The following pictures represent mixtures that contain A atoms (red), B atoms (blue), AB molecules, and B₂ molecules. Given the reaction below, if mixture 1 is at equilibrium, which of the other mixtures are also at equilibrium? A+B₁₂ AB+B a. 2 2 b. 3 c. 4 d. 2 and 4 e. 3 and 4 (1) (2) (3) (4)

QUESTION 15 The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. H2(g) + Br2(g) → 2 HBr(g) Kc =3.8 x 104 HBr(g) 1/2 H2(g) + 1/2 Br2(g) Kc = ? OA. 1.6 x 103 B. 1.9 x 104 OC.2.6 x 10-5 OD. 6.4 x 10-4 OE.5.1 x 10-3

2C2H2(g) + 5O2(g)  4CO2(g) + 2H2O(g) You have 0.4 moles C2H2 and 0.2 moles O2 present initially in a 5L flask. You allow the reaction to run until it reaches equilibrium. Which of the following is the correct ICE table for this process?   Question 5 options:   Conc. C2H4 O2 CO2  H2O   Initial 0.4  0.2  0  0   Change  -x -x  +x  +x   Equil.  0.4-x 0.2-x  x  x    Conc. C2H4 O2 CO2  H2O   Initial 0.08  0.04 0  0   Change  -2x -5x  +4x  +2x   Equil.  0.08-2x 0.04-5x  4x  2x    Conc. C2H4 O2 CO2  H2O   Initial 0.4  0.2  0  0   Change  -2x -5x  +4x  +2x   Equil.  0.4-2x 0.2-5x  4x  2x    Conc. C2H4 O2 CO2  H2O   Initial 0.08 0.04 0  0   Change  -20x -20x  +20x  +20x   Equil.  0.08-20x 0.04-20x  20x  20x

Consider the reaction below.  2.51 mol of A and 6.30 mol of B are added to a 2.0 L container.  At equilibrium, the concentration of A is 1.00 M.  What is the value of the equilibrium constant?    2 A + 3 B  ↔ 5 C

1.

A 100-ml reaction vessel initially contains 2.60 x 102 mol of NO and 130 x 102 mol of H₂ At equilibrium, the concentration of NO in the vessel is 0.161 M. At equilibrium the vessel also contains N₂, H₂O, and H₂ The balanced equation for the reaction is given below. 2H₂(g) + 2NO(g): 2H₂O(g) + N₂(g) 3rd attempt Part 1 Determine the equilibrium concentration of H₂ M 15 Part 2 Determine the equilibrium concentration of NO. M Jl See Periodic Table

need a guided answer

The Kc for the following reaction is 56.2 at 305°C.      A2(g) + B2(g)  2 C(g) If a reaction is initiated with 2.4 M of each substance, what is the equilibrium concentration of C? a. 0.76 M b. 5.7 M c. 4.3 M d. 1.2 M e. 2.4 M

Question 7 1 pts Reactant A undergoes a chemical reaction and begins to form Product B. Use the following image to answer the question below: 100 [A] 80 [B] 60 40 20 1 time /s link to image source]e What is Reactant A's approximate concentration (%) when it achieves equilibrium? O 50 O 70 O 100 O 30 1 pts D. % concentration