10 mol NH3(g) was placed in a previously evacuated 20-L container. After a sudden temperature rise to 961.4K, 80% of ammonia dissociated into hydrogen and nitrogen according to the reaction:
2/3 NH3(g) ------> 1/3 N2(g) + H2(g)
What is the total pressure of the mixture, if all gasses are ideal? (correct sig-figs)


10 mol NH3(g) was placed in a previously evacuated 20-L container. After a sudden temperature rise...
Ammonia, NH3(g)NH3(g), at a pressure of 1.13 bar, is placed in a container at a certain temperature. When equilibrium is established at that temperature, the pressure of H2(g)H2(g) is 0.620 bar. Part A Determine the value of KPKP for the decomposition of NH3NH3 at that temperature: 2NH3(g)⇌3H2(g)+N2(g)2NH3(g)⇌3H2(g)+N2(g) Express your answer in squared bars to three significant figures. Please show steps and the final units in bar^2
1. A sample of solid ammonium chloride was placed in an evacuated container and then heated so that it decomposed to ammonia gas and hydrogen chloride gas. After heating, the partial pressure of NH3 in the container was found to be 2.2 atm. Calculate Kp at this temperature for the decomposition reaction: NH4Cl (s) ⇄ NH3 (g) + HCl (g). 2. Consider the endothermic reaction Fe3+ (aq) + Cl¯ (aq) ⇄ FeCl2+ (aq). Use Le Châtelier’s principle to predict how...
NH4NS (s) ⇌ NH3(g) + H2S(g) A sample of NH4NS(s) is placed in an evacuated container and allowed to come to equilibrium. The partial pressure of both gases (NH3(g) and H2S(g)) is then decreased to 0.0590atm. What is new partial pressure of NH3(g) and H2S(g) once equilibrium re-establishes?
Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3 H2(g) + N2(g) → 2 NH3(g). The value of AH is -92.38 kJ/mol, and that of AS is -198.2 J/mol · K. Determine AG at 50.00°C for the preparation of 2 moles of NH3. (answer in kJ/mol) Answer: -56.723 Check
A mixture of 0.02138 mol of C2H6,
0.006096 mol of N2, 0.01567 mol of NH3, and
0.02233 mol of C2H4 is placed in a 1.0-L
steel pressure vessel at 5155 K. The following equilibrium is
established:
3 C2H6(g) + 1 N2(g)
2 NH3(g) + 3
C2H4(g)
At equilibrium 0.0006616 mol of N2 is found in
the reaction mixture.
(a) Calculate the equilibrium partial pressures of
C2H6, N2, NH3, and
C2H4.
Peq(C2H6) = .
Peq(N2) = .
Peq(NH3) = .
Peq(C2H4)...
At a high temperature, 0.500 mol of HBr was placed in a 1.00 L container and allowed to decompose according to the reaction 2HBr (g) ⇌ H2 (g) + Br2 (g). At equilibrium the concentration of Br2 was measured to be 0.130 M. What is the Keq for this reaction at this temperature? 0.078 0.036 0.293 0.0093 0.011
A 0.030-m^3 container is initially evacuated. Then, 4.0 g of water is placed in the container, and, after some time, all the water evaporates. If the temperature of the water vapor is 388 K, what is its pressure?
Question 10 of 23 > At a certain temperature, 0.4011 mol of N2 and 1.641 mol of H2 are placed in a 4.00 L container N2(g)+3 H2 g) 2NH3(g) At equilibrium, 0.1401 mol of N2 is present. Calculate the equilibrium constant, Ke
A mixture of 2.0 mol of H2(g) and 1.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 24 ∘C. The mixture is ignited with a spark and it reacts to form liquid water. (The specific heat for water vapor is 2.04 J/g⋅oC, and ∆Hvap = 44.0 kJ/mol) The heat generates in the exothermic reaction will heat the liquid water to boiling, vaporize it, and heat the vapor to its final temperature....
4. The equilibrium constant for the reaction is 2.60 x 10-7 at 300 °C. 2 NO2(g) = 2 02(g) + N2(g) If 0.250 mol of NO, gas is placed in 5.00 L vessel and allowed to reach equilibrium at this temperature, calculate the equilibrium concentrations of the nitrogen gas and oxygen gas. (Ignoring X Method) s. For the following reaction: 2 NH3(g) = 3 H2(g) + N2(g) When 1.2 mol of hydrogen gas and 0.40 mol of nitrogen gas are...