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H(g) + 92 conta 7. Consider the equilibrium: N:(g) + O2(g) + energy > N:O(g) For...
2SO2 (g) + O2 (g) <---> 2SO3 (g) The reaction is exothermic. How does the equilibrium shift at: a) increase of [O2]? b) decrease of [SO3]? c) increase in pressure? d) increase in the volume of the container? e) increase in temperature? f) addition of catalyst?
Consider the following reaction at equilibrium: 2CO2(g) = 200 (g) + O2(g) AH° = -514 kJ Le Châtelier's principle predicts that a decrease in temperature will decrease the value of the equilibrium constant O increase the value of the equilibrium constant decrease the partial pressure of CO increase the partial pressure of CO2 (g) decrease the partial pressure of O2 (g) Consider the following reaction at equilibrium: 2NH3 (g) = N2 (g) + 3H2(g) AH° = +92.4 kJ Le Châtelier's...
1. The following gas phase equilibrium is established in a 2.0 L container: 2 C120 (g) 2 Cl2 (g) + O2(g) AH = - 161 kJ/mole State the direction the equilibrium will shift when the following changes (stresses) are made. Shift (right, left, or no shift) a) Increase [Cl20] b) Increase partial pressure of 02 c) Decrease the concentration of Cl2 d) Decrease the volume of the container to 1.0L e) Increase the temperature (no change in P) f) Add...
Consider the following equilibrium reaction: 4NH3(g) + 5O2(g) <---> 4NO(g) + 6H2O(g) Heat = -904.4 kJ How does each of the following changes affect the yield of NO at equilibrium? Answer increase, decrease, or no change. a. increase [NH3] b. Increase [H2O] c. Decrease [O2] d. Decrease the volume of the container in which the raction occurs. e. Add a catalyst f. Increase temperature
Consider the following equilibrium reaction : Heat + 2 SO2 (g) + O2(g) ↔ 2 SO3(g) Assume the above reaction is allowed to reach equilibrium prior to the following changes. Answer the following questions by writing increase, decrease or remain the same on the line. **please also explain why** If the reaction mixture is heated up , the value of the equilibrium constant will _______________________ If SO2 (g) is added to the reaction vessel the concentration of O2(g) will____________________________. If SO3 (g) is...
chemical prin G. Consider the equilibrium: N(g) + 3 H (9) = 2 NH(g) AH negative Indicate how the following perturbations affect the equilibrium position and the equilibrium constant. For the equilibrium position: Use R, L, and 0 for shift right, shift left, and no change. For the equilibrium constant: Use +, -, and 0 for increase, decrease, and no change. Perturbation Equil. Position Equil. Constant (a) Partial pressure of H. decreases. (b) Volume of the container doubles. (e) Argon...
6. What changes in the equilibrium composition of the reaction: N2(g) + O2 (0) 2 2NO (0) will occur at constant temperature if : (a) the pressure (or concentration) of Nz () is increased? (b) the pressure (or concentration) of NO (g) is increased? (c) the total pressure of the system is increased? (d) the total volume of the system is increased? (e) add a catalyst? (f) decrease the concentration of O2(g)?
1) The reaction below is exothermic 2SO2 (g) + O2(g) ⇌ 2SO3(g) + heat Le Châtelier's Principle predicts that _______ will result in an increase in the number of moles of SO3 (g) in the reaction container. Which direction will the reaction shift: ? left or right A) increasing the volume of the container B) increasing the amount of SO2 C) removing some oxygen D) increasing the temperature E) decreasing the pressure 2) Consider the following reaction at equilibrium: 2SO2 (g) + O2 (g) ⇌ 2SO3 (g) + heat ΔH...
Consider the following equilibrium for which H = 664.38: N2(g) + 2 H2O(g) 2 NO(g) + 2 H2(g) How will each of the following changes affect an equilibrium mixture of the 4 gases in this reaction? (a) NO(g) is added to the system. (b) The reaction mixture is heated. (c) The volume of the reaction vessel is reduced by 50%. (d) A catalyst is added to the reaction mixture. (e) The total pressure of the system is increased by adding...
5. Consider the reaction: N: (g) + 3 H2(g) = 2 NH, (g) + heat Determine the effects of the following stresses on the equilibrium. State whether the equilibrium will shift to the left, to the right or not at all. a. Increase [N:] b. Decrease [NH] c. Decrease [H:] d. Increase temperature e. Decrease total pressure f. Decrease volume g. Add helium in a container with fixed volume h. Add helium in a container with variable volume