At a specific temperature, 1.00 mol of PCI3 (9) and 2.00 mol of Cl2 (9) w placed in a 3.00-L container. When equilibrium was established, only 0.7 mol of PCI3 remained. Determine the value of the equilibrium constant for reaction PCI3 + Cl2 PCIS (9) Sale Initial Produced Used up Equilibriu

34.

Consider the equilibrium system described by the chemical reaction below, which has a value of Kc equal to 1.2 x 104 at a certain temperature. If a solid sample of NH.SH decomposes, what will the equilibrium concentration of NH3 be? NH:SH(s) = NH3(g) + H2S(g) 1 2 3 NEXT > Based on the given values, set up ICE table in order to determine the unknown. NH.SH(s) NH:(g) H2S(g) Initial (M) Change (M) Equilibrium (M) RESET 1.2 x 104 +x +2x -2x 1.2 x 104 + x 1.2 x 104 - x 1.2 x 104 + 2x 1.2 x 104- 2x

3) ICE tables- equilibrium concentration/mass Consider the following reaction: CuS(s) + O₂(g) Cu(s) + SO₂(g) A reaction mixture initially contains 1.9 M O₂ and 234g of CuS(s). Determine the equilibrium concentration of O₂ if Kc for the reaction is 1.5. How many grams of Cu(s) are present at equilibrium if the volume of the container is 0.50 L? (0₂leg M mCur 9

O KINETICS AND EQUILIBRIUM Calculating an equilibrium constant from a partial equilibrium... 0/5 Ammonia will decompose into nitrogen and hydrogen at high temperature. An industrial chemist studying this reaction fills a 75.0 L tank with 21. mol of ammonia gas, and when the mixture has come to equilibrium measures the amount of hydrogen gas to be 6.3 mol. Calculate the concentration equilibrium constant for the decomposition of ammonia at the final temperature of the mixture. Round your answer to 2 significant digits. K = 0 II

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

Consider the equilibrium system described by the chemical reaction below, which has a value of Kc equal to 1.79 at a certain temperature. If a reaction mixture initially contains 0.050 M H2S and 0.050 M SO2, what will the equilibrium concentration of H2O be? 2 H2S(g) + SO2(g)=3 S(s) + 2 H20(g) 1 NEXT > Based on the given values, set up ICE table in order to determine the unknown. 2 H2S(g) SO2(g) 3 S(s) 2 H20(g) + + Initial (M) |Change | (M) Equilibrium | (M) 5 RESET 0.050 +x +2x +3x -x -2x -3x 0.050 + x 0.050 + 2x 0.050 + 3x 0.050 - x 0.050 - 2x 0.050 -3x 0.025 + x 0.025 + 2x 0.025 + 3x 0.025 - x 0.025 - 2x 0.025 -3x

A 6.00 mol sample of solid A was placed in a sealed 1.00 L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.40 M, where it remained constant.   A(s)↽−−⇀B(g)+C(g) Then, the container volume was doubled and equilibrium was re‑established. How many moles of A remain? Dont

When a reaction's reaction quotient is smaller than its equilibrium constant, what does this indicate about the reaction's equilibrium? The reaction must proceed in the reverse direction to return to equilibrium. The reaction is at equilibrium and will not change. O The reaction must proceed in the forward direction to return to equilibrium. O Nothing. There is no relationship between the reaction quotient and equilibrium constant.

Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. An industrial chemist studying this reaction fills a 125. L tank with 11. mol of sulfur dioxide gas and 35. mol of oxygen gas, and when the mixture has come to equilibrium measures the amount of sulfur trioxide gas to be 7.7 mol. Calculate the concentration equilibrium constant for the reaction of sulfur dioxide and oxygen at the final temperature of the mixture. Round your answer to 2 significant digits. K. = |