5. 0.150mol of nitrogen dioxide is placed into a sealed 1.0L flask and allowed to reach equilibrium. 2NO2(g)N2O4(g) At equilibrium, the final concentration of dinitrogen tetroxide is 0.048mol/L. Calculate the final concentration of nitrogen dioxide at equilibrium. (3 marks) 6. Hydrogen iodide gas decomposes to its elements. (a) What is the balanced chemical equation, including physical states, for this reaction? (1 mark) (b) A scientist places 0.300mol of HI(g) into a sealed 4.00L container at 440C. At equilibrium, she detects 0.033mol of I2. Calculate the final concentrations of HI(g),H2(g), and I2(g) at equilibrium. (4 marks)