Constant Expression for Reaction - General Chemistry - Solved Quiz, Exercises of Chemistry

Download Constant Expression for Reaction - General Chemistry - Solved Quiz and more Exercises Chemistry in PDF only on Docsity! 1. Write the concentration equilibrium constant expression for each reaction. a. 2 PbS(s) + 3 O2(g) ↔ 2 PbO(s) + 2 SO2(g) b. CS2(s) + 4 H2(g) ↔ CH4(g) + 2 H2S(g) 2. Assuming that Kp = 8.95×104 at 100 K for the reaction in question 1b, what is the value of Kc? 3. a. How will the reaction system in question 1a respond if the concentration of O2 is doubled? b. How will the reaction system in question 1b respond if some amount of CH4 is removed form the system while it is at equilibrium? 4. The reaction below has Kp = 2.40×10-4 at -40 °C. What is the partial pressure of NO2 at equilibrium if the equilibrium partial pressure of N2O4 is 2.95 atm? N2O4(g) ↔ 2 NO2(g) 5. Consider the following equilibrium: 2 HI(g) ↔ H2(g) + I2(g) If the initial concentration of HI is 0.500 M, but its equilibrium concentration is only 0.136 M, what is the value of Kc for the reaction? Docsity.com