The equilibrium constant is 0.15 at a certain temperature for the reaction: SiH4 (g) + 2 Cl2 (g) --> SiCl4 (g) + 2 H2 (g) Predict the direction in which the system will shift to reach equilibrium given the following initial concentrations: [SiH4] = 0.022 M; [Cl2] = 0.0061 M; [SiCl4] = 4.2×10-4 M; [H2] = 3.3×10-4 M Q= [SiCl4] [H2] 2 / [SiH4] [Cl2] 2   What is the value of Q for this reaction?

A chemical engineer is studying the following reaction: 2 NO(g)+2H,(g) – N(a)+2H,0(g) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.17. The engineer charges ("fills") four reaction vessels with nitrogen monoxide and hydrogen, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. db Predict the changes in the compositions the engineer should expect next time she measures the compositions. Ar reaction vessel compound pressure expected change in pressure NO 7.34 atm Ot increase OI decrease O (no change) H, 1.96 atm O f increase OI decrease O (no change) N 1.66 atm O t increase OI decrease O (no change) H,0 10.20 atm O f increase OI decrease O (no change) NO 9.18 atm O t increase OI decrease O (no change) H. 3.80 atm O f increase OI decrease O (no change) B N, 0.74 atm O f increase OI decrease O (no change) HO 8.36 atm O f…

A chemical engineer is studying the following reaction: 2 NO(g)+2H,(9) - N2(9)+2H,0(g) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 2.0. The engineer charges ("fills") four reaction vessels with nitrogen monoxide and hydrogen, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction compound pressure expected change in pressure vessel ΝΟ 6.78 atm O f increase Ot decrease O (no change) H, 2.93 atm ↑ increase OI decrease O (no change) A N2 5.23 atm f increase I decrease (no change) H, O 7.24 atm t increase I decrease (no change) NO 5.29 atm f increase I decrease (no change) H, 1.44 atm f increase OI decrease (no change) В N2 5.98 atm increase I decrease (no change) H, O 8.73 atm f increase O I decrease O (no change)…

A chemical engineer is studying the following reaction: HCH3CO2(aq)+CH3NH2(aq) → CH3CO2(aq) + CH3NH3(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.54. The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time she measures the compositions. reaction vessel compound concentration expected change in concentration HCH,CO₂ 1.01 M O↑ increase CH3NH2 1.22 M O decrease O↑ increase O decrease O (no change) O (no change) A CH,CO, 0.64 M O↑ increase O decrease O (no change) CH, NH3 1.04 M O ↑ increase O decrease O (no change) HCH CO₂ 0.33 M O↑ increase O decrease O(no change) CHÍNH, 0.50 M O↑ increase O decrease O (no change) B CH,CO, 1.01 M O increase O decrease O (no…

A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 CH₂(g) C₂H₂(g) + 3H₂(g) K₂=2.x10-5 P He fills a reaction vessel at this temperature with 15. atm of methane gas. Use this data to answer the questions in the table below. Can you predict the equilibrium pressure of C₂H₂, using only the tools available to you within ALEKS? If you said yes, then enter the equilibrium pressure of C₂H₂ at right. Round your answer to 1 significant digit. yes no atm ☐ x10 X ?

At a certain temperature, the equilibrium constant K for the following reaction is 0.0096 : N,(8) + O,(g) – 2 NO(g) Use this information to complete the following table. Suppose a 13. L reaction vessel is filled with 0.89 mol of NO. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little N2 and 02. There will be very little NO. ? O Neither of the above is true. What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 0 2 NO(9) N,(9)+0,(9) 1, What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 0 2 N3(9)+20,(9) 4 NO(9) 1.

A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 CH4 (g) 3H₂(g) + C₂H₂ (g) K₂=9. × 10-10 He fills a reaction vessel at this temperature with 5.0 atm of methane gas. Use this data to answer the questions in the table below. Can you predict the equilibrium pressure of H₂, using only the tools available to you within ALEKS? If you said yes, then enter the equilibrium pressure of H₂ at right. Round your answer to 1 significant digit. yes no atm X S ?

Write the expression for the equilibrium constant K, for the following reaction. Enclose pressures in parentheses and do NOT write the chemical formula as a subscript. For example, enter (PNH, as (P NH3)?. If either the numerator or denominator is 1, please enter 1 2 Pb304(s) +→ 6 PbO(s) + O2(g) K =

A chemical engineer is studying the following reaction: 2 H₂S(g)+30₂(g) → 2 SO₂(g) +2H₂O(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 5.0. The engineer charges ("fills") four reaction vessels with hydrogen sulfide and oxygen, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B compound H₂S 0₂ SO2 H₂O H₂S 0₂ SO₂ H₂O H₂S 02 SO₂ H₂O pressure 9.08 atm 1.44 atm 10.07 atm 8.80 atm 8.96 atm 1.26 atm 10.19 atm 8.92 atm 10.40 atm 3.42 atm 8.75 atm 7.48 atm expected change in pressure ↑ increase O decrease ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase O decrease ↑ increase decrease O decrease ↑ increase O decrease ↓ decrease O decrease ↓ decrease O…