Dinitrogen tetroxide, N2O4, is a colorless gas, which dissociates to give nitrogen dioxide, NO2, a reddish-brown gas. N204(g) 2NO2(g) a) 0.0300 mol N204 are placed in a 1.00-L flask at 25.0°C. After equilibrium is established, 0.0375 mol NO2 are present in the flask. Calculate the value of Kat 25.0°C. b) After equilibrium was attained in part a), the volume of the flask is changed so that the equilibrium pressure of N2O4 is doubled. What is the new volume of the flask?

When 7.121 x 10-1 mol of NH3 and 7.121 x 10-1 mol of O2 are introduced into a 2.305 L reaction vessel at a certain temperature a chemist finds that at equilibrium the N2 concentration is 1.003 x 10-1 M: 4NH3(g) + 3O2(g) <==> 2N2(g) + 6H2O (g) What is the value of Kc for this reaction ?

A.) The equilibrium constant, K, for the following reaction is 2.90×10-2 at 1.15×103 K.2SO3(g) 2SO2(g) + O2(g)If an equilibrium mixture of the three gases in a 16.3 L container at 1.15×103 K contains 0.431 mol of SO3(g) and 0.309 mol of SO2, the equilibrium concentration of O2 is ______________________ M. ( fill in the blank )     B.) The equilibrium constant, K, for the following reaction is 6.50×10-3 at 298 K.2NOBr(g) 2NO(g) + Br2(g)If an equilibrium mixture of the three gases in a 19.7 L container at 298 K contains 0.433 mol of NOBr(g) and 0.500 mol of NO, the equilibrium concentration of Br2 is_______________________  M. ( fill in the blank)

For the following reaction at a certain temperature, 1.57 mol H2 and 1.56 mol l2 are placed into a 2.05 L flask. At equilibrium, 2.70 mol of HI has been formed. Calculate Kc. H2(g) + 12(g) = 2 HI(g)

Sulfuryl chloride, SO2Cl2 , is a compound with very irritating vapors; it is used as a reagent in the synthesis of organic compounds. When heated to a sufficiently high temperature, it decomposes to SO2 and Cl2 .   An 1.00-L flask containing 4.93 g of SO2Cl2 is heated to 375 °C. What is the concentration of SO2Cl2 in the system when equilibrium is achieved?

The following reaction is important in the production of sulfuric acid. 2SO2(g) + O2(g) 2SO3(g) At 627 °C, 0.0291 mol SO2, and 0.0148 mol O₂ are sealed in a 1.50 L reaction vessel. When equilibrium is reached at the temperature of 725 °C, the concentration of SO3 is determined to be 0.0175 M. What is the value of Ke for the reaction? Calculate the Kp for the reaction at 725 °C. (17 pts.)

Consider the following reaction: 2NH3(g) N₂(g) + 3H₂(g) If 5.40x10-4 moles of NH3(g), 0.450 moles of N₂, and 0.215 moles of H₂ are at equilibrium in a 15.1 L container at 846 K, the value of the equilibrium constant, K, is

7) Phosgene, COC12, is an extremely toxic gas. It was used during World War I. Today it is used to manufacture pesticides, pharmaceuticals, dyes, and polymers. It is prepared by mixing carbon monoxide and chlorine gas. 0.055 mol of CO(g) and 0.072 mol of C12(g) are placed in a 5.0 L container. At 870 K, the equilibrium constant is 0.20. What are the equilibrium concentrations of the mixture at 870 K?