The equilibrium constant k_e for the reaction C_6 H_5 COOH (aq) C_6 H_5 COO (aq) +...
The equilibrium constant for the reaction CH, COOH + H+ + CH, COO is 0.12 at 500 °C. Calculate the equilibrium compositions of each species if 0.84 g of CH, COOH is dissolved in 100 mL of water. Select one: a. [CH2COOH)eg = 0.057, [H+]eg = 0.083, [CH2COO-leg = 0.083 O b. [CH2COOH)eq = 0.021, [H+)eq = 0.083, [CH,COO-Jeq = 0.083 O C. [CH2COOH) , = 0.045, [H+]eg = 0.101, [CH,COO-lea = 0.101 O d. [CH2COOH)., = 0.124, [H+)ec =...
Consider the following reaction mechanism: step 1: 2 NO_2 rightarrow NO + NO_3 step 2: NO_3 + CO rightarrow NO_2 + CO_2 What intermediate is involved in this mechanism? NO_2 NO NO_3 CO CO_2 Consider the reaction given below: 2 A(g) + 3 B(g) 2 C(g) delta H = 12.5 kJ/mol K_p = 10.0 If a reaction mixture has the following partial pressures: P_A = 1.0 atm P_B = 2.0 atm P_C = 2.0 atm which of the following statements...
The following reaction was allowed to come to equilibrium at 35 degree C. The initial molar concentration for SO_3 is 0.675 M ([SO_3| = 0.675 M) and the initial molar concentration for CO_2 is 0.444 M (|CO_2] = 0.444 M). After the reaction reached equilibrium the concentration of CO_2 now equals 0.214 M ((CO_2] = 0.214 M). What is the K_c value for the reaction? 0.00987 0.0342 7.31 11.8 16.7 At 35 degree C the equilibrium constant value (K_c) for...
Write the equilibrium constant expression for this reaction: C,H2(aq)+2 OH (aq) — 2CH,COO (aq)+C,H,02(aq) x s ?
An aqueous reaction at 350 K has an equilibrium constant (K_c) of 2.65 times 10^-6. What is the delta G degree of the reaction at 350 K?
At 400 K, an equilibrium mixture of H_2, I_2, and HI consists of 0.068 mol H_2, 0.075 mol I_2, and 0.13 mol HI in a1.00-L flask. What is the value of K_p, for the flowing equilibrium? (R = 0.0821 L middot atm (K - mol)) 2HI_(g) Rightwardsharpoonoverleftwardsharpoon H_2 (g) + I_2 (g) A) 0.039 B) 3.4 C) 26 D) 0.29 E) 8.2 If K = 0.150 for A_2 + 2B Rightwardsharpoonoverleftwardsharpoon 2AB, what is the value of K for the...
Predict the direction in which the equilibrium will lie for the following reaction: C_6H_5COO^- + HF C_6H_5COOH + F^- K_a (C_6H_5 COOH) = 6.5 Times 10^ - 5; K_a (HF) = 7.1 Times 10^ - 4 Which of the following yields a basic solution when dissolved in water? NH_3, Na_2O LiOH CO_2 1 and II 1 and III 1, III, and IV 1, II, and III 1, II, III, and IV Calculate the pH of a 6.7 Times 10^-2 M...
For the following equilibrium: N_2(g) + H_2(g) rightarrow NH_3(g) delta H= -386 kJ/mole Predict the direction the equilibrium will shift if: N_2 is added? H_2 is removed? NH_3 is added? NH_3 is removed? the volume of the container is decreased? the pressure is increased by adding Argon gas? the reaction is cooled? equal number of moles of H_2 and NH_3 are added? a catalyst is added The equilibrium constant for the following reaction is 5.0 at 400 degree C. CO_(g)...
An decrease in temperature increases the reaction rate because temperature affects the equilibrium constant of the reaction a smaller fraction of the collisions have the correct orientation of molecules. the activation energy of the reaction will decrease. less collisions will have enough energy to exceed the activation energy. the activation energy of the reaction will increase. The equilibrium constant, K_p, for the reaction H_2(g) + I_2(g) doubleheadarrow 2HI(g) is 10.0 at 450 degree C. A rigid cylinder at that temperature...
a. Using the initial concentration of CH,COOH (from Problem 3) and the equilibrium concentration of H,0 calculated (from Problem 4), complete the reaction table for vinegar. Ignore the column under H:O() (shaded in gray). Don't forget to write a sign (+ or -) for the "Change” row entry. (9 pts: each entry is 1 pt.) Reaction Table CH.COOH (aq) + H20(0) CH,COO (aq) + H2O (ag) Initial Change Equilibrium b. By using the concentration values at equilibrium in the reaction...