X2 <----------> 2X Kc = 5.6
number of X2 = 5 moles
number of X = 6 moles
Qc = [X]^2/[X2]
= (6)^2/5
= 7.2
Qc>Kc the equilibrium shift to left side ( reactant side)
B.Qc>Kc the reverse reaction will predominate until equilibrium is restored >>>>answer
15. What will happen to the reaction mixture depicted below? X2 = 2x Kc = 5.6...
At 445°C, Kc for the following reaction is 0.020. 2 HI(g) <->H, (g) +1, (g) A mixture of H2, I2, and Hl in a vessel at 445°C has the following concentrations: [HI] = 1.5 M, [H2) = 2.50 M and [12] = 0.05 M. Which one of the following statements concerning the reaction quotient, Qc, is TRUE for the above system? a. Qc = Kc; the system is at equilibrium. b. Qc is less than Kc; more H2 and 12...
B) Based on a Kc value of 0.220 and the given data table, what are the equilibrium concentrations of XY, X, and Y, respectively? Express the molar concentrations numerically. C) Based on a Kc value of 0.220 and the data table given, what are the equilibrium concentrations of XY, X, and Y, respectively? Express the molar concentrations numerically. o determine equilibrium concentrations from in Calculating equilibrium concentrations when the net reaction proceeds forward conditions The reversible reaction has a reaction...
Consider the following reaction where Kc = 154 at 298 K. 2NO(g) + Br2(g) 2NOBr(g) A reaction mixture was found to contain 4.44×10-2 moles of NO(g), 3.68×10-2 moles of Br2(g) and 7.92×10-2 moles of NOBr(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...
Hydrogen sulfide dissociates according to the following equation: In a mixture of the three gases at 25 oC, the concentrations (not at equilibrium) were found to be [H2] = 0.0026 M, [S2] = 0.0013 M and [H2S] = 0.0077 M a) What is the value of the reaction quotient, Qc, of the mixture b) Given that Kc = 2.3 x 10-4 at 25 oC is the system at equilibrium? c) If not, will the reaction proceed in the forward direction or will the reaction...
Consider the following reaction where Kc = 10.5 at 350 K: 2CH2Cl2(g) <=> CH4(g) + CCl4(g) A reaction mixture was found to contain 1.13×10-2 moles of CH2Cl2(g), 2.50×10-2moles of CH4(g) , and 4.11×10-2 moles of CCl4(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 = ____________ The reaction: ________ A. must run in the forward direction to reach equilibrium B. must run...
pe quests Consider the following reaction where Kc = 83.3 at 500K pl pl pt PC13(g) + Cl (8) =PC15(8) A reaction mixture was found to contain 4.62x102 moles of PC13(8), 4.49x10? moles of Cly() and 0.140 moles of PC13(e), in a 1.00 liter container Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? pl pt The reaction quotient, Qc quals pl pt The reaction A. must run in the forward direction...
Consider the following reaction where K. = 6.30 at 723 K. 2NH3(B) = N2(g) + 3H2() A reaction mixture was found to contain 5.30*10* moles of NH3(g), 4.55*10moles of N2(8), and 3.67x10-2 moles of H2(e), 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...
The equilibrium constant Kc for the reaction below is is 5.155×10-5 . C <--> D + E The initial composition of the reaction mixture is [C] = [D] = [E] = 1.1110×10-3 M. What is the equallibrium concentrations of each of the species in the reaction?
the equilibrium constant Kc for the reaction below is is 5.877×10-5 . c->d+e The initial composition of the reaction mixture is [C] = [D] = [E] = 1.995×10-3 M. What is the equilibrium concentration of C?
11.An aqueous solution of NH4NO3 would be: Select one: a. neutral b. impossible to tell c. acidic d. basic 12.A given reaction has a Kc value of is 6.25 x 10-4. Select the BEST option below: At the same conditions Qc is found to be 6.25 x 10-3 . Select one: a. the system is at equilibrium b. products are favoured, the reaction proceeds right c. reactants are favoured, the reaction proceeds left d. it is impossible to determine which...