For the reaction N2(g) + 3 H2(g) = 2 NH3(g), what is AG (in kJ) at...
For the reaction N2(g) + 3H2(g) = 2 NH3(g), what is AG (in kJ) at 298 K when the pressures of the gases are: P(N2) = .13 atm P(H2) = 6.2 x 10-5 atm P(NH3) = 1.8 atm? +1.73 +47.0 0 -33.0 0-113 0 -2.49
At 400 K, the reaction N2 (g) + 3 H2 (g) → 2 NH3 (g) reaches equilibrium when the partial pressures of nitrogen, hydrogen, and ammonia gases are 4.00 atm, 1.00 atm, and 1.05 x 10−2 atm, respectively. Given that the standard enthalpy of the reaction at 400K is DH = -94 kJ/mol, estimate the value of the equilibrium constant KP at 450 K assuming that the standard enthalpy of reaction does not vary significantly with temperature in this temperature...
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a. Is this reaction spontaneous? Explain. b. Predict the sign of AS. Explain. C. Based on your answer to part b, is this reaction exothermic or endothermic? Explain. For the reaction N2(g) + 3H2(g) 2NH3 (8) a. Using values in Appendix Cin your book, calculate AHⓇ and AS. b. Assuming that AHºand ASº don't change with temperature, calculate the value for AG at 400K Is...
N2(g) + 3 H2(g) ⇌ 2 NH3(g) KP = 6.78 x 105 at 298 K (determined using atm) A 7.5 x 101 L container being held at 298 K is charged with the three gases present in the above equation. Once finished, the initial partial pressure of N2 was 0.59 atm, the initial partial pressure of H2 was 0.45 atm, and the initial partial pressure of NH3 was 0.11 atm. The gas mixture was then allowed to reach equilibrium. Use...
IF ÄH and ÄS are both negative for a reaction, then the reaction is: a. nonspontaneous at low temperatures and spontaneous at high temperatures. b. spontaneous at low temperatures and nonspontaneous at high temperatures. C. spontaneous at all temperatures. d. nonspontaneous at all temperatures. e. none of the choices given above Suppose that AH° = +95.1 kJ and AS° =-0.192 kJ/K for a chemical reaction. What is AG at 600 K? a. +20.1 kJ b.-20.1 kJ c. +152.3k) d.+210.3 kJ...
A buffer is prepared by dissolving HF and NaF in water. Which of the following is the net ionic equation describing how the buffer neutralizes an acid (H+) that is added to the buffer? a. H+ + OH-H20 b. H+ + NaF-Nat + HF c. H + HF-HF d. H* + H20-H30* e. H +F HF For the reaction: N2(g) + 3H2(g) 22 NH3(g) first calculate AGº using values from Table 6, and then calculate AG at 298 K when...
Find ΔrG for the following (in kJ mol-1) N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) The conditions for this reaction are: Temp: 298k P - NH3 = 0.95 bar P - H2 = 1.95 bar P - N2 = 1.25 bar NH3(g) ?H ∙(kJ mol-1) = -45.9 ?G ∙(kJ mol-1) = -16.4 S ∙(J K-1 mol-1)192.8 N2(g) ?H ∙(kJ mol-1) = 0 ?G ∙(kJ mol-1) = 0 S ∙(J K-1 mol-1)191.6 H2(g) ?H ∙(kJ mol-1) = 0...
Info from ALEKS data lab: Gf[N2] = 0 kj/mol Gf[H2] = 0 kj/mol Gf[NH3] = -26.50 kj/mol A chemist fills a reaction vessel with 0.520 atm nitrogen (N2) gas, 7.66 atm hydrogen (H) gas, and 5.02 atm ammonia (NH3) gas at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: N2(g) + 3H2(g) + 2NH3(g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule....
8. The AG for the reaction H2(g) + 12(e) = 2 HI) is 2.60 kJ/mol at 25°C. In an experiment, the initial pressures are Pe = 3.98 atm, P = 0.044 atm, and P = 0.29 atm. Calculate AG for the reaction and predict the direction of the net reaction
15. Consider the reaction 2 NO2(g) N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3 kJ/mol, calculate G° at 298 K. kJ (b) Calculate G at 298 K if the partial pressures of NO2 and N2O4 are 0.35 atm and 1.60 atm, respectively. kJ 16. Consider the reaction given below. H2(g) + F2(g) 2 HF(g) (a) Using thermodynamic data from the course website, calculate G° at 298 K. kJ (b) Calculate G at 298 K...