Consider the following reaction where Kc = 7.00×10-5 at 673 K. NH4I(s) ------- NH3(g) + HI(g) A reaction mixture was found to contain 5.63×10-2 moles of NH4I(s), 5.31×10-3 moles of NH3(g), and 8.37×10-3 moles of HI(g), in a 1.00 liter container. Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? The reaction quotient, Qc, equals  ______ . The reaction: _______ A. must run in the forward direction to reach equilibrium. B. must run in the reverse direction to reach equilibrium. C. is at equilibrium.

Part A The equilibrium constant, Kc, for the decomposition of COC2 to CO and Cl2 is 0.68. If an equilibrium mixture contains 0.38 M CÓ and 0.55 M Cl2, what is the molar concentration of COCl2 ? COC2 (g) = CO(g) + Cl2 (g) Express your answer to two significant figures and include the appropriate units.

35 Consider the equilibrium system described by the chemical reaction below, which has a value of Kc equal to 3.01 × 10³ at 900 K. If an initial mixture of 0.0216 mol SO2 and 0.0148 mol O2 reacts in a 1.0 L vessel, what will be the concentration of SO3 at equilibrium? 2 SO:(g) + O2(g)= 2 SO:(g) 1 3 NEXT Based on the given values, set up ICE table in order to determine the unknown. 2 SO:(g) O:(g) + 2 SO:(g) Initial (M) 0.0216 0.0148 Change (M) 0.0216 - 2x 0.0148 - x Equilibrium (M) 5 RESET 0.0216 0.0148 1.0 +x +2x -2x 0.0216 + x 0.0216 + 2x 0.0216 - x 0.0216 - 2x 0.0148 + x 0.0148 + 2x 0.0148 - x 0.0148 - 2x

Bromine monochloride is synthesized using the reaction. Br₂(g) + Cl₂(g) = 2 BrCl(g) Kp = 1.1 x 10-4 at 150 K A 202.0 L flask initially contains 0.965 kg of Br2 and 1.032 kg of Cl₂. Calculate the mass of BrCl, in grams, that is present in the reaction mixture at equilibrium. Assume ideal gas behavior. mass of BrCl: 13.62 percent yield: Incorrect What is the percent yield of BrCl? 86 Incorrect 0.0 g %

Consider this equilibrium reaction at 400 K. Br, (g) + Cl, (g) 2 BrCl(g) K. = 7.0 If the composition of the reaction mixture at 400 K is [BrCl] = 0.00509 M, [Br,] = 0.00173 M, and [Cl,] = 0.000318 M, what is the reaction quotient, Q? Q = How is the reaction quotient related to the equilibrium constant, Ke, for this reaction? Q = Ke Q Kc

Consider the following reaction where K. = 5.10×10-6 at 548 K. NHẠCI(s)ENH3(g) + HCl(g) A reaction mixture was found to contain 5.15x10² moles of NHCI(s), 1.56×103 moles of NH3(g), and 2.26x103 moles of HCI(g), in a 1.00 liter container. Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? The reaction quotient, Qc, equals The reaction A. must run in the forward direction to reach equilibrium. B. must run in the reverse direction to reach equilibrium. C. is at equilibrium.

Consider the following reaction: SO2Cl2 (g) SO2 (g) + Cl2 (g) A reaction mixture is made containing an initial [SO₂Cl₂] of 2.2x10-2 M. At equilibrium, [C1₂] = 1.1x10-² M. Calculate the value of the equilibrium constant (Kc). Express your answer using two significant figures. ΓΙ ΑΣΦ Kc = Submit Request Answer ?

4. For the reaction CH4(g) + 2 H2S(g) = CS2(g) + 4 H₂(g) Kc = 3.59 at 900 °C. For each of the following measured concentrations determine whether the reaction is at equilibrium. If not, in which direction will the reaction proceed to get to equilibrium? [CH] [H₂S] [CS₂] [H2] Expt 1 Expt 2 Expt 3 1.15 1.07 1.10 1.20 1.20 1.49 1.51 0.90 1.10 1.08 1.78 1.68

Part A For the reaction 3H2 (g) + N2 (g) = 2NH3 (g) at 225 °C the equilibrium contant is 1.7 × 102. If the equilibrium mixture contains 0.13 M H2 and 0.018 M N2 , what is the molar concentration of NH3 ? Express your answer to two significant figures and include the appropriate units.

■ W Chapter... G N. O LCG a Ⓒ BA H H The initial concentrations or pressures of reactants and products are given for each of the following systems. Calculate the reaction quotient and determine the direction in which each system will proceed to reach equilibrium. (The system is considered in equilibrium if K, and Q are within 5% of each other.) (a) 2 NH3(g) = N₂(g) + 3 H₂(g) [NH3] = 0.485 M, [N₂]; = 0.160 M, [H₂] = 0.110 M, K = 18 What is the reaction quotient? What direction will the reaction shift to? O To the left, i.e. the reactant-side. O To the right, i.e. the product-side. O It will not shift. (b) 2 NH3(9) N₂(g) + 3 H₂(g) What is the reaction quotient? What direction will the reaction shift to? O To the left, i.e. the reactant-side. P (NH3) = 1.90 atm, P(N₂) = 11.65 atm, P(H₂) = 11.65 atm, K = 6.6x104 O To the right, i.e. the product-side. O It will not shift. (c) 2 SO 3(g) 2 SO₂(g) + O₂(9) What is the reaction quotient? webassign.net [SO3] = 1.65 M, [SO₂), = 1.65 M, [0₂], =…