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10. The value of AGº for the Haber reaction, 3H2(g) + N2(g) → 2NH3(g), at 25°C...
AGº is -32.7 kJ/mol of N2 for the reaction N2 (g) + 3H2 (g) = 2NH3(g) This calculation was for the reaction under standard conditions—that is, with all gases present at a partial pressure of 1 atm and a temperature of 25°C. Calculate AG for the same reaction under the following nonstandard conditions: . PN2 = 2.00 atm, PH2 = 7.00 atm, PNH3 = 0.021 atm, . and T = 100°C.
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...
Given the following data: ΔΗ -92.2 N2(9)3H2(g) 2NH3(9) kJ N2(g)4H2(g) Cl2(g) - AH = -628.9 2NH4CI(s) kJ NH3(g)HCI(g) NH4CI(s) = -176 kJ ΔΗ Find the AH of the following reaction: H2 (g)Cl2(g) -- 2HCI(g)
What happens when you remove a catalyst from Haber process? N2 (g)+ 3H2 (g) 2NH3(g) if the process has deltaG rxn= -4000 kJ/mol Kp= 8200 A) How would the values of deltaG and Kp change when you remove a catalyst? (decrease, increase, stay the same) B) If catalyst is removed, is reaction going to favour reactants or products?
Consider the Haber synthesis of gaseous NH3 (ΔH∘f = -46.1 kJ/mol; ΔG∘f = -16.5 kJ/mol): N2(g)+3H2(g)→2NH3(g) What are the equilibrium constants Kp and Kc for the reaction at 350 K ? You may assume that ΔH∘ and ΔS∘ are independent of temperature.
In the Haber process, ammonia is synthesized from nitrogen and hydrogen: N2(g) + 3H2(g) → 2NH3(g) ΔG° at 298 K for this reaction is -33.3 kJ/mol. The value of ΔG at 298 K for a reaction mixture that consists of 1.9 atm N2, 1.6 atm H2, and 0.65 atm NH3 is ________. -3.86 × 103 -1.8 -7.25 × 103 -104.5 -40.5
only do part (c) **please explain how to solve M^-2 The Haber process is used to make ammonia, N2(g) + 3H2(g) = 2NH3(g) a) Write down the condition for equilibrium for this reaction in terms of the concentrations of reactants and products. At 298 K, this reaction has AH° = -46 kJ mol"', and AS° = -100 J K-mol?. Assume that AH° and ASº are independent of temperature. At what temperature does AGº vanish, i.e. AG° = 0? (c) Under...
For the reaction 3H2(g) + N2(g) --> 2NH3(g), find the approximate value for the work done at 300 K. a) -5.0 kJ b) -2.5 kJ c) 2.5 kJ d) 5.0 kJ
4) Synthesis of ammonia by the Haber process occurs by the reaction N2(g) + 3H2(8) 52NH3(8) Species ah(kJ mol-1) 4S(J mol-1 K-1) H2(g) 0 130.7 N2(g) 0 191.6 NH3(g) -46.1 192.5 Assuming that AH and 45 are essentially unchanged in the temperature ranging from 25 °C to 400 °C: a. Calculate K at 25°C. b. Calculate K at 400C. (R = 8.314 J mol-1 K-1)
The equilibrium constant kc for the reaction N2(g)+3H2(g) ⇌ 2NH3(g), which corresponds to the formation of ammonia by the Haber process, is 2.13 x 106 at 288k and 1.75 x 105 at 308 k. Calculate the standard enthalpy at 298k Answer: -92,2 kJ/mol