The reaction shown below favors lower temperature to produce NH3. Explain using ΔH and ΔS.
N2(g) + 3H2(g) ⇌ 2NH3(g)
ΔG = -33kJ/mol
Bond energy :
N---N 945kJ/mol
H-H 436kJ/mol
N-H 391kJ/mol
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The reaction shown below favors lower temperature to produce NH3. Explain using ΔH and ΔS. N2(g)...
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.
18. Assuming that, since the physical states do not change, the values of ΔH and ΔS do not change as we raise the temperature, and using, NH3(g), Δ =-46,0 kJ mol., S' = +1 92.5 J mol·i K-1 calculate a value for the free energy change, Δ G for the reaction below, at 500 ℃ N2(g) + 3H2(g) 2 NH3(g) -> a. +7.2 kJ b. +61.3 kJ c. +18.8 kJ d. +54.2 kJ e. +83.3 kJ
Nitrogen and hydrogen
combine at a high temperature, in the presence of a catalyst, to
produce ammonia.
N2(g)+3H2(g)⟶2NH3(g)N2(g)+3H2(g)⟶2NH3(g)
Assume 0.280 mol
N20.280 mol N2 and 0.880 mol H20.880 mol H2 are present
initially.
After complete reaction, how many moles of ammonia are
produced?
Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) + 2NH3(g) Assume 0.280 mol N, and 0.880 mol H, are present initially. After complete reaction, how...
For the reaction 2NH3(g)<->N2(g)+3H2(g), Kc=0.0076 at a particular temperature. If 0.025 M NH3, 0.50M N2, and 0.015 M H2 are mixed in a reaction vessel, is the reaction at equilibrium? If not, in what direction will the reaction shift to reach equilibrium?
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1. Consider a process at 286 K with ΔH = -72.5 kJ/mol and ΔS = -96.8 J/K mol Which of the following is true? ΔG = -44.8 kJ/mol and the process will not be spontaneous ΔG = +39.4 kJ/mol and the process will be spontaneous ΔG = -44.8 kJ/mol and the process will be spontaneous ΔG = -19.1 kJ/mol and the process will not be spontaneous ΔG = +39.4 kJ/mol and the process will not be spontaneous 2. Consider a...
For the reaction Cl2O(g) + 3/2O2(g) → 2ClO2(g) ΔH° = 126.4 kJ/mol and ΔS° = -74.9 J/K mol. At 381°C, what is ΔG?
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