Hydrogen and iodine gas react to form hydrogen iodide: H2(g) + I2(g) ⇌ 2Hl(g)            Kc=54.4 A reaction vessel is set up with 0.15 M H2 and 0.25 M I2. a.) Calculate the equilibrium concentration of HI. b.) Do you expect the equilibrium concentrations to change if the reaction container volume decreases, which increases the pressure? Explain your reasoning using one complete sentence.

Suppose a 500. mL flask is filled with 1.2 mol of CO, 2.0 mol of H,0 and 0.90 mol of CO,. The following reaction becomes possible: Co(2) + H,0(g) – Co,(3) +H,(g) The equilibrium constant K for this reaction is 0.545 at the temperature of the flask. Calculate the equilibrium molarity of H,0. Round your answer to two decimal places.

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Suppose a 500. mL flask is filled with 0.80 mol of NO, and 1.7 mol of NO. The following reaction becomes possible: NO, (g)+NO (g)2NO, (g) The equilibrium constant K for this reaction is 5.51 at the temperature of the flask. Calculate the equilibrium molarity of NO,. Round your answer to two decimal places. | M ?

Suppose a 500. mL flask is filled with 0.70 mol of CO, 1.7 mol of NO and 1.0 mol of CO,. The following reaction becomes possible: NO, (g) +CO(g)- NO(g) +CO, (g) The equilibrium constant K for this reaction is 5.97 at the temperature of the flask. Calculate the equilibrium molarity of CO. Round your answer to two decimal places. IM Continue MacBook Air

HBr=.....M

A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 CH₂(g)3H₂(g) + C₂H₂ (g) K₂=6. x 108 He fills a reaction vessel at this temperature with 11. 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 at atm x10 X

Suppose a 500. mL flask is filled with 0.70 mol of Cl,, 1.4 mol of CHCI, and 0.50 mol of CCl,. The following reaction becomes possible: 3 Cl,(g)+ CHC1,(g) – HC1 (g)+ CCl,(g) 4 The equilibrium constant K for this reaction is 1.78 at the temperature of the flask. Calculate the equilibrium molarity of HCl. Round your answer to two decimal places. ||M

N2(g) +3H2(g) 2NH3 (g) what is the value of K. at 500 °C if the equilibrium concentrations are as follows: H2 = 0.50 M , N2] = 0.60 M , and [NH3] = 2.2 M ? Express the equilibrium constant to two significant figures. ? Ke =