Consider the "unimolecular" isomerization of methyl isocyanide: CH3NC (g) → CH3CN (g) The Arrhenius parameters for this reaction are A = 2.5 x 1016 -¹ and E₁ 272 kJ. mol-¹. ▼ Part A Determine the Eyring parameter AH* for this reaction with T= 396 K. Express your answer to three significant figures and include the appropriate units. ΔΗ* = Submit Part B μA AS = Value Request Answer Determine the Eyring parameter AS for this reaction with T396 K. Express your answer to three significant figures and include the appropriate units. μA Units Value ? Units ?

Consider the "unimolecular" isomerization of methyl isocyanide: CH3NC (g) → CH3CN (g) The Arrhenius parameters for this reaction are A = 2.5 x 1016 -¹ and E₁ 272 kJ. mol-¹. ▼ Part A Determine the Eyring parameter AH* for this reaction with T= 396 K. Express your answer to three significant figures and include the appropriate units. ΔΗ* = Submit Part B μA AS = Value Request Answer Determine the Eyring parameter AS for this reaction with T396 K. Express your answer to three significant figures and include the appropriate units. μA Units Value ? Units ?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 102QRT

See similar textbooks

Similar questions

Gas Initial Concentration (M) H2 0.030 I2 0.015 HI ? Samples of three gases, H2(g) , I2(g) , and HI(g) , were combined in a rigid vessel. The initial concentrations of H2(g) and I2(g) are given in the table above. (a) The original value of the reaction quotient, Qc , for the reaction of H2(g) and I2(g) to form HI(g) (before any reactions take place and before equilibrium is established), was 5.56 . On the following graph, plot the points representing the initial concentrations of all three gases. Label each point with the formula of the gas. Equilibrium was established at a certain temperature according to the following chemical equation. H2(g)+I2(g)⇄2HI(g)ΔH°rxn=−9.4kJ/molrxn;Kc=49 After equilibrium was established, the concentration of H2(g) was 0.020M . (b) On the graph above, carefully draw three curves, one for each of the three gases, starting from the initial points you drew in part ( a ). The curves must show how the concentration of each of the three gases changed…
Gas Initial Concentration (M) H2 0.030 I2 0.015 HI ? Samples of three gases, H2(g) , I2(g) , and HI(g) , were combined in a rigid vessel. The initial concentrations of H2(g) and I2(g) are given in the table above. (a) The original value of the reaction quotient, Qc , for the reaction of H2(g) and I2(g) to form HI(g) (before any reactions take place and before equilibrium is established), was 5.56 . On the following graph, plot the points representing the initial concentrations of all three gases. Label each point with the formula of the gas. Equilibrium was established at a certain temperature according to the following chemical equation. H2(g)+I2(g)⇄2HI(g)ΔH°rxn=−9.4kJ/molrxn;Kc=49 After equilibrium was established, the concentration of H2(g) was 0.020M . (b) On the graph above, carefully draw three curves, one for each of the three gases, starting from the initial points you drew in part ( a ). The curves must show how the concentration of each of the three gases changed…
naction quotient Qc ,and the equi librium cons tant follo wing Write the Ke, for each the reactions. of 2CoH 8(G) +1003(9) → 6CO2G) +8H 20 (9)
For the reaction 12(g) +Br₂(g) →21Br(g) Ke=280 at 150 °C. Suppose that 0.520 mol IBr in a 2.00-L flask is allowed to reach equilibrium at 150 °C. Esc Type here to search WE in R ▼ What is the equilibrium concentration of I₂? Express your answer in moles per liter to three signifi IVE ΑΣΦ [12] = 0.012 Submit Previous Answers Request Answer * Incorrect; Try Again; 7 attempts remaining Part C What is the equilibrium concentration of Br₂? Express your answer in moles per liter to three significant figu ΕΧΕΙ ΑΣΦ Br₂ = 0.0120 Submit Previous Answers Request Answer ? 8 M
Consider the following equilibrium reaction: Baz(PO4), (s) = 3 Ba2*(aq) + 2 PO,3-(aq) Kc = 3.4 x 10-3 %D 2.00 moles of each reactant and product were placed in 5.00 L of water, mixed and allowed to reach equilibrium. a) Write the Qc expression (LMA) for this reaction. b) Calculate the value of Qc. (Show all work for full credit.) c) In which direction will this reaction proceed to establish equilibrium. Explain your answer. d) Once equilibrium is reached, it was found that the barium ions CHANGED by 0.455 mol. How many moles of each reactant and product are present at equilibrium? (BOX YOUR FINAL ANSWER.)
(Self-test 17A.1) Predict how the total pressure varies during the gas-phase reaction 2NOBr(g) → 2NO(g) + Br:(g) in a constant volume container at constant temperature. Define it in terms of a (fraction of NOBr reacted) and po (initial total pressure).
At 25 ∘C25 ∘C, the equilibrium partial pressures for the reaction 3A(g)+3B(g)↽−−⇀C(g)+3D(g)3A(g)+3B(g)↽−−⇀C(g)+3D(g) were found to be ?A=4.38PA=4.38 atm, ?B=4.26PB=4.26 atm, ?C=4.32PC=4.32 atm, and ?D=4.83PD=4.83 atm. What is the standard change in Gibbs free energy of this reaction at 25 ∘C25 ∘C?
Express the equilibrium constant of a gas-phase reaction A + 3 B ⇋ 2 C in terms of the equilibrium value of the extent of reaction, ξ, given that initially A and B were present in stoichiometric proportions. Find an expression for ξ as a function of the total pressure, p, of the reaction mixture and sketch a graph of the expression obtained.
a sealed one liter reaction vessel was loaded with 0.245mol n2o and 0.574 mol o2. the system (represented by the balanced chemical equation) was allowed to reach equilibrium. where the concentration of no2 was measured to be 0.194M. 2N2O(g)+3O2(g)=4NO2. Determine the equilibrium constant (Kc) for the reaction under these conditions.
10:08 PM Mon Jul 3 ( ) (1) (g) 4 5 6 7 8 90 ㅈ 14 19% (aq) Submit X
25. Professor Schwartz runs the same reaction given in problem 23, but starts from different initial concentrations of the reactants and products. He places 1.0 mol of NH3, 1.0 mol of N2, and 2.0 mol of H₂ and in a sealed 1.0 L container at T = 740 K. What is the initial value of the reaction quotient in Professor Schwartz' experiment? (A) Qc = 0.125 (B) Qc = 0.50 (C) Qc = 1.0 (D) Qc = 2.0 (E) Qc = 10.0
3. The vapor-liquid reactive equilibria for ethyl lactate synthesis follows the expression log K = 7.893 – (2.4312 x 10³)K/T between 83.12 °C and 101.54 °C. What are the AH°rxn, AG°rxn, and ASºrn at 85 °C? Ind. Eng. Chem. Res. 2008, 47, 5, 1453–1463