• Part B Now consider the reaction A + 2B C for which in the initial mixture Q. = 387 %3D Is the reaction at equilibrium? If not, in which direction will it proceed to reach equilibrium? > View Available Hint(s) O Thereaction is already at equilibrium. The reaction will proceed in reverse to form reactants The reaction will proceed forward to form products Submit

• Part B Now consider the reaction A + 2B C for which in the initial mixture Q. = 387 %3D Is the reaction at equilibrium? If not, in which direction will it proceed to reach equilibrium? > View Available Hint(s) O Thereaction is already at equilibrium. The reaction will proceed in reverse to form reactants The reaction will proceed forward to form products Submit

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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tab caps lock esc For the reaction N₂O₂(g) 2NO₂(g) Kc = 4.66 x 103 at 25 °C . 2.50 g N₂O, and 0.130 g NO, are introduced into a 2.00-L reaction 2 vessel. After equilibrium is achieved, what is the concentration of NO₂? ! 1 F1 Q A 2 W S #3 20 F3 E D $ 4 F4 R F 65⁰ % F5 Question 21 of 21 T MacBook Air G
At a certain temperature, the reaction: PCl5(g) ⇆ PCl3(g) + Cl2(g) has an equilibrium constant Kc = 6.7E-6. Calculate the equilibrium concentration of PCl3 if only PCl5 is present initially at a concentration of 0.30 M. Your answer should have two significant figures.
Consider the following system at equilibrium where AH 2NOBr(g) 2NO(g) + Br₂ (9) O increases O decreases O remains the same The value of Qc O is greater than Ke is equal to Ke O is less than Ke If the VOLUME on the equilibrium system is suddenly increased at constant temperature: The value of Ke The reaction must O run in the forward direction to reestablish equilibrium. O run in the reverse direction to reestablish equilibrium. O remain the same. It is already at equilibrium. = The number of moles of Br₂ will O increase O decrease O remain the same 16.1 kJ, and K = 6.50 × 10-³, at 298 K: -3
At a certain temperature, the reaction: PCl5(g) ⇆ PCl3(g) + Cl2(g) has an equilibrium constant Kc = 6.7E-6. Calculate the equilibrium concentration of PCl3 if only PCl5 is present initially at a concentration of 0.30 M. Your answer should have two significant figures.
0.400 + x Predict the equilibrium concentration of IBr in the reaction described below (for which Kc = 280 at the reaction temperature) by constructing an ICE table, writing an equilibrium expression for Kc, and solving for the equilibrium concentration. Complete Parts 1-3 before submitting your answer. ₂(g) + Br₂(g) 2 lBr(g) NEXT > In a 3.0 L container at high temperature, 0.400 mol of IBr is allowed to reach equilibrium. Fill in the ICE table with the appropriate value for each involved species to determine the partial pressures of all reactants and products. Where applicable, use the x variables to represent any unknown change in concentration. Initial (M) Change (M) Equilibrium (M) 0 0.400 + 2x 1 0.400 0.400- x 1₂(g) 0.133 0.400 - 2x 2 + Br₂(g) = +x 3 0.133 + x +2x 0.133 + 2x 2 IBr(g) -X 0.133 - x ORESET -2x 0.133 - 2x
Consider the reaction, 2AB2(g) = A2(g) + 2B2(g), Kc = 0.263 at 25°C. The reaction begins with an unknown concentration of AB2 in the reaction flask. At equilibrium, the concentration of AB2 is found to be 0.00545 M. a) Complete the ICEE table below, b) Write the equilibrium expression and equation for this reaction (pay close attention to coefficients!), c) Calculate the equilibrium concentration of both products, and d) Calculate the initial concentration of AB2. You should confirm that your equilibrium concentrations will give the correct equilibrium constant when plugged into the expression. ICEE table I C E 2 AB₂(g) A₂(g) + 2 B₂(g)
For the reaction 3 O2(g) 2 O3(g) The equilibrium constant, K, has the value 1.12 10-54 at a particular temperature. (b) If the equilibrium mixture is analyzed and [O2(g)] is found to be 3.71 10-2 M, what is the concentration of O3(g) in the mixture? M
NA van wwwwwwww 1. For the reaction, 2 NO (g) + 2 H₂ (g) = following equilibrium concentrations: [NO]= 8.1 x 10-³ M [N2] = 0.053 M N₂ (g) + 2 H₂O (g), calculate Keq given the [H₂] = 4.1 x 10-5 M [H₂O]= 2.9 x 10-³ M 2. Given the reaction, UO2 (g) + 4 HF (g) = UF4 (g) + 2 H₂O (g), predict the effect each of the following will have on the equilibrium of the reaction (shift to the reactant side, the product side, or no shift). a. Uranium dioxide (UO2) is added. c. Water vapor is removed. b. Hydrogen fluoride (HF) reacts with the walls of the reaction vessel. - 3. At a certain temperature, Keq = 150 for the reaction being studied in today's lab. Use Equation (3) to calculate the concentrations of Fe³+ and SCN in a solution that has an equilibrium FeSCN2+ concentration of 4.5 x 105 M. Assume the equilibrium concentrations of Fe³+ and SCN are equal.