculate the value of the free energy change, AG, for the reaction below at 127.0°C when the pressures of NOCI (g) = 5.00 atm, NO (g) = 0.0200 atm, and Cl (g) - 0.0100 atm. 2 NOCI (9) - 2 NO (g) + Cl2 (g) AG° = 41.00 kj AH° = 77.08 kJ AS° = 121.24 J/K AGE Check
Given the reference thermodynamic data below taken at 25°C, calculate the value of the equilibrium constant for the reaction shown at 800.0ºC COCl2 (g) ⇄ CO (g) + Cl2 (g) ΔGº = 69.46 kJ ΔHº = 110.38 kJ ΔSº = 137.24 J/K K = Answer at 800.0ºC
Hydrogen cyanide is produced industrially from ammonia and methane at 1000ºC utilizing a platinum-rhodium catalyst by the following reaction: 2 NH3(g) + 3 O2(g) + 2 CH4(g) → 2 HCN(g) + 6 H2O(g) a) Calculate ΔGº, ΔHº, and ΔSº for this reaction at 25.00ºC. ΔGº ΔHº ΔSº b) Why is this reaction performed at such a high temperature (1000ºC)? _____________________________________________________________________________ _____________________________________________________________________________ c) Calculate the value of the equilibrium constant for this reaction at 25.00ºC. ___________________________________ d) What is the value...
1. For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction 2NO(g)+O2(g)↽−−⇀2NO2(g) the standard change in Gibbs free energy is Δ?°=−69.0 kJ/mol . What is ΔG for this reaction at 298 K when the partial pressures are ?NO=0.500 atm , ?O2=0.400 atm , and ?NO2=0.900 atm ? 2. Given the following information A+B⟶2D Δ?∘=656.0 kJ Δ?∘=291.0 J/K C⟶D ΔH°=467.0 kJ ΔS°=−116.0 J/K calculate ΔG° at 298 K for...
Calculate the standard change in Gibbs free energy of the
following reactions at Standard Ambient Temperature and Pressure
(SATP where T = 25°C and P = 1 atm) and label them as spontaneous
or nonspontaneous.
(a) 2 SO2(g) + O2(g) 2 SO3(g): ΔΗ.-197.8 k , dS.-188.0 J/K kJ, and the reaction is Selectv (b) 2 C6H6(/) + 15 O2(g) 12 CO2(g) + 6 H2O(/); ΔΗ.-6535.0 kJ, S.-439.2 J/K kJ, and the reaction is Select (c) C(diamond); C(graphite); ΔΗ--19 ki, as...
Given the thermodynamic data below, calculate the value of the equilibrium constant for the reaction shown at 25.0ºC H₂ (g) + I₂ (g) ⇄ 2 HI (g) ΔHº = -9.48 kJ ΔSº = +21.79 J/K K = Answer at 25.0ºC
Using values of ΔG°f, calculate ΔG°rxn for the following reaction. Is the reaction product-favored or reactant-favored? SiCl4(g) + 2 Mg(s) → 2 MgCl2(s) + Si(s) ΔG°f (kJ/mol) HgS(s) -50.6 SO2(g) -300.13 H2S(g) -33.56 H2O(ℓ) -228.59 SiCl4(g) -622.76 MgCl2(s) -591.59 ____ kJ/mol? product-favored or reactant-favored?
Use the given data at 500 K to calculate ΔG°for the reaction 2H2S(g) + 3O2(g) → 2H2O(g) + 2SO2(g) Substance H2S(g) O2(g) H2O(g) SO2(g) ΔH°f(kJ/mol) -21 0 -242 -296.8 S°(J/K·mol) 206 205 189 248