2. Consider a closed vessel containing a mixture of ideal gases A and B thatundergo the chemical reaction:A=bB,where b is an unknown stoichiometric coefficient. The equilibrium mole fractionxд is measured but xB is unknown.The equilibrium mole fraction xд increases when the temperature in the vesselis increased with the pressure held constant and Ꮖ Ꭺdecreases when the pressurein vessel is increased with the temperature held constant.Explain these observations in terms of inequalities involving the enthalpy ofreaction AH and the stoichiometric coefficient b in Eq. (7).

To explain the observations in terms of inequalities involving the enthalpy of the reaction (ΔH) and…

Answered: 2. Consider a closed vessel containing…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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In the gas phase reaction 2 A(g) + B(g) 3 C (g) + 2 D (g), it was found that when 1.00 mol A, 2.00 mol B and 1.00 mol D were mixed and allowed to come to equilibrium at 25°C, the resulting mixture contained 0.9 mol C at a total pressure of 1.00 bar. Calculate the mole fractions of each species , Kx is , Kp is and A GO is
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Consider the following reaction that has a Kc = 2.4 x 10^-3 at 1000K: N2(g) + 3 H2(g) = 2NH3(g) in a reaction vessel that is 5.0 x 10^3 L, 250 moles of N2, 250 mol of H2, and 50.0 mol of NH3 are mixed. write the reaction quotient. Calculate Qc.
Gaseous octane (C8H18) is burned with dry air in a combustor to produce an equilibrium mixture of H2O(g), CO2, O2, N2, H2, OH, CO, and NO at 1400 K and 20 atm. Calculate the equilibrium composition (number of moles or mole fractions) for fuel-air equivalence ratios of 0.6 and 1.4.
For the following reaction: A(g) + B(g) = 2 C(a) Calculate the magnitude of K, (don't report the units) assuming the following composition at equilibrium: PA = 0.438 bar PB = 0.716 bar Pc = 0.122 bar
Consider the gas-phase reaction for the synthesis of methanol from CO(g) and H₂(g) CO(g) + 2 H₂(0)=CH₂OH(g) The value of the equilibrium constant Kp at 495 K is 1.42 x 10-2. Initially equimolar amounts of CO(g) and H₂(g) are introduced into the reaction vessel. Determine the value of Sea/no at equilibrium at 495 K and 29 bar. X
At 25 °C, the equilibrium partial pressures for the reaction 2 A(g) + 4B(g) = 2C(g) + D(g) were found to be P = 4.62 bar, P = 4.70 bar, Pe=5.81 bar, and Pp = 5.90 bar. What is the standard change in Gibbs free energy of this reaction at 25 C? AG kJ/mol
For the following reaction: A(g) + 3 B(g) magnitude of Kp (don't report the units) assuming the following composition at equilibrium: PA = 0.735 bar PB = 0.603 bar Pc = 0.627 bar PD 0.87 bar = 2 C(g) + D(g) Calculate the =
As you are walking across your laboratory, you notice a 5.25 L flask containing a gaseous mixture of 0.0205 mole NO2 (9) and 0.750 mol N2O4 (q) at 25°C. 4 (g) Is this mixture at equilibrium? If not, will the reaction proceed towards forming more products, or more reactants? N2O4 4 (9) → 2NO2 (9) Ko = 4.61 x 103 at 25°C
Consider the following reaction where K, = 9.52×10-2 at 350 K: %3D CH4(g) + CC14(g) 2CH2C1½(g) If the three gases are mixed in a rigid container at 350 K so that the partial pressure of each gas is initially one atm, what will happen? Indicate True (T) or False (F) for each of the following: • 1. A reaction will occur in which CH,Cl2(g) is consumed. v 2. K, will increase. • 3. A reaction will occur in which CH, is consumed. • 4. Q is less than K. v 5. The reaction is at equilibrium. No further reaction will occur.
Consider the reaction: Nio (s) + CO (9) = Ni (s) + CO2 (g) K. =4000.0 at 1500 K When calculating the answer, do not round to the appropriate number of significant figures until the last calculation step.
Calculate the reaction quotient, Qr for the following reactions and conditions: 7. 2 SO3(g) 2 SO2(g) + O2(g) 16.5; Pso3 = 0.45 atm; Pso2 = 1.52 atm; : Кр- %3D Po2 = 0.210 atm 8. 2 NO(g) + Cl2(g) → 2 NOCI(g) : Кр- 2.5 x 103; PNo = 0.0032 atm; Pc12 = 0.023 atm; PNOCI = 0.210 atm 9.2 NH3(g) N2(g) + 3H2(g) : Кр- 17.0; PNH3 = 0.13 atm; PN2 = 0.34 atm; |3D PH2 = 1.1 atm %3D 10. Will the system in Question 7 proceed to reactants or products for the conditions given? 11. Will the system in Question 8 proceed to reactants or products for the conditions given? 12. Will the system in Question 9 proceed to reactants or products for the conditions given? 13. For the chemical reaction in Question 7, if it is at equilibrium which direction will it shift if SO2 is added? 14. For the chemical reaction in Question 8, if it is at equilibrium which direction will it shift if NO is removed? 15. For the chemical reaction in Question 9, if it is at equilibrium, which direction will if shift if all the…

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