CHEM 2011 Study Guide - Midterm Guide: Diethyl Ether, Vapor Pressure, Endothermic Process

139 views4 pages

Document Summary

You have 50 minutes to complete this test. Other electronics, such as cell phones and ipods, are not. Make sure they are turned off and put away. 1. 000 atm = 1. 013 bar = 1. 013 105 pa gas constant = 8. 314 j k!1 mol!1. 1. 000 liter = 1000 cm3 = 1. 000 10!3 m3. 0. 00 c = 273. 15 k: )h rxn = 29. 29 kj mol!1 for the reaction. At 298 k, the equilibrium constant for this reaction is 2. 03 bar. Calculate the equilibrium constant for this reaction at 345 k. This will give k2 > k1, as expected for an endothermic reaction. K2 = 2. 03 e1. 611 = 10. 2 bar (units are not required) November 28, 2012: at 25. 00 c, the standard gibbs free energy change is 39. 30 kj mol!1 for the reaction. 2h2o(l) + 2n2(g) + 5o2(g) w 4hno3(aq) using ideal gas standard states for the gases, the pure liquid standard state for h2o(l), and a dilute solution standard state for hno3(aq).